P. Gnutek

发表

Correlation of EMR and optical spectroscopy data for Cr3+ and Mn2+ ions doped into yttrium aluminum borate YAl3(BO3)4 crystal – Extracting low symmetry aspects

C. Rudowicz, M. Açikgöz, P. Gnutek, 2015 .

Comparative analysis of crystal-field parameters for rare-earth ions at monoclinic sites in AB(WO4)2 crystals: I. Tm3+ in KGd(WO4)2 and KLu(WO4)2, and Ho3+ and Er3+ ions in KGd(WO4)2

C. Rudowicz, P. Gnutek, 2010, Journal of physics. Condensed matter : an Institute of Physics journal.

Ground and excited state absorption of Ni2+ ions in MgAl2O4: Crystal field analysis

M. Brik, N. Avram, C. Avram, 2007 .

Temperature dependence of local structural changes around transition metal centers Cr 3+ and Mn 2+ in RAl 3 (BO 3 ) 4 crystals studied by EMR

C. Rudowicz, P. Gnutek, M. Acikgoz, 2017 .

Crystal-field analysis for RE3+ ions in laser materials: III. Energy levels for Nd3+ and Er3+ ions in LaAlO3, YAlO3, and LaGaO3 single crystals – Combined approach to low symmetry crystal field parameters

C. Rudowicz, M. Karbowiak, P. Gnutek, 2012 .

Energy levels and crystal field parameters for Nd3+ ions in BaY2F8, LiKYF5, and K2YF5 single crystals.

C. Rudowicz, M. Karbowiak, P. Gnutek, 2012, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Crystal-field analysis for RE3+ ions in laser materials: II. Absorption spectra and energy levels calculations for Nd3+ ions doped into SrLaGa3O7 and BaLaGa3O7 crystals and Tm3+ ions in SrGdGa3O7

W. Ryba-Romanowski, C. Rudowicz, M. Karbowiak, 2011 .

Low symmetry aspects inherent in EMR studies of the orthorhombic to monoclinic structural phase transition in the hexagonal form of barium titanate BaTiO3 doped by Fe3+ ions

C. Rudowicz, P. Budzyński, P. Gnutek, 2008 .

Modeling techniques for analysis and interpretation of electron magnetic resonance (EMR) data for transition ions at low symmetry sites in crystals—A primer for experimentalists

C. Rudowicz, C. Rudowicz, P. Gnutek, 2009 .

Forms of crystal field Hamiltonians – A critical review

C. Rudowicz, M. Karbowiak, P. Gnutek, 2011 .

Energy levels and crystal-field parameters for Pr3+ and Nd3+ ions in rare earth (RE) tellurium oxides RE2Te4O11 revisited – Ascent/descent in symmetry method applied for triclinic site symmetry

C. Rudowicz, M. Karbowiak, P. Gnutek, 2011 .

Reanalysis of energy levels and crystal field parameters for Er3+ and Tm3+ ions at C2 symmetry sites in hexahydrated trichloride crystals—Intricate aspects of multiple solutions for monoclinic symmetry

C. Rudowicz, M. Karbowiak, P. Gnutek, 2010 .

Intrinsically incompatible crystal (ligand) field parameter sets for transition ions at orthorhombic and lower symmetry sites in crystals and their implications

C. Rudowicz, P. Gnutek, C. Rudowicz, 2010 .

Low symmetry aspects in spectroscopic and magnetic susceptibility studies of Tb3+(4f8) in TbAlO3

M. Brik, C. Rudowicz, P. Gnutek, 2009 .

Comprehensive analysis of crystal field parameter datasets for transition ions at low symmetry sites and extracting structural information—Application to Pr4+ in BaPrO3

C. Rudowicz, P. Gnutek, 2008 .

Extracting structural information from low symmetry crystal field parameters: Pr4+ in BaPrO3

C. Rudowicz, P. Gnutek, 2008 .

Analysis of Crystal-Field Effects on the Energy Levels of Mn4+ Ions Doped in Different Photoluminescent Host Lattices, Exhibiting Lowering of Site Symmetry: Exchange Charge and Superposition Model Calculations, for Potential Applications

C. Rudowicz, Y. Jana, Anwesha Biswas, 2022, SSRN Electronic Journal.

EPR Study of Cr3+ and Fe3+ Impurity Ions in Nominally Pure and Co2+-Doped YAlO3 Single Crystals

A. Suchocki, C. Rudowicz, I. Stefaniuk, 2009 .

Standardization of crystal field parameters for rare-earth (RE3+) ions at monoclinic sites in selected laser crystals

