D. Ralph

发表

A new proof of Robinson's homeomorphism theorem for pl-normal maps

D. Ralph, 1993 .

Spin transfer torques

D. Ralph, M. Stiles, 2007, 0711.4608.

Time-Domain Measurements of Nanomagnet Dynamics Driven by Spin-Transfer Torques

D. Ralph, R. Buhrman, I. Krivorotov, 2005, Science.

Coulomb blockade and the Kondo effect in single-atom transistors

Jonas I. Goldsmith, J. Sethna, D. Ralph, 2002, Nature.

Current-induced switching of perpendicularly magnetized magnetic layers using spin torque from the spin Hall effect.

D. Ralph, R. Buhrman, Luqiao Liu, 2012, Physical review letters.

Spin-Torque Switching with the Giant Spin Hall Effect of Tantalum

D. Ralph, R. Buhrman, Luqiao Liu, 2012, Science.

Adjustable spin torque in magnetic tunnel junctions with two fixed layers

D. Ralph, R. Buhrman, I. Krivorotov, 2005, cond-mat/0503376.

Photocurrent measurements of supercollision cooling in graphene

D. Ralph, P. McEuen, Jiwoong Park, 2012, Nature Physics.

Microwave oscillations of a nanomagnet driven by a spin-polarized current

D. Ralph, R. Schoelkopf, R. Buhrman, 2003, Nature.

Spin-torque ferromagnetic resonance induced by the spin Hall effect.

D. Ralph, R. Buhrman, Luqiao Liu, 2010, Physical review letters.

Reduction of the spin-torque critical current by partially canceling the free layer demagnetization field

D. Ralph, R. Buhrman, Luqiao Liu, 2009 .

Spin transfer torque devices utilizing the giant spin Hall effect of tungsten

D. Ralph, R. Buhrman, Luqiao Liu, 2012, 1208.1711.

Magnetic oscillations driven by the spin Hall effect in 3-terminal magnetic tunnel junction devices.

D. Ralph, R. Buhrman, Luqiao Liu, 2012, Physical review letters.

Fast Low-Current Spin-Orbit-Torque Switching of Magnetic Tunnel Junctions through Atomic Modifications of the Free-Layer Interfaces

D. Ralph, R. Buhrman, Shengjie Shi, 2017, 1710.06391.

Central role of domain wall depinning for perpendicular magnetization switching driven by spin torque from the spin Hall effect

D. Ralph, R. Buhrman, Jiwoong Park, 2013, 1312.7301.

Interface-Induced Phenomena in Magnetism.

D. Ralph, F. Hellman, P. Fischer, 2016, Reviews of modern physics.

Imaging uncompensated moments and exchange-biased emergent ferromagnetism in FeRh thin films

D. Ralph, R. Ramesh, D. Schlom, 2019, Physical Review Materials.

Imaging Magnetization Structure and Dynamics in Ultrathin Y 3 Fe 5 O 12 /Pt Bilayers with High Sensitivity Using the Time-Resolved Longitudinal Spin Seebeck Effect

D. Ralph, G. Fuchs, S. Aradhya, 2016, 1612.07610.

Dependence of the efficiency of spin Hall torque on the transparency of Pt/ferromagnetic layer interfaces

D. Ralph, R. Buhrman, C. Pai, 2014, 1411.3379.

Creation of localized skyrmion bubbles in Co/Pt bilayers using a spin-valve nanopillar

Alison E. Rugar, D. Ralph, J. Grab, 2017, 1712.07201.

Interfacial and bulk spin Hall contributions to fieldlike spin-orbit torque generated by iridium

D. Ralph, R. Buhrman, A. Tulapurkar, 2021, 2105.02787.

Spin-transfer torque generated by a topological insulator

J. S. Lee, D. Ralph, A. Manchon, 2014, Nature.

Measurement of the spin-transfer-torque vector in magnetic tunnel junctions

D. Ralph, R. Buhrman, Jonathan Z. Sun, 2007, 0705.4207.

Tunnelling spectra of individual magnetic endofullerene molecules.

Carsten Timm, Burak Ulgut, Wolfgang Harneit, 2008, Nature materials.

Mechanisms limiting the coherence time of spontaneous magnetic oscillations driven by dc spin-polarized currents

I. N. Krivorotov, D. Ralph, R. Buhrman, 2005 .

Reorientable Spin Direction for Spin Current Produced by the Anomalous Hall Effect

Robert A. Buhrman, Daniel C. Ralph, D. Ralph, 2017, Physical Review Applied.

Sensitivity of spin-torque diodes for frequency-tunable resonant microwave detection

C. Wang, D. Ralph, R. Buhrman, 2009 .

High Dynamic Range Pixel Array Detector for Scanning Transmission Electron Microscopy

Daniel C. Ralph, Robert Hovden, David A. Muller, 2016, Microscopy and Microanalysis.

Resonant Measurement of Nonreorientable Spin-Orbit Torque from a Ferromagnetic Source Layer Accounting for Dynamic Spin Pumping

D. Ralph, J. Mittelstaedt, 2021, Physical Review Applied.

Control of spin-orbit torques through crystal symmetry in WTe2/ferromagnet bilayers

J. Park, D. Ralph, R. Buhrman, 2017 .

Nanometer-scale scanning sensors fabricated using stencil lithography

D. Ralph, F. Kuemmeth, A. Champagne, 2003 .

A Three-Terminal Approach to Developing Spin-Torque Written Magnetic Random Access Memory Cells

E. Delenia, D. Ralph, P. Rice, 2009, IEEE Transactions on Nanotechnology.

Role of spin-dependent interface scattering in generating current-induced torques in magnetic multilayers

Xavier Waintal, D. Ralph, P. Brouwer, 2000 .

