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Prediction of the Pressure-Induced Phase Transition in GaAs by the Positron Affinity
Positron affinity phase transition band structure semiconductor
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2010/4/8
The thermalized positron charge distribution is calculated as a function of pressure variation in GaAs. Calculations have been carried out via the independent particle method (IPM) coupled with the em...
Pressure Induced Phase Transition in Monopnictides CeSb and LaSb
Phase transition volume collapse three-body potential
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2010/4/8
In the present paper, monopnictides of Ce and La, which crystallize in B1 structure, have been studied using effective interaction potential (EIP) approach. The phase transition pressure and volume co...
A pressure-induced phase transition in MgSiO3-rich garnet revealed by Raman spectroscopy
pressure-induced phase transition MgSiO3-rich garnet Raman spectroscopy
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2012/4/6
Raman spectra oftwo synthetic, noncubic garnet samples rich in MgSi03component weremeasuredin adiamond-anvil cellto 200kbar atroom temperature. Sample1was pure MgSi03majorite;sample 2wasa solid soluti...