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1

Equation of state of nanocrystalline BaTiO3 up to 52 GPa at room temperature

Ravhi S. Kumar, Andrew L. Cornelius, Malcolm F. Nicol

Journal:

physica status solidi (b)

Year:

2007

Language:

english

File:

PDF, 209 KB

english, 2007

2

hashemite

Santamaría-Pérez, D., Kumar, Ravhi S., Dos santos-García, A. J., Errandonea, D., Chuliá-Jordán, R., Saez-Puche, R., Rodríguez-Hernández, P., Muñoz, A.

Journal:

Physical Review B

Year:

2012

Language:

english

File:

PDF, 1.32 MB

english, 2012

3

X-ray Raman scattering studies on C60 fullerenes and multi-walled carbon nanotubes under pressure

Kumar, Ravhi S., Pravica, Michael G., Cornelius, Andrew L., Nicol, Malcolm F., Hu, Michael Y., Chow, Paul C.

Journal:

Diamond and Related Materials

Year:

2007

Language:

english

File:

PDF, 442 KB

english, 2007

4

Effect of Pressure and Temperature on Structural Stability of MoS 2

Bandaru, Nirup, Kumar, Ravhi S., Sneed, Daniel, Tschauner, Oliver, Baker, Jason, Antonio, Daniel, Luo, Sheng-Nian, Hartmann, Thomas, Zhao, Yusheng, Venkat, Rama

Journal:

The Journal of Physical Chemistry C

Year:

2014

Language:

english

File:

PDF, 858 KB

english, 2014

5

Structural, electrical, and thermoelectric properties of CrSi2 thin films

Abd El Qader, Makram, Venkat, Rama, Kumar, Ravhi, Hartmann, Thomas, Ginobbi, Paolo, Newman, Nathan, Singh, Rakesh

Journal:

Thin Solid Films

Year:

2013

Language:

english

File:

PDF, 1.08 MB

english, 2013

6

Inelastic X-ray scattering experiments on B4C under high static pressures

Kumar, Ravhi S., Dandekar, Dattatraya, Leithe-Jasper, Andres, Tanaka, Takaho, Xiao, Yuming, Chow, Paul, Nicol, Malcolm F., Cornelius, Andrew L.

Journal:

Diamond and Related Materials

Year:

2010

Language:

english

File:

PDF, 403 KB

english, 2010

7

Bonding changes in single wall carbon nanotubes (SWCNT) on Ti and TiH2 addition probed by X-ray Raman scattering

Kumar, Ravhi S., Cornelius, Andrew L., Pravica, Michael G., Nicol, Malcolm F., Hu, Michael Y., Chow, Paul C.

Journal:

Diamond and Related Materials

Year:

2007

Language:

english

File:

PDF, 978 KB

english, 2007

8

Effect of Pressure on Valence and Structural Properties of YbFe 2 Ge 2 Heavy Fermion Compound—A Combined Inelastic X-ray Spectroscopy, X-ray Diffraction, and Theoretical Investigation

Kumar, Ravhi S., Svane, Axel, Vaitheeswaran, Ganapathy, Kanchana, Venkatakrishnan, Antonio, Daniel, Cornelius, Andrew L., Bauer, Eric D., Xiao, Yuming, Chow, Paul

Journal:

Inorganic Chemistry

Year:

2015

Language:

english

File:

PDF, 1.58 MB

english, 2015

9

Compressibility and thermoelectric behavior of TiCoSb half-Heusler compound at high pressures

Baker, Jason L., Kumar, Ravhi S., Park, Changyong, Velisavljevic, Nenad, Cornelius, Andrew

Journal:

Year:

2018

Language:

english

File:

PDF, 814 KB

english, 2018

10

ChemInform Abstract: Structural Studies of CuAlSe2 and CuAlS2 Chalcopyrites at High Pressures.

Ravhi S. Kumar, A. Sekar, N. Victor Jaya, S. Natarajan, S. Chichibu

Journal:

Year:

2001

File:

PDF, 27 KB

2001

11

ChemInform Abstract: Structural Phase Transitions in RbBH4 under Compression.