A new interpretation of electrochemical impedance spectroscopy to measure accurate doping levels for conducting polymers: Separating Faradaic and capacitive currents

D. Ralph, H. Abruña, B. Ulgut, 2009 .

Large-amplitude coherent spin waves excited by spin-polarized current in nanoscale spin valves

I. N. Krivorotov, D. Ralph, R. Buhrman, 2007 .

Materials Relevant to Realizing a Field-Effect Transistor Based on Spin–Orbit Torques

D. Ralph, Zexuan Zhang, D. Jena, 2019, IEEE Journal on Exploratory Solid-State Computational Devices and Circuits.

Using neutral metastable argon atoms and contamination lithography to form nanostructures in silicon, silicon dioxide, and gold

Charles T. Black, George M. Whitesides, R. Younkin, 1997, Photonics West.

Nanofabrication using a stencil mask

Daniel C. Ralph, John Silcox, D. Ralph, 1999 .

Lewis-Acid-Catalyzed Interfacial Polymerization of Covalent Organic Framework Films

William R. Dichtel, D. Ralph, W. Dichtel, 2018 .

Spin-Orbit-Torque Field-Effect Transistor (SOTFET): A New Magnetoelectric Memory

D. Ralph, Zexuan Zhang, D. Jena, 2019, 1909.08133.

Effective Spin-Mixing Conductance of Heavy-Metal-Ferromagnet Interfaces.

D. Ralph, R. Buhrman, Lijun Zhu, 2019, Physical review letters.

Comment on "Spin-Orbit Logic with Magnetoelectric Nodes: A Scalable Charge Mediated Nonvolatile Spintronic Logic" (arXiv:1512.05428)

D. Ralph, D. C. Ralph, 2016, 1607.06690.

Magnetic vortex oscillator driven by d.c. spin-polarized current

I. N. Krivorotov, D. Ralph, R. Buhrman, 2007, cond-mat/0702253.

Novel Spin–Orbit Torque Generation at Room Temperature in an All‐Oxide Epitaxial La0.7Sr0.3MnO3/SrIrO3 System

D. Ralph, S. Sayed, P. Ercius, 2021, Advanced materials.

Long-timescale fluctuations in zero-field magnetic vortex oscillations driven by dc spin-polarized current

D. Ralph, R. Buhrman, G. Finocchio, 2009 .

Dephasing in Metals by Two-Level Systems in the 2-Channel Kondo Regime

D. Ralph, J. Delft, A. Zawadowski, 1999, cond-mat/9902176.

Effects of Anisotropic Strain on Spin-Orbit Torque Produced by the Dirac Nodal Line Semimetal IrO2.

D. Muller, D. Ralph, R. Buhrman, 2020, ACS applied materials & interfaces.

Spin Torque Study of the Spin Hall Conductivity and Spin Diffusion Length in Platinum Thin Films with Varying Resistivity.

D. Ralph, R. Buhrman, M. Nguyen, 2015, Physical review letters.

Traveling surface spin-wave resonance spectroscopy using surface acoustic waves

D. Ralph, R. Buhrman, T. Moriyama, 2015, 1506.03056.

Spin-Orbit-Torque Field-Effect Transistor (SOTFET): A New Magnetoelectric Memory

D. Ralph, Zexuan Zhang, D. Jena, 2019, 1909.08133.

Unveiling the Mechanism of Bulk Spin‐Orbit Torques within Chemically Disordered FexPt1‐x Single Layers

D. Ralph, R. Buhrman, Lijun Zhu, 2021, Advanced Functional Materials.

Lack of Simple Correlation between Switching Current Density and Spin-Orbit-Torque Efficiency of Perpendicularly Magnetized Spin-Current-Generator–Ferromagnet Heterostructures

D. Ralph, R. Buhrman, Lijun Zhu, 2021, Physical Review Applied.

Preface and introduction

D. Ralph, C. V. Haesendonck, N. Birge, 2001 .

Transverse and Longitudinal Spin-Torque Ferromagnetic Resonance for Improved Measurement of Spin-Orbit Torque

D. Ralph, R. Buhrman, J. Mittelstaedt, 2020, 2007.02850.

Large-amplitude coherent spin waves excited by spin-polarized current in nanoscale spin valves

D. Ralph, R. Buhrman, I. Krivorotov, 2007, cond-mat/0703458.

Reactivity of monolayer chemical vapor deposited graphene imperfections studied using scanning electrochemical microscopy.

D. Ralph, H. Abruña, J. Rodríguez‐López, 2012, ACS nano.

Spin transfer torque devices utilizing the giant spin Hall effect of tungsten

D. Ralph, R. Buhrman, Luqiao Liu, 2012, 1208.1711.

Self-assembly and properties of domain walls in BiFeO3 layers grown via molecular-beam epitaxy

D. Ralph, D. Jena, H. Xing, 2019, APL Materials.

Enhancement in spin-torque efficiency by nonuniform spin current generated within a tapered nanopillar spin valve

D. Ralph, R. Buhrman, O. Lee, 2007, 0711.2479.

Electronically Coupled 2D Polymer/MoS2 Heterostructures.

William R. Dichtel, D. Ralph, J. Brédas, 2020, Journal of the American Chemical Society.

Nanostructure fabrication in silicon using cesium to pattern a self-assembled monolayer

G. Whitesides, D. Ralph, M. Prentiss, 1997 .

Demonstration of a nanolithographic technique using a self‐assembled monolayer resist for neutral atomic cesium

G. Whitesides, D. Ralph, M. Prentiss, 1997 .

High Dynamic Range Pixel Array Detector for Scanning Transmission Electron Microscopy

D. Muller, D. Ralph, M. Tate, 2015, Microscopy and Microanalysis.

Spin-Torque Switching with the Giant Spin Hall Effect of Tantalum

D. Ralph, R. Buhrman, Luqiao Liu, 2012, Science.

Manipulation of the van der Waals Magnet Cr2Ge2Te6 by Spin-Orbit Torques.