R. Kripal, C. Rudowicz, P. Gnutek, 2016 .

Magnetostructural relationships for Ni(II) ions at octahedral sites in [NixZn1−x(C2O4)(dmiz)2]: Computational study of zero-field splitting and using superposition model

C. Rudowicz, M. Açikgöz, P. Gnutek, 2015 .

Modeling Spectroscopic Properties of Ni2+ Ions in the Haldane Gap System Y2BaNiO5

C. Rudowicz, C. Rudowicz, M. Açikgöz, 2013, Applied magnetic resonance.

Superposition model in electron magnetic resonance spectroscopy – a primer for experimentalists with illustrative applications and literature database

C. Rudowicz, M. Açikgöz, P. Gnutek, 2019, Applied Spectroscopy Reviews.

Superposition model analysis of nickel(II) ions in trigonal bipyramidal complexes exhibiting huge zero field splitting ( aka ‘giant magnetic anisotropy’)

C. Rudowicz, P. Gnutek, M. Acikgoz, 2017 .

Determination of the g-factors measured by EPR based on theoretical crystal field and superposition model analyses for lanthanide-based magnetically concentrated crystals – case study: double tungstates and molybdates

C. Rudowicz, P. Gnutek, Honggang Liu, 2018, Philosophical Magazine.

Modeling zero-field splitting parameters for dopant Mn2+ and Fe3+ ions in anatase TiO2 crystal using superposition model analysis

C. Rudowicz, M. Açikgöz, P. Gnutek, 2012 .

Implications of direct conversions of crystal field parameters into zero-field splitting ones - Case study: Superposition model analysis for Cr3+ ions at orthorhombic sites in LiKSO4

R. Kripal, C. Rudowicz, P. Gnutek, 2021 .

Origin of the Ground Kramers Doublets for Co2+(3d7) Ions with the Effective Spin 3/2 Versus the Fictitious ‘Spin’ ½

C. Rudowicz, D. Piwowarska, P. Gnutek, 2018, Applied Magnetic Resonance.

Modeling the zero-field splitting parameters and local structure of Co2+ ions doped into PbMoO4 crystal based on crystal field approach and superposition model analysis

C. Rudowicz, D. Piwowarska, P. Gnutek, 2018, Optical Materials.

Theoretical interpretation of the zero-field splitting parameters for Fe3+ ions in wide-band gap semiconductor TlGaSe2 single crystal

C. Rudowicz, M. Açikgöz, P. Gnutek, 2010 .

Superposition model analysis of the zero-field splitting parameters of Fe3+ doped in TlInS2 crystal – Low symmetry aspects

C. Rudowicz, M. Açikgöz, P. Gnutek, 2010 .

Spin Hamiltonian Parameters for Co²⁺ Ions in PbMoO₄ Crystal - Interplay between the Fictitious Spin S'=1/2 and the Effective Spin S̃ =3/2

S. Kaczmarek, C. Rudowicz, D. Piwowarska, 2017 .

Alternative zero-field splitting (ZFS) parameter sets and standardization for Mn2+ ions in various hosts exhibiting orthorhombic site symmetry

R. Kripal, C. Rudowicz, P. Gnutek, 2009 .

Alternative crystal field parameters for rare-earth ions obtained from various techniques I. Reanalysis of Mössbauer spectroscopy studies of Tm3+ ions in TmBa2Cu4O8 and TmBa2Cu3O7-δ high Tc superconductors

M. Orlowski, M. Lewandowska, C. Rudowicz, 2009 .

Reanalysis of crystal-field parameters for Nd 3 + ions in Nd 2 Ba Cu O 5 and Nd 2 Ba Zn O 5 based on standardization, multiple correlated fitting technique, and dataset closeness

C. Rudowicz, M. Karbowiak, P. Gnutek, 2007 .

Determination of superposition model parameters required for analysis of the zero-field splitting parameters for Ni2+ ions in NiO6 complexes

C. Rudowicz, M. Açikgöz, P. Gnutek, 2015 .

Analysis of the zero-field splitting parameters of Mn2+ ions doped into yttrium aluminum borate YAl3(BO3)4 single crystal: Substitution position of the impurity ion

M. Açikgöz, P. Gnutek, 2014 .

Analysis of low symmetry aspects revealed by the zero-field splitting parameters and the crystal field parameters for Cr3+ ions doped into yttrium aluminum borate YAl3(BO3)4 crystal

C. Rudowicz, M. Açikgöz, P. Gnutek, 2014 .

Low symmetry aspects inherent in electron magnetic resonance (EMR) data for transition ions at triclinic and monoclinic symmetry sites: EMR of Fe3+ and Gd3+ in monoclinic zirconia revisited

