Items where Author is "Godwal, B. K."

Godwal, B. K. ; Speziale, S. ; Voltolini, M. ; Wenk, R. ; Jeanloz, R. (2010) Postcotunnite phase of the intermetallic compound AuIn₂ at high pressure Physical Review B, 82 (6). pp. 064112_1-064112_6. ISSN 0163-1829

Modak, P. ; Verma, A. K. ; Rao, R. S. ; Godwal, B. K. ; Stixrude, L. ; Jeanloz, R. (2007) Stability of the hcp phase and temperature variation of the axial ratio of iron near earth-core conditions Journal of Physics: Condensed Matter, 19 (1). pp. 016208_1-016208_9. ISSN 0953-8984

Shukla, Mayank ; Kashyap, Yogesh ; Sarkar, P. S. ; Sinha, A. ; Pant, H. C. ; Rao, R. S. ; Gupta, N. K. ; Senecha, V. K. ; Godwal, B. K. (2006) Laser induced shock pressure multiplication in multi layer thin foil targets Nuclear Fusion, 46 (4). pp. 419-431. ISSN 0029-5515

Verma, A. K. ; Modak, P. ; Gaitonde, D. M. ; Rao, R. S. ; Godwal, B. K. ; Gupta, L. C. (2005) Th₃Ni₂B₂N₃ a possible new superconducting compound: insights from electronic band structure Solid State Communications, 134 (5). pp. 329-332. ISSN 0038-1098

Godwal, B. K. ; Rao, R. S. ; Chidambaram, R. (2004) Cluster-disordered glue model and role of glue atoms in the icosahedral quasicrystalline structure Journal of Non-Crystalline Solids, 334-335 . pp. 117-120. ISSN 0022-3093

Teredesai, Pallavi ; Muthu, D. V. S. ; Chandrabhas, N. ; Meenakshi, S. ; Vijayakumar, V. ; Modak, P. ; Rao, R. S. ; Godwal, B. K. ; Sikka, S. K. ; Sood, A. K. (2004) High pressure phase transition in metallic LaB₆: raman and X-ray diffraction studies Solid State Communications, 129 (12). pp. 791-796. ISSN 0038-1098

Verma, A. K. ; Modak, P. ; Gaitonde, D. M. ; Rao, R. S. ; Godwal, B. K. ; Gupta, L. C. (2003) Possible high-temperature superconductivity in hole-doped MgB₂C₂ Europhysics Letters, 63 (5). pp. 743-749. ISSN 0295-5075

Verma, A. K. ; Ravindran, P. ; Rao, R. S. ; Godwal, B. K. ; Jeanloz, R. (2003) On the stability of rhenium up to 1 TPa pressure against transition to the bcc structure Bulletin of Materials Science, 26 (1). pp. 183-187. ISSN 0250-4707

Gaitonde, D. M. ; Modak, P. ; Rao, R. S. ; Godwal, B. K. (2003) Electronic structure and superconductivity of MgB₂ Bulletin of Materials Science, 26 (1). pp. 137-141. ISSN 0250-4707

Garg, Alka B. ; Godwal, B. K. ; Meenakshi, S. ; Modak, P. ; Rao, R. S. ; Sikka, S. K. ; Vijayakumar, V. ; Lausi, A. ; Bussetto, E. (2002) Electronic topological transition in AuX₂ (X = In, Ga and Al) compounds at high pressures Journal of Physics: Condensed Matter, 14 (44). pp. 10605-10608. ISSN 0953-8984

Pant, H. C. ; Shukla, M. ; Senecha, V. K. ; Bandyopadhyay, S. ; Rai, V. N. ; Khare, P. ; Bhat, R. K. ; Gupta, N. K. ; Godwal, B. K. (2002) Laser driven shock wave experiments for equation of state studies at megabar pressures Journal of Physics: Condensed Matter, 14 (44). pp. 10787-10792. ISSN 0953-8984

Modak, P. ; Rao, R. S. ; Godwal, B. K. (2002) On the high pressure axial ratio anomaly in zinc and the roles of temperature and different electronic topological transitions Journal of Physics: Condensed Matter, 14 (44). pp. 10927-10930. ISSN 0953-8984

Garg, Alka B. ; Vijayakumar, V. ; Modak, P. ; Gaitonde, D. M. ; Rao, R. S. ; Godwal, B. K. ; Sikka, S. K. (2002) High-pressure resistance and equation-of-state anomalies in Zn: a possible Lifshitz transition Journal of Physics: Condensed Matter, 14 (38). pp. 8795-8802. ISSN 0953-8984

