Volume compression of CuCl to 7 GPa |
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Authors: | S Usha Devi A K Singh |
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Institution: | (1) Materials Science Division, National Aeronautical Laboratory, 560 017 Bangalore, India |
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Abstract: | The unit cell volume of CuCl as a function of pressure has been measured up to 7 GPa (giga Pascals). The compression behaviour
is quite normal. The analysis of the compression data gives 40·3±1·5 GPa for the bulk modulus of the zinc blende phase. The
zinc blende phase transforms to a tetragonal phase at 5·5 GPa, the volume change associated with the transformation being
12%. A comparison of the bulk modulus of CuCl with those of CuBr and CuI indicates that an anomaly exists in this group. |
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Keywords: | High pressure cuprous chloride |
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