First and second order Raman scattering in GaP to 128 kbar |
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| Authors: | BA Weinstein GJ Piermarini |
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| Institution: | National Bureau of Standards, Washington, D.C. 20234, USA |
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| Abstract: | One- and two-phonon room temperature Raman spectra of GaP were measured to 128 kbar using a diamond-anvil pressure cell. Linear and quadratic pressure coefficients were determined for phonons at Γ, L, (X→K), and Σ. The results suggest possible “soft” mode behavior for TA(L) and TA(X→K) phonons. |
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