Ministry of Education
Ghanshyam Das Varma
VIDWAN ID: 50173

Dr Ghanshyam Das Varma

Male Doctor of Philosophy
Professor | Physics
Indian Institute of Technology, Roorkee
Uttarakhand
Expertise: Condensed Matter Physics
Scopus 14040828900
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136 Publications
0 Projects
2967 Scopus Citations
2771 CrossRef
20 Years 6 Months Total Experience
Publications
136 Total
Articles
111
Proceedings
25
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Scopus Scopus
2,967 Citations
28 h-index
CrossRef CrossRef
2,771 Citations
28 h-index
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Personal Details

Doctor of Philosophy
1994
N/A
Professor
Mar 2006 – Present
Indian Institute of Technology, Roorkee | Physics
Physical Sciences
Condensed Matter Physics

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Scholarly Publications

Magnetoresistance behaviour of La0.7Sr0.3MnO3 /NiO composites

Journal Article
Solid State Communications. Year: 2006. Volume: 139 , Issue: 6 , Pages: 310-314 .
Authors: Anurag Gaur; G.D. Varma
DOI 10.1016/j.ssc.2006.05.018 Crossref Crossref: 48 Scopus Scopus: 52

Sintering temperature effect on electrical transport and magnetoresistance of nanophasic La0.7Sr0.3MnO3

Journal Article
Journal of Physics: Condensed Matter. Year: 2006. Volume: 18 , Issue: 39 , Pages: 8837-8846 .
Authors: Anurag Gaur; G D Varma
DOI 10.1088/0953-8984/18/39/014 Crossref Crossref: 60 Scopus Scopus: 83

Enhanced low field magnetoresistance in La0.7Sr 0.3MnO3/TiO2 composite

Open Access
Journal Article
Journal of Physics D: Applied Physics. Year: 2006. Volume: 39 , Issue: 16 , Pages: 3531-3535 .
Authors: Anurag Gaur; G D Varma; H K Singh
DOI 10.1088/0022-3727/39/16/002 Crossref Crossref: 28 Scopus Scopus: 27

Electrical and magnetotransport properties of la0.7Sr 0.3MnO3/TiO2 composites

Journal Article
CRYSTAL RESEARCH AND TECHNOLOGY. Year: 2007. Volume: 42 , Issue: 2 , Pages: 164-168 .
Authors: A. Gaur; G. D. Varma
DOI 10.1002/crat.200610790 Crossref Crossref: 13 Scopus Scopus: 13

Structural and magnetic studies of Mn-doped ZnO

Journal Article
CRYSTAL RESEARCH AND TECHNOLOGY. Year: 2007. Volume: 42 , Issue: 1 , Pages: 34-38 .
Authors: V. K. Sharma; R. Xalxo; G. D. Varma
DOI 10.1002/crat.200610766 Crossref Crossref: 68 Scopus Scopus: 78

Microstructure-magnetotransport correlation in La0.7Ca0.3MnO3

Journal Article
Journal of Alloys and Compounds. Year: 2007. Volume: 443 , Issue: 1-2 , Pages: 26-31 .
Authors: P.K. Siwach; R. Prasad; A. Gaur; H.K. Singh; G.D. Varma; O.N. Srivastava
DOI 10.1016/j.jallcom.2006.10.008 Crossref Crossref: 36 Scopus Scopus: 40

Oxygen vacancies induced room temperature ferromagnetism in hydrogenated Mn-doped ZnO

Journal Article
Journal of Applied Physics. Year: 2007. Volume: 102 , Issue: 5 .
Authors: V. K. Sharma; G. D. Varma
DOI 10.1063/1.2778283 Crossref Crossref: 61 Scopus Scopus: 67

Effect of large compressive strain on low field electrical transport in La0.88Sr0.12MnO3 thin films

Open Access
Journal Article
Journal of Physics D: Applied Physics. Year: 2007. Volume: 40 , Issue: 9 , Pages: 2954-2960 .
Authors: Ravikant Prasad; Anurag Gaur; P K Siwach; G D Varma; A Kaur; H K Singh
DOI 10.1088/0022-3727/40/9/043 Crossref Crossref: 8 Scopus Scopus: 9
Showing 1 to 8 of 136 publications