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A new high-pressure phase has been found in GaSb. This phase is observed at room temperature after heating samples to {~}473 K from the Imma phase taken above {~}20 GPa. The structure is face-centered orthorhombic with Ammm symmetry and as for the previously observed high-pressure phases in GaSb, it is site-disordered.
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Vanpeteghem et al. (2001) studied this question.
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