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Studies on X-ray diffraction and Raman spectra of B-doped natural graphite

✍ Scribed by T. Hagio; M. Nakamizo; K. Kobayashi

Publisher: Elsevier Science
Year: 1989
Tongue: English
Weight: 491 KB
Volume: 27
Category: Article
ISSN: 0008-6223
DOI: 10.1016/0008-6223(89)90132-2

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✦ Synopsis

The structure of B-doped natural graphite has been investigated using X-ray diffra~ion and Raman scattering methods. The B-doped graphite has crystai lattice parameters different from those of pristine graphite. The a-axis is elongated and the c-axis contracted by B doping. Furthermore, B doping induces both an increase in intensity of the 1360 cm-' Raman band and the appearance of a new Raman band at 1620 cm-l, accompanied by a gradual shift of the 1580 cm-' Raman band to a higher frequency. It appeared that boron doping introduces a local distortion around substitutional B atoms within the graphite layer planes.

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