D. Ralph, J. Shan, R. Buhrman, 2020, Nano letters.

Control of spin–orbit torques through crystal symmetry in WTe2/ferromagnet bilayers

D. Ralph, R. Buhrman, D. MacNeill, 2016, Nature Physics.

Temperature dependence of spin-transfer-induced switching of nanomagnets.

D. Ralph, R. Buhrman, I. Krivorotov, 2004, Physical review letters.

A puzzling insensitivity of magnon spin diffusion to the presence of 180-degree domain walls

D. Ralph, Peng Li, Jiamian Hu, 2022, Nature communications.

Anisotropic Magnon Spin Transport in Ultrathin Spinel Ferrite Thin Films─Evidence for Anisotropy in Exchange Stiffness.

D. Ralph, Peng Li, T. Nan, 2021, Nano letters.

Using neutral metastable argon atoms and contamination lithography to form nanostructures in silicon, silicon dioxide, and gold

G. Whitesides, D. Ralph, M. Prentiss, 1996, Photonics West.

Giant bulk spin–orbit torque and efficient electrical switching in single ferrimagnetic FeTb layers with strong perpendicular magnetic anisotropy

D. Ralph, Xiyue S. Zhang, Lijun Zhu, 2022, Applied Physics Reviews.

Spin-torque ferromagnetic resonance induced by the spin Hall effect.

D. Ralph, R. Buhrman, Luqiao Liu, 2010, Physical review letters.

Mechanically adjustable and electrically gated single-molecule transistors.

D. Ralph, A. Pasupathy, A. Champagne, 2004, Nano letters.

Signatures of molecular magnetism in single-molecule transport spectroscopy.

D. Ralph, Hongkun Park, J. Long, 2006, Nano letters.

Anisotropic Gigahertz Antiferromagnetic Resonances of the Easy-Axis van der Waals Antiferromagnet CrSBr.

D. Ralph, Xavier Roy, Avalon H. Dismukes, 2022, Nano letters.

Magnetic vortex oscillator driven by d.c. spin-polarized current

D. Ralph, R. Buhrman, I. Krivorotov, 2007, cond-mat/0702253.

Comment on "Spin-Orbit Logic with Magnetoelectric Nodes: A Scalable Charge Mediated Nonvolatile Spintronic Logic" (arXiv:1512.05428)

D. Ralph, 2016, 1607.06690.

Thickness-dependent magnetoelasticity and its effects on perpendicular magnetic anisotropy in Ta/CoFeB/MgO thin films

D. Ralph, R. Buhrman, G. Stiehl, 2015, 1509.04134.

Gate-Voltage Studies of Discrete Electronic States in Aluminum Nanoparticles

D. Ralph, M. Tinkham, C. T. Black, 1997, cond-mat/9701081.

Calculation of quantum tunneling for a spatially extended defect: the dislocation kink in copper has a low effective mass.

J. Sethna, D. Ralph, K. Jacobsen, 2000, Physical review letters.

Current-Induced Torques with Dresselhaus Symmetry Due to Resistance Anisotropy in 2D Materials.

D. Ralph, L. Kourkoutis, C. Fennie, 2019, ACS nano.

Valley degeneracy breaking by magnetic field in monolayer MoSe 2

D. Ralph, D. MacNeill, Jiwoong Park, 2014 .

TUNNELING VIA INDIVIDUAL ELECTRONIC STATES IN FERROMAGNETIC NANOPARTICLES

D. Ralph, M. Deshmukh, S. Guéron, 1999, cond-mat/9904248.

Atomically Thin Ohmic Edge Contacts Between Two-Dimensional Materials.

D. Muller, D. Ralph, Jiwoong Park, 2016, ACS nano.

Atomic-resolution Cryo-STEM Imaging of a Structural Phase Transition in TaTe2

D. Ralph, L. Kourkoutis, G. Stiehl, 2018, Microscopy and Microanalysis.

Thermally generated spin current in the topological insulator Bi2Se3

D. Ralph, N. Samarth, Xiyue S. Zhang, 2022, Science advances.

Studies of spin-orbit scattering in noble-metal nanoparticles using energy-level tunneling spectroscopy.

D. Ralph, J. Petta, 2001, Physical review letters.

Spin-transfer torque generated by a topological insulator

J. S. Lee, D. Ralph, A. Manchon, 2014, Nature.

Network analyzer measurements of spin transfer torques in magnetic tunnel junctions

D. Ralph, R. Buhrman, J. Katine, 2012, 1204.0038.

Time-resolved measurement of spin-transfer-driven ferromagnetic resonance and spin torque in magnetic tunnel junctions

D. Ralph, R. Buhrman, J. Katine, 2010, 1010.1777.

Sensitivity of spin-torque diodes for frequency-tunable resonant microwave detection

D. Ralph, R. Buhrman, J. Katine, 2009, 0905.1912.

Magnetoresistance and spin-transfer torque in magnetic tunnel junctions

D. Ralph, Jonathan Z. Sun, J. Sun, 2008, 0803.2254.

Spin-Orbit Torques in NbSe2/Permalloy Bilayers.

D. Ralph, D. MacNeill, G. Stiehl, 2018, Nano letters.

Spin-torque ferromagnetic resonance measurements of damping in nanomagnets

D. Ralph, R. Buhrman, J. Sankey, 2007, cond-mat/0703577.

Microwave oscillations of a nanomagnet driven by a spin-polarized current

D. Ralph, R. Schoelkopf, R. Buhrman, 2003, Nature.

Tuning the Kondo effect with a mechanically controllable break junction.