Ravhi S. Kumar, Andrew L. Cornelius

Journal:

Year:

2009

File:

PDF, 12 KB

2009

12

Effect of pressure and temperature on structural stability of potential hydrogen storage compound Li3AlH6

Ravhi S. Kumar, Xuezhi Ke, Andrew L. Cornelius, Changfeng Chen

Journal:

Chemical Physics Letters

Year:

2008

Language:

english

File:

PDF, 645 KB

english, 2008

13

Pressure induced structural changes in the potential hydrogen storage compound ammonia borane: A combined X-ray, neutron and theoretical investigation

Ravhi S. Kumar, Xuezhi Ke, Jianzhong Zhang, Zhijun Lin, Sven C. Vogel, Monika Hartl, Stanislav Sinogeikin, Luke Daemen, Andrew L. Cornelius, Changfeng Chen, Yusheng Zhao

Journal:

Chemical Physics Letters

Year:

2010

Language:

english

File:

PDF, 593 KB

english, 2010

14

High-pressure X-ray diffraction study of SrMoO4 and pressure-induced structural changes

Daniel Errandonea, Ravhi S. Kumar, Xinghua Ma, Chaoyang Tu

Journal:

Journal of Solid State Chemistry

Year:

2008

Language:

english

File:

PDF, 573 KB

english, 2008

15

Structural studies on Na0.75CoO2 thermoelectric material at high pressures

Ravhi S. Kumar, Sandeep Rekhi, D. Prabhakaran, M. Somayazulu, Eunja Kim, Jeremy D. Cook, Timothy Stemmler, A.T. Boothroyd, Mark R. Chance, Andrew L. Cornelius

Journal:

Solid State Communications

Year:

2009

Language:

english

File:

PDF, 3.99 MB

english, 2009

16

High pressure structure of Tb2Ti2O7 pyrochlore at cryogenic temperatures

Ravhi S. Kumar, Andrew L. Cornelius, Maddury Somayazulu, Daniel Errandonea, Malcolm F. Nicol, Jason Gardner

Journal:

physica status solidi (b)

Year:

2007

Language:

english

File:

PDF, 217 KB

english, 2007

17

Structural Phase Transitions and Thermoelectric Properties of AgPb18SbTe20Under Compression

Ravhi S. Kumar, Mahalingam Balasubramanian, Matthew Jacobsen, Arunkumar Bommannavar, Mercouri Kanatzidis, Seiji Yoneda, Andrew L. Cornelius

Journal:

Journal of Electronic Materials

Year:

2010

Language:

english

File:

PDF, 323 KB

english, 2010

18

Structure of nanocrystalline ZnO up to 85 GPa

Ravhi S. Kumar, Andrew L. Cornelius, Malcolm F. Nicol

Journal:

Current Applied Physics

Year:

2007

Language:

english

File:

PDF, 320 KB

english, 2007

19

High-pressure structure of LaSr2Mn2O7 bilayer manganite

Ravhi S. Kumar, D. Prabhakaran, Andrew Boothroyd, Malcolm F. Nicol, Andrew Cornelius

Journal:

Journal of Physics and Chemistry of Solids

Year:

2006

Language:

english

File:

PDF, 266 KB

english, 2006

20

Disturbing the spin liquid state in Tb2Ti2O7: Heat capacity measurements on rare earth titanates

A.L. Cornelius, B.E. Light, Ravhi S. Kumar, M. Eichenfield, T. Dutton, R. Pepin, J.S. Gardner

Journal:

Physica B: Condensed Matter

Year:

2005

Language:

english

File:

PDF, 204 KB

english, 2005

21

Structural behavior of non-oxide perovskite superconductor MgCNi3 at pressures up to 32 GPa

Ravhi S. Kumar, A.L. Cornelius, Yongrong Shen, T. Geetha Kumary, J. Janaki, M.C. Valsakumar, Malcolm F. Nicol

Journal:

Physica B: Condensed Matter

Year:

2005

Language:

english

File:

PDF, 383 KB

english, 2005

22

Crystal and Electronic Structure of FeSe at High Pressure and Low Temperature

Kumar, Ravhi S., Zhang, Yi, Sinogeikin, Stanislav, Xiao, Yuming, Kumar, Sathish, Chow, Paul, Cornelius, Andrew L., Chen, Changfeng

Journal:

Journal of Physical Chemistry B

Year:

2010

Language:

english

File:

PDF, 2.76 MB

english, 2010

23

Pressure-Driven Phase Transitions in NaBH4: Theory and Experiments

Kumar, Ravhi, Weck, Philippe F., Kim, Eunja, Cornelius, Andrew L., Nicol, Malcolm, Vogel, Sven C., Zhang, Jianzhong, Hartl, Monika, Stowe, Ashley C., Daemen, Luke

Journal:

Journal of Physical Chemistry B

Year:

2007

Language:

english

File:

PDF, 194 KB

english, 2007

24

Pressure induced high spin-low spin transition in FeSe superconductor studied by x-ray emission spectroscopy and ab initio calculations