Modak, P. ; Rao, R. S. ; Godwal, B. K. ; Sikka, S. K. (2002) Electronic structure of MgB₂ Pramana - Journal of Physics, 58 (5-6). pp. 881-884. ISSN 0304-4289

Rao, Rekha ; Sakuntala, T. ; Godwal, B. K. (2002) Evidence for high-pressure polymorphism in resorcinol Physical Review B, 65 (5). pp. 054108_1-054108_8. ISSN 0163-1829

Gupta, N. K. ; Godwal, B. K. (2002) Effects of non-local thermodynamic equilibrium conditions on numerical simulations of inertial confinement fusion plasmas Pramana - Journal of Physics, 59 (1). pp. 33-51. ISSN 0304-4289

Godwal, B. K. ; Meenakshi, S. ; Modak, P. ; Rao, R. S. ; Sikka, S. K. ; Vijayakumar, V. ; Bussetto, E. ; Lausi, A. (2002) Evidence of a Lifshitz transition in the high-pressure behavior of the intermetallic compound AuIn₂ Physical Review B, 65 (14). pp. 14101_1-14101_4. ISSN 0163-1829

Rao, R. S. ; Modak, P. ; Godwal, B. K. (2001) Comment on "phonon anomaly in high-pressure Zn" Physical Review Letters, 87 (25). p. 259601_1. ISSN 0031-9007

Meenakshi, S. ; Vijayakumar, V. ; Godwal, B. K. ; Sikka, S. K. (2001) Synchrotron-based x-ray-diffraction study of the intermediate-high-pressure phase in the alloy In_0.25Sn_0.75 Physical Review B, 64 (21). pp. 212104_1-212104_4. ISSN 0163-1829

Sinha, Amar ; Garg, Alka B. ; Vijayakumar, V. ; Godwal, B. K. ; Sikka, S. K. (2001) A CCD based detector for quick detection of pressure induced phase transitions High Pressure Research, 21 (1). pp. 51-64. ISSN 0895-7959

Gupta, N. K. ; Godwal, B. K. (2001) Effects of various parameters on numerical simulations of inertial confinement fusion hohlraum and radiation hydrodynamics Laser and Particle Beams, 19 (2). pp. 259-265. ISSN 0263-0346

Vijayakumar, V. ; Garg, Alka B. ; Godwal, B. K. ; Sikka, S. K. (2001) Pressure induced phase transitions and equation of state of adamantane Journal of Physics: Condensed Matter, 13 (9). pp. 1961-1972. ISSN 0953-8984

Vijayakumar, V. ; Garg, Alka B. ; Godwal, B. K. ; Sikka, S. K. (2000) High-pressure phase transitions in adamantane Chemical Physics Letters, 330 (3-4). pp. 275-280. ISSN 0009-2614

Palanivel, B. ; Rao, R. S. ; Godwal, B. K. ; Sikka, S. K. (2000) On the relative stability of orthorhombic and hcp phases of beryllium at high pressures Journal of Physics: Condensed Matter, 12 (41). pp. 8831-8836. ISSN 0953-8984

Modak, P. ; Rao, R. S. ; Godwal, B. K. ; Chidambaram, R. (2000) Electronic structure study of the dependence of the pseudogap on the icosahedral cluster size and glue atoms Philosophical Magazine Part B: Physics of Condensed Matter. Electronics, Optical and Magnetic Properties, 80 (9). pp. 1681-1692. ISSN 0141-8637

Rao, Rekha ; Sakuntala, T. ; Deb, S. K. ; Roy, A. P. ; Vijaykumar, V. ; Godwal, B. K. ; Sikka, S. K. (2000) High pressure Raman scattering studies on adamantane Journal of Chemical Physics, 112 (15). pp. 6739-6744. ISSN 0021-9606

Rao, Rekha ; Sakuntala, T. ; Deb, S. K. ; Roy, A. P. ; Vijayakumar, V. ; Godwal, B. K. ; Sikka, S. K. (1999) High-pressure raman scattering studies on hexamethylenetetramine Chemical Physics Letters, 313 (5-6). pp. 749-754. ISSN 0009-2614

Godwal, B. K. (1999) Computational condensed matter physics Bulletin of Materials Science, 22 (5). pp. 877-884. ISSN 0250-4707

Rao, R. S. ; Modak, P. ; Godwal, B. K. ; Sikka, S. K. (1999) Stability of the pressure-induced orthorhombic phase of iron Physical Review B, 59 (21). pp. 13498-13500. ISSN 0163-1829