C. Rudowicz, P. Gnutek, 2008 .

Tools for magnetostructural correlations for the 3d8(3A2 state) ions at orthorhombic sites: Comparative study with applications to Ni2+ ions in Y2BaNiO5 and Nd2BaNiO5

C. Rudowicz, M. Açikgöz, P. Gnutek, 2015 .

Modeling Spectroscopic Properties of Ni2+ Ions in the Haldane Gap System Y2BaNiO5

C. Rudowicz, M. Açikgöz, P. Gnutek, 2013, Applied magnetic resonance.

Crystal field parameters for Yb3+ ions at orthorhombic centers in garnets—Revisited

C. Rudowicz, P. Gnutek, Honggang Liu, 2011 .

Interpretation of multiple solutions and selection of the final crystal field parameter sets for orthorhombic and lower symmetry--case study: Er3+ ions at orthorhombic sites in ErNiAl4.

C. Rudowicz, P. Gnutek, 2011, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Alternative crystal-field parameters for rare-earth ions obtained from various techniques: III. Low symmetry aspects inherent in monoclinic parameters obtained by Mössbauer spectroscopy for Tm3+ ions in Tm2BaXO5 (X = Co, Cu, Ni)

M. Lewandowska, C. Rudowicz, P. Gnutek, 2010 .

Extracting structural information from low symmetry crystal field parameters-case study: Er3+ and Nd3+ ions in YAlO3

P. Gnutek, C. Rudowicz, 2009 .

Alternative crystal-field parameters for rare-earth ions obtained from various techniques: II. Reanalysis of spectroscopic data for Eu3+ and Er3+ ions in RE2BaXO5 (X = Co, Cu, Ni, Zn) high temperature superconductors and related systems

M. Lewandowska, C. Rudowicz, P. Gnutek, 2009 .

Diagonalization of second-rank crystal field terms for 3dN and 4fN ions at triclinic or monoclinic symmetry sites – case study: Cr4+ in Li2MgSiO4 and Nd3+ in β-BaB2O4

C. Rudowicz, P. Gnutek, 2008 .

EMR studies of the internal motion of Mn(4+) ions in the Sr overdoped (La(1-x)Sr(x))(Ga(1-y)Mn(y))O3 (x/y up to 8) supplemented by magnetic and optical spectroscopy measurements.

M. Berkowski, I. Radelytskyi, C. Rudowicz, 2015, Journal of magnetic resonance.

The calculation of zero-field splitting parameters for Fe3+ ions doped in rutile TiO2 crystal by superposition model analysis

C. Rudowicz, M. Açikgöz, P. Gnutek, 2012 .

Modeling local distortions around Fe3+ ions doped into TlGaS2 crystal using superposition model analysis of the zero-field splitting parameters

C. Rudowicz, M. Açikgöz, P. Gnutek, 2010 .

Crystal field analysis of the energy level structure of Cs2NaAlF6:Cr3+

N. Avram, C. Rudowicz, P. Gnutek, 2006 .

Modeling local structure using crystal field and spin Hamiltonian parameters: the tetragonal FeK3+–OI2− defect center in KTaO3 crystal

C. Rudowicz, Z. Yang, P. Gnutek, 2009, Journal of physics. Condensed matter : an Institute of Physics journal.

Systematization of crystal field parameters for trivalent rare-earth (RE3+) ions at orthorhombic sites in selected laser materials—standardization approach

R. Kripal, P. Gnutek, Dhananjai Yadav, 2013 .

Crystal-field analysis of Ho3+ ions in HoCl3·6H2O

A. Mech, C. Rudowicz, M. Karbowiak, 2008 .

Modelling spectroscopic properties of NiSnCl6·6H2O as a probe for pressure calibration in high-magnetic field and high-frequency EMR measurements

H. Ohta, T. Sakurai, C. Rudowicz, 2015 .

Nature self-imposed limits and existence of intrinsically incomparable crystal (ligand) field parameter sets for transition ions at orthorhombic, monoclinic, and triclinic symmetry sites in crystals: pitfalls and blessings

C. Rudowicz, P. Gnutek, 2009, 0906.0491.

Modelling of EMR data for Fe2+(S=2) ions in a [2Fe-2S] cluster in the reduced ferredoxin

C. Rudowicz, D. Piwowarska, P. Gnutek, 2013 .

Theoretical Analysis of Crystal Field Parameters and Zero Field Splitting Parameters for Mn2 Ions in Tetramethylammonium Tetrachlorozincate (TATZ)

R. Kripal, C. Rudowicz, P. Gnutek, 2023, SSRN Electronic Journal.