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High Pressure Research, ISSN 0895-7959, 04/1990, Volume 3, Issue 1-6, pp. 233 - 235
High pressure Raman spectra of Melamine (C 3 H 6 N 6 ) have been studied up to 8.7 GPa. The pressure effect on Raman spectra reveals that the discrepancy... 
Raman spectra | high pressure | phase transition
Journal Article
Wear, ISSN 0043-1648, 1991, Volume 147, Issue 2, pp. 285 - 294
Inclusions which can initiate microcracks in bearing steels under rolling contact were detected before spalling occurred by a special technique. The critical... 
ROLLING-CONTACT | ENGINEERING, MECHANICAL | MATERIALS SCIENCE
Journal Article
Physics Letters A, ISSN 0375-9601, 07/1991, Volume 156, Issue 7-8, pp. 450 - 454
With use of diamond anvil Raman and emission spectral techniques, an irreversible phase transition has been observed from crystalline Bi Ge O to an amorphous... 
GAUGE | GROWTH | PHYSICS
Journal Article
Chinese Physics Letters, ISSN 0256-307X, 11/1992, Volume 9, Issue 11, pp. 589 - 592
Journal Article
Physics Letters A, ISSN 0375-9601, 1992, Volume 163, Issue 1, pp. 135 - 138
Journal Article
Optics Communications, ISSN 0030-4018, 1992, Volume 93, Issue 5, pp. 323 - 327
We discuss the results of experiments on the amplification of visible electromagnetic radiation without population inversion using sodium vapor as the active... 
BROADENED RESONANCES | DOUBLE-LAMBDA-SCHEME | NONLINEAR-THEORY | INTERFERENCE | MODEL | OPTICS | QUANTUM-BEAT LASER | RADIATION
Journal Article
Physics Letters A, ISSN 0375-9601, 03/1992, Volume 163, Issue 1-2, pp. 135 - 138
The low frequency Raman spectra of Bi Ti O have been investigated under hydrostatic pressure up to 9 GPa. A pressure induced soft mode phase transition occurs... 
BIVO4 | OPTICAL PHONON | PHYSICS
Journal Article
Physics Letters A, ISSN 0375-9601, 04/1993, Volume 175, Issue 3-4, pp. 246 - 251
The Raman spectra of Bi Ti O at non-hydrostatic pressure and Bi Ti Te O at hydrostatic pressure as well as at high temperature reveal that the soft mode phase... 
Journal Article
Fuhe Cailiao Xuebao/Acta Materiae Compositae Sinica, ISSN 1000-3851, 09/1993, Volume 10, Issue 3, pp. 37 - 42
Journal Article
Journal of Physics: Condensed Matter, ISSN 0953-8984, 08/1994, Volume 6, Issue 32, pp. 6543 - 6548
The Raman spectra for PbTiO3 of various grain sizes at different hydrostatic pressures have revealed that the soft E(1TO) phonon mode appears to undergo a red... 
PHYSICS, CONDENSED MATTER | MODES | SPECTRA | PHASE-TRANSITION
Journal Article
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