Godwal, B. K. ; Meenakshi, S. ; Vijayakumar, V. ; Rao, R. S. ; Ravindran, P. (1998) High pressure studies on YNi₂B₂C and LuNi₂B₂C: ADXRD, thermoelectric power, resistivity, and electronic structure Journal of Physics and Chemistry of Solids, 59 (10-12). pp. 2201-2204. ISSN 0022-3697

Meenakshi, S. ; Vijayakumar, V. ; Rao, R. S. ; Godwal, B. K. ; Sikka, S. K. ; Ravindran, P. ; Hossain, Z. ; Nagarajan, R. ; Gupta, L. C. ; Vijayaraghavan, R. (1998) High-pressure studies on YNi₂B₂C at room temperature Physical Review B, 58 (6). pp. 3377-3380. ISSN 0163-1829

Godwal, B. K. ; Meenakshi, S. ; Rao, R. S. ; Vijayakumar, V. (1998) c/a Anomalies, thermoelectric power and electronic topological transitions in Cd Journal of Physics and Chemistry of Solids, 59 (5). pp. 747-751. ISSN 0022-3697

Godwal, B. K. ; Jayaraman, A. ; Meenakshi, S. ; Rao, R. S. ; Sikka, S. K. ; Vijayakumar, V. (1998) Electronic topological and structural transition in AuIn₂ under pressure Physical Review B, 57 (2). pp. 773-776. ISSN 0163-1829

Godwal, B. K. ; Meenakshi, S. ; Rao, R. S. (1997) c/a Anomalies and electronic topological transitions in Cd Physical Review B, 56 (23). pp. 14871-14874. ISSN 0163-1829

Godwal, B. K. ; Sikka, S. K. ; Kaushik, T. C. (1997) Equation of state in laser shock simulations Laser and Particle Beams, 15 (3). pp. 353-365. ISSN 0263-0346

Meenakshi, S. ; Vijayakumar, V. ; Rao, R. S. ; Godwal, B. K. ; Sikka, S. K. ; Hossain, Z. ; Nagarajan, R. ; Gupta, L. C. ; Vijayaraghavan, R. (1996) High pressure study of borocarbide superconductor YNi₂B₂C at room temperature Physica B: Condensed Matter, 223-224 . pp. 93-95. ISSN 0921-4526

Meenakshi, S. ; Godwal, B. K. ; Rao, R. S. ; Vijayakumar, V. (1994) Tetragonal distortion and structural stability of indium at high pressures Physical Review B, 50 (10). pp. 6569-6572. ISSN 0163-1829

Rao, R. S. ; Godwal, B. K. ; Sikka, S. K. ; Chidambaram, R. (1994) Occupancy of central sites in the Zn₄₉Mg₃₂ quasicrystal from total-energy computations on its crystal approximant Physical Review B: Condensed Matter and Materials Physics, 50 (21). pp. 15632-15635. ISSN 1098-0121

Deb, S. K. ; Rekha, M. A. ; Roy, A. P. ; Vijayakumar, V. ; Meenakshi, S. ; Godwal, B. K. (1993) Raman-scattering study of high-pressure phase transition and amorphization of resorcinol Physical Review B, 47 (17). pp. 11491-11494. ISSN 0163-1829

Meenakshi, S. ; Vijayakumar, V. ; Godwal, B. K. ; Sikka, S. K. (1992) Distorted hcp structure of zinc under pressure Physical Review B, 46 (22). pp. 14359-14361. ISSN 0163-1829

Rao, R. S. ; Godwal, B. K. ; Sikka, S. K. (1992) Thorium: a 5f-band metal at ultrahigh pressures Physical Review B, 46 (9). pp. 5780-5782. ISSN 0163-1829

Godwal, B. K. ; Ng, A. ; Jeanloz, Raymond (1992) Gold under high pressure High Pressure Research, 10 (5-6). pp. 687-693. ISSN 0895-7959

Desai, Tara ; Godwal, B. K. ; Pant, H. C. (1992) Intense laser induced shock generation in gold targets High Pressure Research, 10 (5-6). pp. 743-746. ISSN 0895-7959

Sikka, S. K. ; Godwal, B. K. ; Rao, R. S. (1992) On the occurrence of b.c.c.-h.c.p. structural phase transition in Mo under pressure High Pressure Research, 10 (5-6). pp. 707-709. ISSN 0895-7959

Ng, A. ; Godwal, B. K. ; Waterman, J. ; DaSilva, L. ; Ashcroft, N. W. ; Jeanloz, R. (1991) Nonequilibrium shock behavior in quartz Physical Review B, 44 (10). pp. 4872-4876. ISSN 0163-1829