D. Ralph, H. Abruña, G. Hutchison, 2006, Physical review letters.

Mechanically adjustable and electrically gated single-molecule transistors.

D. Ralph, A. Pasupathy, A. Champagne, 2004, Nano letters.

Lorentz electron ptychography for imaging magnetic textures beyond the diffraction limit

D. Ralph, G. Fuchs, E. Turgut, 2022, Nature Nanotechnology.

Gate-Tunable Anomalous Hall Effect in a 3D Topological Insulator/2D Magnet van der Waals Heterostructure.

Taylor D. Sparks, D. Ralph, Vishakha Gupta, 2022, Nano letters.

Mechanisms limiting the coherence time of spontaneous magnetic oscillations driven by dc spin-polarized currents

D. Ralph, R. Buhrman, I. Krivorotov, 2005, cond-mat/0505733.

Quasilinear spin-torque nano-oscillator via enhanced negative feedback of power fluctuations

D. Ralph, R. Buhrman, O. Lee, 2013, 1306.4668.

Control of propagating spin waves via spin transfer torque in a metallic bilayer waveguide

D. Ralph, R. Buhrman, C. Pai, 2013, 1308.6357.

Gate voltage modulation of spin-Hall-torque-driven magnetic switching

D. Ralph, R. Buhrman, Luqiao Liu, 2012, 1209.0962.

Single-shot time-domain studies of spin-torque-driven switching in magnetic tunnel junctions.

D. Ralph, R. Buhrman, J. Katine, 2009, Physical review letters.

Resonant spin-transfer-driven switching of magnetic devices assisted by microwave current pulses

D. Ralph, R. Buhrman, J. Sankey, 2008, 0803.2880.

Enhancement in spin-torque efficiency by nonuniform spin current generated within a tapered nanopillar spin valve

D. Ralph, R. Buhrman, O. Lee, 2007, 0711.2479.

Time-resolved spin-torque switching and enhanced damping in permalloy/Cu/permalloy spin-valve nanopillars.

D. Ralph, R. Buhrman, I. Krivorotov, 2005, Physical review letters.

Spin-transfer excitations of permalloy nanopillars for large applied currents

D. Ralph, R. Buhrman, I. Krivorotov, 2005, cond-mat/0504402.

Reduction of spin transfer by synthetic antiferromagnets

D. Ralph, R. Buhrman, J. Daughton, 2004, cond-mat/0401483.

Thermally activated magnetic reversal induced by a spin-polarized current.

D. Ralph, R. Buhrman, J. Sankey, 2002, Physical review letters.

Strong linewidth variation for spin-torque nano-oscillators as a function of in-plane magnetic field angle

D. Ralph, R. Buhrman, I. Krivorotov, 2008, 0803.2871.

Current-induced nanomagnet dynamics for magnetic fields perpendicular to the sample plane.

D. Ralph, R. Buhrman, I. Krivorotov, 2004, Physical review letters.

Nanosecond-Timescale Low Energy Switching of In-Plane Magnetic Tunnel Junctions through Dynamic Oersted-Field-Assisted Spin Hall Effect.

D. Ralph, R. Buhrman, S. Aradhya, 2016, Nano letters.

Ultrafast switching of a nanomagnet by a combined out-of-plane and in-plane polarized spin current pulse

D. Ralph, R. Buhrman, O. Lee, 2009, 0906.2585.

Adjustable spin torque in magnetic tunnel junctions with two fixed layers

D. Ralph, R. Buhrman, I. Krivorotov, 2005, cond-mat/0503376.

Berry curvature, semiclassical electron dynamics, and topological materials: Lecture notes for Introduction to Solid State Physics

D. Ralph, 2020, 2001.04797.

Traveling surface spin-wave resonance spectroscopy using surface acoustic waves

D. Ralph, R. Buhrman, T. Moriyama, 2015, 1506.03056.

Mechanical Control of Spin States in Spin-1 Molecules and the Underscreened Kondo Effect

D. Ralph, G. Chan, H. Abruña, 2010, Science.

Direct Visualization of Trimerized States in 1T^{'}-TaTe_{2}.

D. Ralph, L. Kourkoutis, C. Fennie, 2020, Physical review letters.

Single-molecule conductance of pyridine-terminated dithienylethene switch molecules.

D. Ralph, G. Chan, H. Abruña, 2011, ACS nano.

Probing and controlling magnetic states in 2D layered magnetic materials

D. Ralph, J. Shan, K. Mak, 2019, Nature Reviews Physics.

Measurements of strongly anisotropic g factors for spins in single quantum states.

D. Ralph, J. Petta, 2002, Physical review letters.

Variation of the giant intrinsic spin Hall conductivity of Pt with carrier lifetime

D. Ralph, R. Buhrman, M. Sui, 2019, Science Advances.

The Kondo Effect in the Presence of Ferromagnetism

D. Ralph, P. McEuen, R. Bialczak, 2004, Science.

Deterministic switching of ferromagnetism at room temperature using an electric field

R. Ramesh, S. Salahuddin, D. G. Schlom, 2014, Nature.

Spin-dependent transport in molecular tunnel junctions.

D. Ralph, J. Petta, S. Slater, 2004, Physical review letters.

Spin Torque Study of the Spin Hall Conductivity and Spin Diffusion Length in Platinum Thin Films with Varying Resistivity.

D. Ralph, R. Buhrman, M. Nguyen, 2015, Physical review letters.

Origin of transverse voltages generated by thermal gradients and electric fields in ferrimagnetic-insulator/heavy-metal bilayers

D. Ralph, C. Ross, R. Buhrman, 2021, Physical Review B.

Using single quantum states as spin filters to study spin polarization in ferromagnets.

