Abstract
MOLYBDENUM disulphide has until recently been reported as having a melting point1 of 1,185° C. In 1956, however, Zelikman and Belyaevskaya2 reported that samples of molybdenum sulphide did not melt at temperatures up to 1,350°, and only those which had been heated to temperatures in excess of 1,650° C. showed any (microscopic) signs of melting. The purpose of the present communication is to report experiments made in connexion with the preparation of clean molybdenum disulphide surfaces, which are relevant to the question of the melting point of the material.
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References
Lange's “Handbook of Chemistry”, 6th edit., 222 (Handbook Pub., Inc., Sandusky, Ohio). “Handbook of Chemistry and Physics”, 35th edit., 553 (Chemical Rubber Pub. Co., Cleveland, Ohio). Original source, Cusack, Proc. Roy. Irish. Acad., 4, 399 (1897).
Zelikman, A. N., and Belyaevskaya, L. V., Zh. Neorg. Khim., 1, 2239 (1956).
Joly, J., Phil. Mag., 27, 7 (1914).
See, for several examples of this rule, Gregg, “Active Solids”, “Surface Phenomena in Chemistry and Biology”, edit. by Danielli et al., 205 (Pergamon Press, 1958).
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CANNON, P. Melting Point and Sublimation of Molybdenum Disulphide. Nature 183, 1612–1613 (1959). https://doi.org/10.1038/1831612a0
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DOI: https://doi.org/10.1038/1831612a0
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