A. Sarkar

发表

Role of defects in tailoring structural, electrical and optical properties of ZnO

Mahuya Chakrabarti, Dirtha Sanyal, S. Dutta, 2009 .

Clustered vacancies in ZnO: chemical aspects and consequences on physical properties

Avishek Das, Pravin Kumar, A. Singha, 2017, 1710.03696.

Positron annihilation lifetime studies on La0.5Pb0.5Mn1−yCryO3

A. Banerjee, A. Sarkar, D. Sanyal, 2003 .

Low temperature photoluminescence from disordered granular ZnO

S. Ray, Pravin Kumar, A. Sarkar, 2016 .

Defects in 700 keV oxygen ion irradiated ZnO

S. Ray, Pravin Kumar, A. Sarkar, 2013 .

Disorder driven optical processes in nanocrystalline ZnO

S. Ray, S. Neogi, S. Dutta, 2012 .

Defects and the optical absorption in nanocrystalline ZnO

Manas Sutradhar, S. Dutta, S. Chattopadhyay, 2007 .

Annealing effect on nano-ZnO powder studied from positron lifetime and optical absorption spectroscopy

S. K. Pradhan, Manas Sutradhar, S. Dutta, 2006 .

Effect of 50 MeV Li3 + irradiation on structural and electrical properties of Mn-doped ZnO

S. Neogi, A. Banerjee, Ravi K. Kumar, 2011, Journal of physics. Condensed matter : an Institute of Physics journal.

Defects induced ferromagnetism in Mn doped ZnO

S. Chattopadhyay, S. Neogi, A. Banerjee, 2010, 1010.0547.

Interplay of defects in 1.2 MeV Ar irradiated ZnO

S. Ray, Pravin Kumar, S. Dutta, 2010 .

Photoluminescence and positron annihilation spectroscopic investigation on a H+ irradiated ZnO single crystal

S. Ray, A. Sarkar, M. Chakrabarti, 2012, Journal of physics. Condensed matter : an Institute of Physics journal.

Raman spectroscopic analysis on Li, N and (Li,N) implanted ZnO

Avishek Das, S. Chattopadhyay, S. Ray, 2018, Materials Science in Semiconductor Processing.

Positron annihilation spectroscopic characterization of defects in wide band gap oxide semiconductors

A. Sarkar, D. Sanyal, N. Gogurla, 2017 .

Defect generation and recovery in polycrystalline ZnO during annealing below 300 °C as studied by in situ positron annihilation spectroscopy

A. Sarkar, D. Sanyal, N. Gogurla, 2017, Journal of Materials Science.

Shallow acceptor state in ZnO realized by ion irradiation and annealing route

A. Sarkar, S. Singha, K. Asokan, 2017 .

Effect of Li3+ irradiation on the transport properties of La0.7Pb0.3MnO3 type CMR material

S. Chattopadhyay, A. Banerjee, A. Banerjee, 2004 .

Positron annihilation studies on the La1−xPbxMnO3 system

A. Banerjee, A. Banerjee, A. Sarkar, 2001 .

Synthesis and characterization of single-phase Mn-doped ZnO

A. Banerjee, S. Dutta, S. Chattopadhyay, 2009, 0901.0807.

Lattice distortion and stability of (Co 0.2 Cu 0.2 Mg 0.2 Ni 0.2 Zn 0.2 )O high-entropy oxide under high pressure

X. Chen, R. Djenadić, K. Glazyrin, 2020 .

Studies of quenched disorder in La0.7Ca0.3MnO3-type CMR manganite system from magnetic, transport and positron annihilation spectroscopic measurements

S. Chattopadhyay, P. Joy, A. Sarkar, 2007 .

Positron annihilation lifetime and photoluminescence studies on single crystalline ZnO

S. Ray, A. Sarkar, M. Chakrabarti, 2011, Journal of physics. Condensed matter : an Institute of Physics journal.

Probing Materials by Positron Annihilation Technique and Mossbauer Spectroscopy - Review