D. Ralph, M. Deshmukh, 2002, Physical review letters.

Role of spin-dependent interface scattering in generating current-induced torques in magnetic multilayers

D. Ralph, P. Brouwer, X. Waintal, 2000, cond-mat/0005251.

Vibration-assisted electron tunneling in C140 transistors.

J. Sethna, D. Ralph, P. McEuen, 2005, Nano letters.

Plasmon resonance in individual nanogap electrodes studied using graphene nanoconstrictions as photodetectors.

Xiaodong Xu, D. Ralph, P. McEuen, 2011, Nano letters.

Low-damping sub-10-nm thin films of lutetium iron garnet grown by molecular-beam epitaxy

D. Ralph, R. Buhrman, D. Schlom, 2016, 1609.04753.

Transistor behavior via Au clusters etched from electrodes in an acidic gating solution: Metal nanoparticles mimicking conducting polymers

D. Ralph, H. Abruña, A. Pasupathy, 2004, cond-mat/0410371.

Thickness dependence of spin-orbit torques generated by WTe2

D. Ralph, R. Buhrman, D. MacNeill, 2017, 1707.03757.

Spin Seebeck Imaging of Spin-Torque Switching in Antiferromagnetic Pt/NiO Heterostructures

D. Ralph, D. Schlom, R. Need, 2018, Physical Review X.

Origin of fieldlike spin-orbit torques in heavy metal/ferromagnet/oxide thin film heterostructures

D. Ralph, R. Buhrman, C. Pai, 2016, 1608.04443.

All-optical vector measurement of spin-orbit-induced torques using both polar and quadratic magneto-optic Kerr effects

D. Ralph, V. Lorenz, J. Xiao, 2015, 1509.01266.

Scanning SQUID susceptometers with sub-micron spatial resolution.

D. Ralph, M. Huber, M. Ketchen, 2016, The Review of scientific instruments.

Sagnac interferometry for high-sensitivity optical measurements of spin-orbit torque

D. Ralph, Y. Luo, Thow Min Cham, 2021, Science advances.

Vector-Resolved Magnetooptic Kerr Effect Measurements of Spin–Orbit Torque

D. Ralph, V. Lorenz, J. Xiao, 2019, IEEE Transactions on Magnetics.

Spectroscopy of discrete energy levels in ultrasmall metallic grains

D. Ralph, J. Delft, Daniel C. Ralph, 2001, cond-mat/0101019.

Strong Damping‐Like Spin‐Orbit Torque and Tunable Dzyaloshinskii–Moriya Interaction Generated by Low‐Resistivity Pd1−xPtx Alloys

D. Ralph, R. Buhrman, Xin Ma, 2019, Advanced Functional Materials.

Spin-Orbit Torques in Heavy-Metal-Ferromagnet Bilayers with Varying Strengths of Interfacial Spin-Orbit Coupling.

D. Ralph, R. Buhrman, Lijun Zhu, 2019, Physical review letters.

A Drift-Diffusion Based Modeling and Optimization Framework for Nanoscale Spin-Orbit Torque Devices

D. Ralph, A. Naeemi, Y. Liao, 2023, IEEE Transactions on Electron Devices.

Strong variation of spin-orbit torques with relative spin relaxation rates in ferrimagnets

D. Ralph, Lijun Zhu, 2022, Nature Communications.

Separation of Artifacts from Spin‐Torque Ferromagnetic Resonance Measurements of Spin‐Orbit Torque for the Low‐Symmetry Van der Waals Semi‐Metal ZrTe3

D. Ralph, Vishakha Gupta, J. Mittelstaedt, 2021, Advanced Quantum Technologies.

Origin of Strong Two-Magnon Scattering in Heavy-Metal/Ferromagnet/Oxide Heterostructures

D. Ralph, R. Buhrman, Lijun Zhu, 2020, Physical Review Applied.

Energy‐Efficient Ultrafast SOT‐MRAMs Based on Low‐Resistivity Spin Hall Metal Au0.25Pt0.75

D. Ralph, R. Buhrman, Shengjie Shi, 2019, Advanced Electronic Materials.

Intrinsic nature of the giant spin Hall conductivity in Pt

D. Ralph, R. Buhrman, Lijun Zhu, 2018 .

Enhancing Spin-Orbit Torque by Strong Interfacial Scattering From Ultrathin Insertion Layers

D. Ralph, R. Buhrman, Shengjie Shi, 2019, Physical Review Applied.

Enhancement of spin transparency by interfacial alloying

D. Ralph, R. Buhrman, Lijun Zhu, 2019, Physical Review B.

Irrelevance of magnetic proximity effect to spin-orbit torques in heavy-metal/ferromagnet bilayers

D. Ralph, R. Buhrman, L. Zhu, 2018, Physical Review B.

Highly Efficient Spin-Current Generation by the Spin Hall Effect in Au1−xPtx

Robert A. Buhrman, Lijun Zhu, D. Ralph, 2018, Physical Review Applied.

Nanosecond magnetization dynamics during spin Hall switching of in-plane magnetic tunnel junctions

Robert A. Buhrman, Daniel C. Ralph, Sriharsha V. Aradhya, 2016, 1612.06463.

Enhanced spin Hall torque efficiency in Pt100−xAlx and Pt100−xHfx alloys arising from the intrinsic spin Hall effect

Robert A. Buhrman, Daniel C. Ralph, Minh-Hai Nguyen, 2016 .

Transient absorption and photocurrent microscopy show that hot electron supercollisions describe the rate-limiting relaxation step in graphene.