Kumar, Ravhi S., Zhang, Yi, Xiao, Yuming, Baker, Jason, Cornelius, Andrew, Veeramalai, Sathishkumar, Chow, Paul, Chen, Changfeng, Zhao, Yusheng

Journal:

Applied Physics Letters

Year:

2011

Language:

english

File:

PDF, 888 KB

english, 2011

25

Pressure effect on crystal structure and superconductivity of La0.8Th0.2FeAsO

Ravhi S. Kumar, Daniel Antonio, M. Kanagaraj, S. Arumugam, Andrew L. Cornelius, Stanislav Sinogeikin, J. Prakash, Gohil S. Thakur, A. K. Ganguli, Thomas Hartmann, Yusheng Zhao

Journal:

physica status solidi (RRL) - Rapid Research Letters

Year:

2011

Language:

english

File:

PDF, 600 KB

english, 2011

26

Transport Properties of Ni and PbTe Under Pressure

Matthew K. Jacobsen, Ravhi S. Kumar, Andrew L. Cornelius

Journal:

Journal of Electronic Materials

Year:

2012

Language:

english

File:

PDF, 918 KB

english, 2012

27

Synthesis, structural and magnetic properties of spin ladder compound Ca1−xCoxCu2O3

C. Sekar, S. Paulraj, G. Krabbes, M. Kanagaraj, S. Arumugam, Ravhi S. Kumar

Journal:

Journal of Magnetism and Magnetic Materials

Year:

2011

Language:

english

File:

PDF, 645 KB

english, 2011

28

Structural studies of CuAlSe2 and CuAlS2 chalcopyrites at high pressures

Ravhi S Kumar, A Sekar, N.Victor Jaya, S Natarajan, S Chichibu

Journal:

Journal of Alloys and Compounds

Year:

2000

Language:

english

File:

PDF, 220 KB

english, 2000

29

Synthesis and high pressure studies of the semiconductor AgSbSe2

Ravhi S Kumar, A Sekar, N.Victor Jaya, S Natarajan

Journal:

Journal of Alloys and Compounds

Year:

1999

Language:

english

File:

PDF, 97 KB

english, 1999

30

Characteristics of silicone fluid as a pressure transmitting medium in diamond anvil cells

Shen, Yongrong, Kumar, Ravhi S., Pravica, Michael, Nicol, Malcolm F.

Journal:

Review of Scientific Instruments

Year:

2004

Language:

english

File:

PDF, 417 KB

english, 2004

31

Structural phase transitions in RbBH4 under compression

Ravhi S. Kumar, Andrew L. Cornelius

Journal:

Journal of Alloys and Compounds

Year:

2009

Language:

english

File:

PDF, 465 KB

english, 2009

32

High-pressure structural, elastic, and electronic properties of the scintillator host material

Vaitheeswaran, G., Kanchana, V., Kumar, Ravhi S., Cornelius, A. L., Nicol, M. F., Svane, A., Delin, A., Johansson, B.

Journal:

Physical Review B

Year:

2007

Language:

english

File:

PDF, 202 KB

english, 2007

33

up to 60 GPa: A combined experimental and theoretical study

Vaitheeswaran, G., Kanchana, V., Kumar, Ravhi S., Cornelius, A. L., Nicol, M. F., Svane, A., Christensen, N. E., Eriksson, O.

Journal:

Physical Review B

Year:

2010

Language:

english

File:

PDF, 1.03 MB

english, 2010

34

: Determination at high pressure by in situ x-ray diffraction

Errandonea, D., Kumar, Ravhi S., Manjón, F. J., Ursaki, V. V., Rusu, E. V.

Journal:

Physical Review B

Year:

2009

Language:

english

File:

PDF, 161 KB

english, 2009

35

Pressure-Induced Valence and Structural Changes in YbMn 2 Ge 2 —Inelastic X-ray Spectroscopy and Theoretical Investigations

Kumar, Ravhi S., Svane, A., Vaitheeswaran, G., Zhang, Y., Kanchana, V., Hofmann, M., Campbell, S. J., Xiao, Yuming, Chow, P., Chen, Changfeng, Zhao, Yusheng, Cornelius, Andrew L.

Journal:

Inorganic Chemistry

Year:

2013

Language:

english

File:

PDF, 475 KB

english, 2013

36

Structural Phase Transitions in the Potential Hydrogen Storage Compound KBH 4 under Compression

Kumar, Ravhi S., Kim, Eunja, Cornelius, Andrew L.

