Subhabrata Dhar
Subhabrata Dhar
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Colossal magnetic moment of Gd in GaN
S Dhar, O Brandt, M Ramsteiner, VF Sapega, KH Ploog
Physical Review Letters 94 (3), 037205, 2005
3782005
Origin of high-temperature ferromagnetism in (Ga, Mn) N layers grown on 4H–SiC (0001) by reactive molecular-beam epitaxy
S Dhar, O Brandt, A Trampert, L Däweritz, KJ Friedland, KH Ploog, ...
Applied Physics Letters 82 (13), 2077-2079, 2003
2302003
Impact of nucleation conditions on the structural and optical properties of M-plane GaN (1 1̄ 00) grown on γ-LiAlO 2
YJ Sun, O Brandt, U Jahn, TY Liu, A Trampert, S Cronenberg, S Dhar, ...
Journal of Applied Physics 92 (10), 5714-5719, 2002
1842002
Gd-doped GaN: A very dilute ferromagnetic semiconductor with a Curie temperature above 300 K
S Dhar, L Pérez, O Brandt, A Trampert, KH Ploog, J Keller, B Beschoten
Physical Review B 72 (24), 245203, 2005
1572005
Ferromagnetism and colossal magnetic moment in Gd-focused ion-beam-implanted GaN
S Dhar, T Kammermeier, A Ney, L Pérez, KH Ploog, A Melnikov, ...
Applied physics letters 89 (6), 062503, 2006
1332006
Observation of spin-glass behavior in homogeneous (Ga, Mn) N layers grown by reactive molecular-beam epitaxy
S Dhar, O Brandt, A Trampert, KJ Friedland, YJ Sun, KH Ploog
Physical Review B 67 (16), 165205, 2003
1312003
Nonpolar In x Ga 1− x N/GaN (11¯ 0 0) multiple quantum wells grown on γ− LiAlO 2 (100) by plasma-assisted molecular-beam epitaxy
YJ Sun, O Brandt, S Cronenberg, S Dhar, HT Grahn, KH Ploog, ...
Physical Review B 67 (4), 041306, 2003
1202003
Rare-earth doped III-nitrides for optoelectronic and spintronic applications
KP O'Donnell, V Dierolf
Springer Science & Business Media, 2010
822010
Effect of surface groups on the luminescence property of ZnO nanoparticles synthesized by sol–gel route
A Sharma, BP Singh, S Dhar, A Gondorf, M Spasova
Surface Science 606 (3-4), L13-L17, 2012
692012
Effect of annealing on the magnetic properties of Gd focused ion beam implanted GaN
MA Khaderbad, S Dhar, L Pérez, KH Ploog, A Melnikov, AD Wieck
Applied Physics Letters 91 (7), 072514, 2007
682007
Element specific investigations of the structural and magnetic properties of Gd: GaN
A Ney, T Kammermeier, E Manuel, V Ney, S Dhar, KH Ploog, F Wilhelm, ...
Applied Physics Letters 90 (25), 252515, 2007
612007
Low field electron mobility in GaN
S Dhar, S Ghosh
Journal of applied physics 86 (5), 2668-2676, 1999
611999
A generalized three-stage mechanism of ZnO nanoparticle formation in homogeneous liquid medium
A Layek, G Mishra, A Sharma, M Spasova, S Dhar, A Chowdhury, ...
The Journal of Physical Chemistry C 116 (46), 24757-24769, 2012
582012
Structural and magnetic properties of (Ga, Mn) N layers grown on SiC by reactive molecular beam epitaxy
KH Ploog, S Dhar, A Trampert
Journal of Vacuum Science & Technology B: Microelectronics and Nanometer …, 2003
522003
Magnetic phases and anisotropy in Gd-doped GaN
L Pérez, GS Lau, S Dhar, O Brandt, KH Ploog
Physical Review B 74 (19), 195207, 2006
452006
Quantum-confined stark effect in localized luminescent centers within InGaN/GaN quantum-well based light emitting diodes
S De, A Layek, S Bhattacharya, D Kumar Das, A Kadir, A Bhattacharya, ...
Applied Physics Letters 101 (12), 121919, 2012
442012
Optical metastability in undoped GaN grown on Ga-rich GaN buffer layers
S Dhar, S Ghosh
Applied physics letters 80 (24), 4519-4521, 2002
412002
Two Distinct Origins of Highly Localized Luminescent Centers within InGaN/GaN Quantum‐Well Light‐Emitting Diodes
S De, A Layek, A Raja, A Kadir, MR Gokhale, A Bhattacharya, S Dhar, ...
Advanced Functional Materials 21 (20), 3828-3835, 2011
402011
Element specific magnetic properties of Gd-doped GaN: Very small polarization of Ga and paramagnetism of Gd
A Ney, T Kammermeier, V Ney, S Ye, K Ollefs, E Manuel, S Dhar, ...
Physical Review B 77 (23), 233308, 2008
402008
Magnetic properties of epitaxial CrN films
A Ney, R Rajaram, SSP Parkin, T Kammermeier, S Dhar
Applied Physics Letters 89 (11), 112504, 2006
392006
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Artículos 1–20