D. Ralph, P. McEuen, Jiwoong Park, 2013, Nano letters.

MoS2 pixel arrays for real-time photoluminescence imaging of redox molecules

D. Ralph, P. McEuen, H. Gao, 2019, Science Advances.

Electrochemistry of individual monolayer graphene sheets.

Michael A. Lowe, D. Ralph, H. Abruña, 2011, ACS nano.

ANGULAR DISTRIBUTION OF THE D(d,n)He$sup 3$ REACTION BELOW 1 Mev

D. Ralph, W. Dance, J. C. Fuller, 1957 .

Interacting electrons in metal nanostructures

D. Ralph, 2005 .

The 2-Channel Kondo Model: I. Review of Experimental Evidence for Its Realization in Metal Nanoconstrictions

D. Ralph, J. Delft, R. Buhrman, 1997, cond-mat/9702048.

Metal-nanoparticle single-electron transistors fabricated using electromigration

D. Ralph, K. Bolotin, A. Pasupathy, 2003, cond-mat/0310594.

Measurements of strongly anisotropic g factors for spins in single quantum states.

D. Ralph, J. Petta, 2002, Physical review letters.

Effects of spin-orbit interactions on tunneling via discrete energy levels in metal nanoparticles

D. Ralph, M. Tinkham, S. Gu'eron, 1999, cond-mat/9904158.

Chaos, Interactions, and Nonequilibrium Effects in the Tunneling Resonance Spectra of Ultrasmall Metallic Particles

D. Ralph, N. Wingreen, M. Tinkham, 1996, cond-mat/9611115.

Discrete energy levels and superconductivity in nanometer-scale Al particles

D. Ralph, M. Tinkham, J. Hergenrother, 1996 .

Role of Dirac nodal lines and strain on the high spin Hall conductivity of epitaxial IrO2 thin films

D. Muller, D. Ralph, R. Buhrman, 2020, 2006.04365.

Anisotropic spin-orbit torque generation in epitaxial SrIrO3 by symmetry design

N. Campbell, D. Ralph, E. Tsymbal, 2018, Proceedings of the National Academy of Sciences.

Strong spin Hall effect in the antiferromagnet PtMn

D. Ralph, R. Buhrman, Shengjie Shi, 2016, 1603.08068.

Observation of Strong Bulk Damping‐Like Spin‐Orbit Torque in Chemically Disordered Ferromagnetic Single Layers

D. Muller, D. Ralph, R. Buhrman, 2020, Advanced Functional Materials.

Fast, reliable spin-orbit-torque switching in three terminal magnetic tunnel junctions with Hf dusting layer

R. A. Buhrman, Shengjie Shi, Yongxi Ou, 2018, NanoScience + Engineering.

Efficient switching of 3-terminal magnetic tunnel junctions by the giant spin Hall effect of Pt85Hf15 alloy

D. Ralph, R. Buhrman, G. Rowlands, 2018, 1801.00411.

Strong perpendicular magnetic anisotropy energy density at Fe alloy/HfO2 interfaces

D. Ralph, R. Buhrman, Yongxi Ou, 2017, 1701.03933.

Dephasing in Metals by Two-Level Systems in the 2-Channel Kondo Regime

D. Ralph, J. Delft, A. Zawadowski, 1999, cond-mat/9902176.

Solving rate equations for electron tunneling via discrete quantum states

D. Ralph, M. Deshmukh, E. Bonet, 2001, cond-mat/0108248.

Equilibrium and nonequilibrium electron tunneling via discrete quantum states

D. Ralph, A. Pasupathy, M. Deshmukh, 2001, cond-mat/0106024.

Spin-transfer-driven ferromagnetic resonance of individual nanomagnets.

D. Ralph, R. Buhrman, I. Krivorotov, 2006, Physical review letters.

Spin transfer by nonuniform current injection into a nanomagnet

Ilya Krivorotov, Robert A. Buhrman, Daniel C. Ralph, 2006 .

Probing and controlling magnetic states in 2D layered magnetic materials

D. Ralph, J. Shan, K. Mak, 2019, Nature Reviews Physics.

Measurement of discrete energy-level spectra in individual chemically synthesized gold nanoparticles.

D. Ralph, K. Bolotin, Sufei Shi, 2008, Nano letters.

Coupling of spin and orbital motion of electrons in carbon nanotubes

D. Ralph, P. McEuen, F. Kuemmeth, 2008, Nature.

Spin–orbit torque field-effect transistor (SOTFET): Proposal for a magnetoelectric memory

D. Ralph, Zexuan Zhang, D. Jena, 2020, Applied Physics Letters.

Structural, magnetic, and transport properties of Fe1−xRhx/MgO(001) films grown by molecular-beam epitaxy

D. Ralph, J. Schubert, D. Schlom, 2018, Applied Physics Letters.

Local Photothermal Control of Phase Transitions for On‐Demand Room‐Temperature Rewritable Magnetic Patterning

D. Ralph, J. Schubert, D. Schlom, 2019, Advanced materials.

Tunneling Through Metallic Quantum Dots

D. Ralph, M. Tinkham, C. T. Black, 2000 .

Macrospin modeling of sub-ns pulse switching of perpendicularly magnetized free layer via spin-orbit torques for cryogenic memory applications

Robert A. Buhrman, Daniel C. Ralph, Graham Rowlands, 2014 .

X-Ray Imaging of Magnetic Vortex Dynamics Driven by DC Spin-Polarized Current

D. Ralph, R. Buhrman, V. Pribiag, 2006 .

Spin-torque-induced rotational dynamics of a magnetic vortex dipole

D. Ralph, R. Buhrman, G. Finocchio, 2008, 0807.4660.

Ferroelectric properties of ion-irradiated bismuth ferrite layers grown via molecular-beam epitaxy

D. Ralph, J. Schubert, L. Martin, 2019, APL Materials.

Images of a spin-torque-driven magnetic nano-oscillator.