Journal:

The Journal of Physical Chemistry C

Year:

2008

Language:

english

File:

PDF, 1.31 MB

english, 2008

37

at high pressure

Errandonea, D., Kumar, Ravhi. S., Gracia, L., Beltrán, A., Achary, S. N., Tyagi, A. K.

Journal:

Physical Review B

Year:

2009

Language:

english

File:

PDF, 190 KB

english, 2009

38

: A combined high-pressure inelastic x-ray scattering and theoretical investigation

Kumar, Ravhi S., Svane, Axel, Vaitheeswaran, G., Kanchana, V., Bauer, Eric D., Hu, Michael, Nicol, Malcolm F., Cornelius, Andrew L.

Journal:

Physical Review B

Year:

2008

Language:

english

File:

PDF, 255 KB

english, 2008

39

Pressure induced structural phase transition in

Kumar, Ravhi S., Cornelius, Andrew L., Kim, Eunja, Shen, Yongrong, Yoneda, S., Chen, Changfeng, Nicol, Malcolm F.

Journal:

Physical Review B

Year:

2005

Language:

english

File:

PDF, 72 KB

english, 2005

40

, Ir, and Co) compounds

Kumar, Ravhi S., Cornelius, A. L., Sarrao, J. L.

Journal:

Physical Review B

Year:

2004

Language:

english

File:

PDF, 125 KB

english, 2004

41

High pressure transport and structural studies on Nb3Ga superconductor

Mkrtcheyan, Vahe, Kumar, Ravhi, Baker, Jason, Connolly, Anthony, Antonio, Daniel, Cornelius, Andrew, Zhao, Yusheng

Journal:

Physica B: Condensed Matter

Year:

2015

Language:

english

File:

PDF, 826 KB

english, 2015

42

Anisotropic elastic properties of

Kumar, Ravhi S., Kohlmann, H., Light, B. E., Cornelius, A. L., Raghavan, V., Darling, T. W., Sarrao, J. L.

Journal:

Physical Review B

Year:

2004

Language:

english

File:

PDF, 77 KB

english, 2004

43

Short-range magnetic interactions and non-Fermi-liquid behavior

Light, B. E., Kumar, Ravhi S., Cornelius, A. L., Pagliuso, P. G., Sarrao, J. L.

Journal:

Physical Review B

Year:

2004

Language:

english

File:

PDF, 111 KB

english, 2004

44

High-pressure structural studies of dysprosium using angle-dispersive x-ray diffraction

Shen, Yong Rong, Kumar, Ravhi S., Cornelius, Andrew L., Nicol, Malcolm F.

Journal:

Physical Review B

Year:

2007

Language:

english

File:

PDF, 386 KB

english, 2007

45

Structural transitions in NaBH[sub 4] under pressure

Kumar, Ravhi S., Cornelius, Andrew L.

Journal:

Applied Physics Letters

Year:

2005

Language:

english

File:

PDF, 247 KB

english, 2005

46

Pressure-induced structural transitions in Tb-pyrochlore oxides

Kumar, Ravhi S., Cornelius, Andrew L., Nicol, Malcolm F., Kam, Kinson C., Cheetham, Anthony K., Gardner, Jason S.

Journal:

Applied Physics Letters

Year:

2006

Language:

english

File:

PDF, 300 KB

english, 2006

47

Compressibility of Nb[sub 2]AsC to 41 GPa

Kumar, Ravhi S., Rekhi, Sandeep, Cornelius, A. L., Barsoum, Michel W.

Journal:

Applied Physics Letters

Year:

2005

Language:

english

File:

PDF, 232 KB

english, 2005

48

Design and fabrication of a simple pneumatic loading attachment for diamond anvil cells

Kumar, Ravhi S., Sekar, A., Jaya, N. Victor, Natarajan, S.

Journal:

Review of Scientific Instruments

Year:

1999

Language:

english

File:

PDF, 327 KB

english, 1999

49

Pressure-induced structural phase transition in

Kumar, Ravhi S., Kim, Eunja, Tschauner, Oliver, Cornelius, Andrew L., Sulic, Martin P., Jensen, Craig M.

Journal:

Physical Review B

Year:

2007

Language:

english

File:

PDF, 856 KB

english, 2007

50

Pressure induced valence change of Eu in EuFe2As2 at low temperature and high pressures probed by resonant inelastic x-ray scattering

Kumar, Ravhi S., Zhang, Yi, Thamizhavel, Arumugam, Svane, A., Vaitheeswaran, G., Kanchana, V., Xiao, Yuming, Chow, Paul, Chen, Changfeng, Zhao, Yusheng

Journal:

Applied Physics Letters

Year:

2014

Language:

english

File:

PDF, 859 KB

english, 2014