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High pressure structural phase transition in AgGaTe2

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5 Author(s)
Qadri, S.B. ; Stanford Synchrotron Radiation Laboratory, Stanford, California 94305 ; Rek, Z. ; Webb, A.W. ; Skelton, E.F.
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From in situ diffraction measurements of synchrotron produced x radiation, we have found that AgGaTe2 transforms from the tetragonal, chalcopyrite structure to a face‐centered cubic structure at 4.0±0.5 GPa. The resistivity shows a minimum near this pressure, but the material retains its semiconducting nature.

Published in:

Journal of Applied Physics  (Volume:54 ,  Issue: 12 )