D. Ralph, T. Tyliszczak, J. Stöhr, 2011, Physical review letters.

Spin-Torque-Driven Vortex Dynamics in Nanopillars with In-Plane or Out-of-Plane Polarizers CNF Project # 111-80 Principal Investigator ( s ) :

D. Ralph, R. Buhrman, Junbo Park, 2010 .

Magnetization reversal driven by spin-polarized current in exchange-biased nanoscale spin valves

D. Ralph, R. Buhrman, I. Krivorotov, 2007 .

From ballistic transport to tunneling in electromigrated ferromagnetic breakjunctions.

D. Ralph, K. Bolotin, A. Pasupathy, 2005, Nano letters.

Single layer graphene as an electrochemical platform.

D. Ralph, H. Abruña, Kenneth Hernández-Burgos, 2014, Faraday discussions.

Breaking of valley degeneracy by magnetic field in monolayer MoSe2.

D. Ralph, D. MacNeill, Jiwoong Park, 2014, Physical review letters.

Wiring up single molecules

J. Sethna, D. Ralph, P. McEuen, 2003 .

Controlling spin current polarization through non-collinear antiferromagnetism

D. Ralph, E. Tsymbal, C. Eom, 2019, Nature Communications.

Tilted spin current generated by the collinear antiferromagnet ruthenium dioxide

D. Muller, D. Ralph, E. Tsymbal, 2021, Nature Electronics.

Enhancement of Perpendicular Magnetic Anisotropy and Transmission of Spin-Hall-Effect-Induced Spin Currents by a Hf Spacer Layer in W/Hf/CoFeB/MgO Layer

D. Ralph, R. Buhrman, C. Pai, 2014, 1401.4617.

Measurements of discrete electronic states in a gold nanoparticle using tunnel junctions formed from self-assembled monolayers

D. Ralph, J. Petta, D. G. Salinas, 2000 .

Nanolithography with metastable neon atoms: Enhanced rate of contamination resist formation for nanostructure fabrication

Carmen S. Menoni, Daniel C. Ralph, S. A. Lee, 1997 .

Spin-polarized current switching of a Co thin film nanomagnet

Robert A. Buhrman, Daniel C. Ralph, Jordan A. Katine, 2000 .

Layer-dependent spin-orbit torques generated by the centrosymmetric transition metal dichalcogenide β−MoTe2

Ismail El Baggari, D. Ralph, L. Kourkoutis, 2019, Physical Review B.

Review and Analysis of Measurements of the Spin Hall Effect in Platinum

D. Ralph, R. Buhrman, Luqiao Liu, 2011, 1111.3702.

Spin-Orbit-Torque Material Exploration for Maximum Array-Level Read/Write Performance

Shan X. Wang, D. Ralph, Jianping Wang, 2020, International Electron Devices Meeting.

Increased low-temperature damping in yttrium iron garnet thin films

D. Ralph, R. Buhrman, M. Page, 2016, 1612.01954.

Enhancement of the anti-damping spin torque efficacy of platinum by interface modification

D. Muller, D. Ralph, R. Buhrman, 2015, 1504.02806.

Fast deterministic switching in orthogonal spin torque devices via the control of the relative spin polarizations

Robert A. Buhrman, Daniel C. Ralph, D. Ralph, 2013 .

Sidewall oxide effects on spin-torque- and magnetic-field-induced reversal characteristics of thin-film nanomagnets.

K A Mkhoyan, D. Ralph, R. Buhrman, 2008, Nature materials.

Reducing the critical current for short-pulse spin-transfer switching of nanomagnets

Ilya Krivorotov, Jack C. Sankey, Robert A. Buhrman, 2005 .

Spin-transfer effects in nanoscale magnetic tunnel junctions

I. N. Krivorotov, D. Ralph, R. Buhrman, 2004, cond-mat/0404002.

Observation and spectroscopy of a two-electron Wigner molecule in an ultraclean carbon nanotube

D. Ralph, P. McEuen, F. Kuemmeth, 2013, Nature Physics.

Spin-transfer torque in nanoscale magnetic devices

D. Ralph, R. Buhrman, Luqiao Liu, 2011, Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences.

Magnetic tunnel junctions with single-layer-graphene tunnel barriers

D. Ralph, H. Abruña, Wan-Chao Li, 2014 .

Anisotropic magnetoresistance and anisotropic tunneling magnetoresistance due to quantum interference in ferromagnetic metal break junctions.

D. Ralph, K. Bolotin, F. Kuemmeth, 2006, Physical review letters.

The response of small SQUID pickup loops to magnetic fields

D. Ralph, M. Huber, M. Ketchen, 2016, 1607.03950.

Temperature dependence of anisotropic magnetoresistance and atomic rearrangements in ferromagnetic metal break junctions

D. Ralph, K. Bolotin, Sufei Shi, 2007 .

HSQ-Based Fabrication of Magnetic Nanopillars

D. Ralph, R. Buhrman, V. Pribiag, 2008 .

Strong Enhancement of the Spin Hall Effect by Spin Fluctuations near the Curie Point of Fe_{x}Pt_{1-x} Alloys.

Yongxi Ou, D. Ralph, R. Buhrman, 2018, Physical review letters.

Magnetic switching by spin torque from the spin Hall effect

Luqiao Liu, D. Ralph, R. Buhrman, 2011, 1110.6846.

Charge transport and photon-assisted tunneling in the NSN single-electron transistor

D. Ralph, M. Tinkham, J. Hergenrother, 1994 .

Magnetic anisotropy variations and nonequilibrium tunneling in a cobalt nanoparticle.

