Transformation of Cubic Boron Nitride to a Graphitic Form of Hexagonal Boron Nitride

Details Transformation of Cubic Boron Nitride to a Graphitic Form of Hexagonal Boron Nitride Transformation of Cubic Boron Nitride to a Graphitic Form of Hexagonal Boron Nitride

Aug 1959

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1959natur.184..715m&link_type=abstract

Nature, Volume 184, Issue 4687, pp. 715 (1959).

Computer Science

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Scientific paper

R. H. WENTORF1 has reported that a fragment of borazon (synthetic cubic boron nitride) was twice heated to over 2000°C. in vacuo without change. Dr. Wentorf was kind enough to supply us with some small specimens, both black and yellow. Some of these, which gave random-rotation X-ray photographs showing them to be twins (only two nearly single crystals were found), we heated in graphite specimen holders in a high-frequency vacuum furnace (10-5 cm. mercury) in a series of experiments to compare their behaviour with that of diamonds of various kinds. Table 1 shows the effects given by subsequent X-ray powder photographs.

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