Boron: Another Form

@article{Wentorf1965BoronAF,
  title={Boron: Another Form},
  author={R. H. Wentorf},
  journal={Science},
  year={1965},
  volume={147},
  pages={49 - 50}
}
A hitherto undescribed form of boron can be prepared by subjecting ordinary forms of boron to pressures exceeding about 100 kilobars and temperatures between about 1500� to 2000�C. The new form has a density of about 2.52 g/cm3 and yields a characteristic DeBye-Scherrer pattern. No large crystals have been prepared. 
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Topics from this paper

Synthesis of an orthorhombic high pressure boron phase
New high-pressure form of boron is significantly ionic
High-pressure route to superhard boron-rich solids
Superhard semiconducting optically transparent high pressure phase of boron.
Borides and boranes
The Beta-Rhombohedral Boron Structure
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References

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Plenum Press, New York, 1960)
  • J. Am. Chem. Soc. 82,
  • 1960
DeBye-Scherrer Card No. 11-618; see also D. E. Sands and J. L. Hoard
  • J. Am. Chem. Soc
  • 1957
RHOMBOHEDRAL ELEMENTAL BORON
DeCarlo for preparing many DeBye-Scherrer x-ray patterns