D. Ralph, J. Delft, A. Pasupathy, 2001, Physical review letters.

Model for ferromagnetic nanograins with discrete electronic states

D. Ralph, J. Delft, M. Deshmukh, 2001, cond-mat/0103626.

Current control of magnetic anisotropy via stress in a ferromagnetic metal waveguide

D. Ralph, R. Buhrman, C. Pai, 2016, 1601.02048.

Synthesis, Hole Doping, and Electrical Properties of a Semiconducting Azatriangulene-Based Covalent Organic Framework.

William R. Dichtel, D. Ralph, S. Barlow, 2023, Journal of the American Chemical Society.

Quantitative study of magnetization reversal by spin-polarized current in magnetic multilayer nanopillars.

D. Ralph, R. Buhrman, N. Emley, 2002, Physical review letters.

Conditions for microwave amplification due to spin-torque dynamics in magnetic tunnel junctions

D. Ralph, R. Buhrman, J. Katine, 2011 .

Uniform resonant chaotic mixing in fluid flows

I. N. Krivorotov, D. Ralph, R. Buhrman, 2022 .

Coherent and incoherent spin torque oscillations in a nanopillar magnetic spin-valve

D. Ralph, R. Buhrman, G. Finocchio, 2013 .

Imaging electromigration during the formation of break junctions.

Ferdinand Kuemmeth, D. Ralph, K. Bolotin, 2007, Nano letters.

Phase locking and frequency doubling in spin-transfer-torque oscillators with two coupled free layers

Robert A. Buhrman, Bruno Azzerboni, Mario Carpentieri, 2012 .

Quantum confinement and coherence in a two-dimensional electron gas in a carbon-face 3C-SiC/6H-SiC polytype heterostructure

D. Ralph, M. Chandrashekhar, M. Spencer, 2009 .

Emerging materials for spin–charge interconversion

D. Ralph, E. Tsymbal, A. Manchon, 2021, APL Materials.

Spectroscopic measurements of discrete electronic states in single metal particles.

Ralph, D. Ralph, M. Tinkham, 1995, Physical review letters.

Current-driven magnetization reversal and spin-wave excitations in Co /Cu /Co pillars

Ralph, D. Ralph, R. Buhrman, 1999, Physical review letters.

Intrinsic nature of the giant spin Hall conductivity of Pt.

D. Ralph, R. Buhrman, Lijun Zhu, 2019 .

Spin torque, tunnel-current spin polarization, and magnetoresistance in MgO magnetic tunnel junctions.

D. Ralph, D. Mauri, R. Buhrman, 2005, Physical review letters.

Current-induced switching of domains in magnetic multilayer devices

Ralph, Louie, D. Ralph, 1999, Science.

Bias and angular dependence of spin-transfer torque in magnetic tunnel junctions

D. Ralph, R. Buhrman, J. Katine, 2008, 0808.3810.

Spin-torque-driven ballistic precessional switching with 50 ps impulses

Robert A. Buhrman, Daniel C. Ralph, D. Ralph, 2011 .

Tuning the Curie temperature of a 2D magnet/topological insulator heterostructure to above room temperature by epitaxial growth

D. Ralph, R. Kawakami, Xiyue S. Zhang, 2023, 2308.13620.

Single layer graphene as an electrochemical platform.

D. Ralph, H. Abruña, Kenneth Hernández-Burgos, 2014, Faraday discussions.

Time-domain studies of very-large-angle magnetization dynamics excited by spin transfer torques

D. Ralph, R. Buhrman, I. Krivorotov, 2007, 0709.0560.

Global Pattern Formation and Ethnic/Cultural Violence

D. Ralph, R. Buhrman, N. Emley, 2007 .

Spin-Orbit Torques in NbSe2/Permalloy Bilayers.

D. Ralph, G. Stiehl, M. Guimarães, 2018, Nano letters.

Maximizing Spin-Orbit Torque Generated by the Spin Hall Effect of Pt

D. Ralph, R. Buhrman, Lijun Zhu, 2021, 2106.04992.

Exchange Bias between Van Der Waals Materials: Tilted Magnetic States and Field-Free Spin-Orbit-Torque Switching.

D. Ralph, Xavier Roy, Daniel G. Chica, 2023, Advanced materials.

Multiferroic Magnon Spin-Torque Based Reconfigurable Logic-In-Memory

D. Ralph, Q. Zhang, Jianshi Tang, 2023, 2309.14614.

Manipulating chiral spin transport with ferroelectric polarization.

D. Ralph, O. Heinonen, L. Martin, 2023, Nature materials.

Exceptionally High, Strongly Temperature Dependent, Spin Hall Conductivity of SrRuO3.

D. Muller, D. Ralph, R. Buhrman, 2018, Nano letters.

Manipulating magnetic devices with spin-orbit torques

D. Ralph, 2016, 2016 74th Annual Device Research Conference (DRC).

Tunnel magnetoresistance and spin torque switching in MgO-based magnetic tunnel junctions with a Co/Ni multilayer electrode

Robert A. Buhrman, Daniel C. Ralph, David A. Muller, 2010 .

Resolving Internal Magnetic Structures of Skyrmions by Lorentz Electron Ptychography

D. Muller, D. Ralph, Song Jin, 2019, Microscopy and Microanalysis.

Measurements of strongly-anisotropic, fluctuating g-factors for spins in single quantum states

D. Ralph, J. Petta, 2002 .

Studies of electron energy levels in single metal particles

D. Ralph, M. Tinkham, C. T. Black, 1996 .

Spectroscopy of the superconducting gap in individual nanometer-scale aluminum particles.

Ralph, D. Ralph, M. Tinkham, 1996, Physical review letters.