Jeanloz, Raymond ; Godwal, B. K. ; Meade, Charles (1991) Static strength and equation of state of rhenium at ultra-high pressures Nature, 349 . pp. 687-689. ISSN 0028-0836

Liu, Amy Y. ; Garca, Alberto ; Cohen, Marvin L. ; Godwal, B. K. ; Jeanloz, Raymond (1991) Theory of high-pressure phases of Pb Physical Review B, 43 (2). pp. 1795-1798. ISSN 0163-1829

Godwal, B. K. ; Meade, Charles ; Jeanloz, Raymond ; Garcia, Alberto ; Liu, Amy Y. ; Cohen, Marvin L. (1990) Ultrahigh-pressure melting of lead: a multidisciplinary study Science, 248 (4954). pp. 462-465. ISSN 0036-8075

Godwal, B. K. ; Jeanloz, Raymond (1990) Pressure-induced s→d transfer and the equation of state of molybdenum Physical Review B, 41 (11). pp. 7440-7445. ISSN 0163-1829

Godwal, B. K. ; Ng, A. ; Dasilva, L. (1990) Shock melting and Hugoniot calculations for gold Physics Letters A, 144 (1). pp. 26-30. ISSN 0375-9601

Godwal, B. K. ; Jeanloz, Raymond (1989) First-principles equation of state of gold Physical Review B, 40 (11). pp. 7501-7507. ISSN 0163-1829

Godwal, B. K. ; Ng, A. ; Da Silva, L. ; Lee, Y. T. ; Liberman, D. A. (1989) K-shell photoabsorption edge of a dense aluminum plasma Physical Review A, 40 (8). pp. 4521-4526. ISSN 1050-2947

Ng, A. ; Chiu, G. ; DaSilva, L. ; Godwal, B. K. ; Cottet, F. (1989) Laser-produced shock waves in aluminum-gold targets for the study of hugoniot melting in gold Optics Communications, 72 (5). pp. 297-301. ISSN 0030-4018

DaSilva, L. ; Ng, A. ; Godwal, B. K. ; Chiu, G. ; Cottet, F. ; Richardson, M. C. ; Jaanimagi, P. A. ; Lee, Y. T. (1989) Shock-induced shifts in the aluminum K photoabsorption edge Physical Review Letters, 62 (14). pp. 1623-1626. ISSN 0031-9007

Godwal, B. K. ; Shirsat, T. S. ; Pant, H. C. (1989) Laser-induced ablation pressure in thin gold foils Journal of Applied Physics, 65 (12). pp. 4608-4611. ISSN 0021-8979

Vijayakumar, V. ; Godwal, B. K. ; Sikka, S. K. ; Chidambaram, R. (1988) On the nature of the dhcp to fcc transition under pressure in Pr and Pr-Th alloys Pramana - Journal of Physics, 31 (6). pp. 519-522. ISSN 0304-4289

Kaushik, T. C. ; Godwal, B. K. (1988) Numerical study of the impedance mismatch effect in laser-irradiated layered targets Journal of Applied Physics, 64 (10). pp. 4889-4895. ISSN 0021-8979

Kaushik, T. C. ; Godwal, B. K. (1987) Laser-driven shock pressure enhancement in plane-layered CH₂-Pt targets Physical Review A, 36 (10). pp. 5095-5098. ISSN 1050-2947

Chaddah, P. ; Gopalakrishnan, I. K. ; Yakhmi, J. V. ; Godwal, B. K. (1987) Superconductivity in shocked Cu₂Mo₆S₈ Physical Review B, 36 (7). pp. 3941-3943. ISSN 0163-1829

Sikka, S. K. ; Godwal, B. K. (1987) Simple method to estimate pressure of narrow full core levels Physical Review B, 35 (3). pp. 1446-1447. ISSN 0163-1829

Godwal, B. K. ; Vijayakumar, V. ; Sikka, S. K. ; Chidambaram, R. (1986) AlB₂ to Laves phase transition in ThAl₂ under pressure Physica B+C, 144 (1). pp. 44-47. ISSN 0378-4363

Godwal, B. K. ; Vijayakumar, V. (1986) High pressure electrical resistance behaviour of Pr and Pr-Th alloys Phase Transitions, 8 (1). p. 71. ISSN 0141-1594

Godwal, B. K. ; Sikka, S. K. ; Chidambaram, R. (1986) s→d electron transfer and equation of state of Ti, Zr and Hf by linear muffin tin orbital method Phase Transitions, 8 (1). p. 70. ISSN 0141-1594