S. Chattopadhyay, A. Sarkar, M. Chakrabarti, 2011 .

Defect dynamics in annealed ZnO by positron annihilation spectroscopy

S. Dutta, S. Chattopadhyay, A. Sarkar, 2005 .

Depth resolved defect characterization of energetic ion irradiated ZnO by positron annihilation techniques and photoluminescence

R. Brusa, C. Hugenschmidt, A. Sarkar, 2019, Journal of physics. Condensed matter : an Institute of Physics journal.

Defects in 6 MeV H+ irradiated hydrothermal ZnO single crystal

D. Rafaja, A. Sarkar, M. Chakrabarti, 2013, Journal of physics. Condensed matter : an Institute of Physics journal.

Electrical conductivity, thermo-electric power and structure of differently heat-treated CdO

T. K. Dey, S. Chaudhury, A. Sarkar, 2000 .

Ab-initio calculation and experimental observation of room temperature ferromagnetism in 50 keV nitrogen implanted rutile TiO2

A. Sarkar, M. Chakrabarti, D. Sanyal, 2018 .

Positron annihilation lifetime characterization of oxygen ion irradiated rutile TiO2

S. Chattopadhyay, A. Sarkar, M. Chakrabarti, 2016 .

Theoretical and experimental investigation of possible ferromagnetic ordering in wide band gap ZnO and related systems

A. Sarkar, D. Sanyal, D. Bhowmick, 2016 .

Defect driven ferromagnetism in SnO2: a combined study using density functional theory and positron annihilation spectroscopy

S. Chattopadhyay, A. Sarkar, M. Chakrabarti, 2015 .

Surface defects induced ferromagnetism in mechanically milled nanocrystalline ZnO

S. Ray, D. Das, A. Sarkar, 2013 .

Defects induced ferromagnetism in Mn doped ZnO

S. Chattopadhyay, S. Neogi, A. Banerjee, 2010, 1010.0547.

Grain size dependence of optical properties and positron annihilation parameters in Bi2O3 powder

S. Dutta, A. Sarkar, M. Chakrabarti, 2004, Nanotechnology.

Enhancement and degradation of Tc in Bi-HTSC due to Li3+ irradiations

A. Sarkar, D. Sanyal, U. De, 1999 .

Doppler broadening measurements of the electron-positron annihilation radiation in nanocrystalline ZrO2

A. Chakrabarti, S. Chattopadhyay, A. Sarkar, 2005 .

Room temperature ferromagnetic ordering in 4 MeV Ar5+ irradiated TiO2

A. Sarkar, M. Chakrabarti, D. Sanyal, 2014 .

Optical property modification of ZnO: Effect of 1.2 MeV Ar irradiation

S. Ray, S. Dutta, S. Chattopadhyay, 2010, 1010.0753.

Doppler broadening measurements of positron annihilation in single crystalline Bi2Sr2CaCu2O8+δ high Tc superconductor along two different crystallographic directions

A. Sarkar, M. Chakrabarti, D. Sanyal, 2004 .

Doppler broadening measurements of the electron–positron annihilation radiation in La0.7Y0.3Ca0.5Ba1.5Cu3Oz superconductor

S. Chattopadhyay, A. Sarkar, M. Chakrabarti, 2004 .

Studies of coincidence Doppler broadening of the electron-positron annihilation radiation in the single crystalline Bi

A. Zecca, G. Karwasz, A. Sarkar, 2004 .

Anisotropy of the electron momentum distribution in Bi2Sr2CaCu2O8+δ superconductor studied by positron annihilation

A. Pradhan, A. Sarkar, M. Chakrabarti, 2003, cond-mat/0307725.

Unusual metal-like state in HTSC and CMR oxides

S. Chattopadhyay, A. Sarkar, Ravi Kumar, 2006 .