High-Pressure Polymorphs in the Silver Iodide Phase Diagram

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Science  23 Oct 1964:
Vol. 146, Issue 3643, pp. 519-521
DOI: 10.1126/science.146.3643.519


A good x-ray diffraction pattern has been obtained for the new phase of silver iodide stable in the vicinity of 3 kilobars at room temperature. A stability diagram of the six phases of silver iodide is presented to show the probable position of the narrow stability field of this phase. The x-ray diffraction data indicate that the cell symmetry of the new phase is probably orthorhombic.