Godwal, B. K. ; Vijaykumar, V. ; Sikka, S. K. ; Chidambaram, R. (1986) Pressure-induced AlB₂ to MgCu₂-type structural transition in ThAl₂ Journal of Physics F: Metal Physics, 16 (10). pp. 1415-1418. ISSN 0305-4608

Vijayakumar, V. ; Sikka, S. K. ; Godwal, B. K. ; Chidambaram, R. (1986) Isostructural electronic anomaly in La and La-Th alloys Physica B+C, 139-140 . pp. 407-409. ISSN 0378-4363

Sikka, S. K. ; Godwal, B. K. ; Chidambaram, R. (1985) Band theory analysis of shock velocity-particle velocity relations for metals Bulletin of Materials Science, 7 (3-4). pp. 377-386. ISSN 0250-4707

Vijayakumar, V. ; Godwal, B. K. ; Sikka, S. K. (1985) Isostructural electronic anomaly in La and La-Th alloys at high pressures Physical Review B, 32 (6). pp. 4212-4213. ISSN 0163-1829

Sikka, S. K. ; Godwal, B. K. ; Vijayakumar, V. (1985) Distorted fcc high pressure phase of rare earths in La_0.8Th_0.2 alloy at ambient conditions - thcp versus modulated hexagonal structure Physics Letters A, 108 (2). pp. 83-84. ISSN 0375-9601

Vohra, Y. K. ; Vijayakumar, V. ; Godwal, B. K. ; Sikka, S. K. (1984) Structure of the distorted fcc high-pressure phase of the trivalent rare-earth metals Physical Review B, 30 (10). pp. 6205-6207. ISSN 0163-1829

Vijayakumar, V. ; Godwal, B. K. ; Vohra, Y. K. ; Sikka, S. K. ; Chidambaram, R. (1984) On the high-pressure phase transition in beryllium metal Journal of Physics F: Metal Physics, 14 (5). pp. L65-L68. ISSN 0305-4608

Vohra, Y. K. ; Vijayakumar, V. ; Godwal, B. K. ; Sikka, S. K. ; Chidambaram, R. (1984) Some high-pressure X-ray diffraction studies using beryllium gasketing on a diffractometer with rotating anode X-ray source Review of Scientific Instruments, 55 (10). p. 1593. ISSN 0034-6748

Godwal, B. K. ; Sikka, S. K. ; Chidambaram, R. (1983) Equation of state theories of condensed matter up to about 10 TPa Physics Reports, 102 (3). pp. 121-197. ISSN 0370-1573

Godwal, B. K. (1983) Valence charge in a solid at 0 K viewed as a pressure-ionization effect Physical Review A, 28 (2). pp. 1103-1107. ISSN 1050-2947

Godwal, B. K. (1982) Volume variation of nuclear gruneisen parameter for equation of state studies Pramana - Journal of Physics, 19 (3). pp. 225-229. ISSN 0304-4289

Godwal, B. K. ; Sikka, S. K. (1982) Shock hugoniot equation of state of thorium Journal of Physics F: Metal Physics, 12 (4). pp. 655-660. ISSN 0305-4608

Sikka, S. K. ; Godwal, B. K. (1981) The limiting compression in single shocks for sp metals Solid State Communications, 38 (10). pp. 949-951. ISSN 0038-1098

Godwal, B. K. ; Sikka, S. K. ; Chidambaram, R. (1981) Model for the equation of state of condensed matter in the "intermediate" pressure (about 0.5-10 TPa) region Physical Review Letters, 47 (16). pp. 1144-1147. ISSN 0031-9007

Godwal, B. K. (1980) Electronic thermal gruneisen parameters for elements with high atomic numbers Journal of Physics F: Metal Physics, 10 (3). pp. 377-382. ISSN 0305-4608

Godwal, B. K. (1979) X-ray transport in a Ni plasma Physics Letters A, 71 (1). pp. 57-60. ISSN 0375-9601

Godwal, B. K. ; Sikka, S. K. ; Chidambaram, R. (1979) Electronic Grüneisen parameter in the shock Hugoniot equation of state of aluminum Physical Review B: Condensed Matter and Materials Physics, 20 (6). pp. 2362-2365. ISSN 1098-0121

Godwal, B. K. ; Sikka, S. K. (1978) Opacities of high temperature high Z plasmas Pramana - Journal of Physics, 11 (1). pp. 47-53. ISSN 0304-4289

Godwal, B. K. ; Sikka, S. K. (1977) Saha's ionization equation for high Z elements Pramana - Journal of Physics, 8 (3). pp. 217-222. ISSN 0304-4289