INVESTIGATION OF STRUCTURE DEFECTS IN BORON PYRONITRIDE BY POSITRON ANNIHILATION AND X-RAY STRUCTURE ANALYSIS.

K. P. Aref'ev, O. B. Boev, S. A. Vorob'ev, G. A. Dergaleva, V. V. Lopatin, V. E. Prib, Yu P. Surov

Research output: Contribution to journalArticle

Abstract

X-ray structure analysis and positron annihilation were used in an investigation of polycrystalline mesographite pyrolytic boron nitride. Changes in the lattice period c were used to calculate the approximate dimensions of the loosely packed layers between grains. Estimates were obtained of the phenomenological annihilation parameters. These parameters were then used as the basis for suggesting that positronium states are localized in intergranular pores and to determine the size of these pores.

Original languageEnglish
Pages (from-to)1914-1916
Number of pages3
JournalSoviet Physics, Solid State (English translation of Fizika Tverdogo Tela)
Volume26
Issue number10
Publication statusPublished - Oct 1984

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Positron annihilation
Boron nitride
Defect structures
Boron
X rays

ASJC Scopus subject areas

  • Engineering(all)

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INVESTIGATION OF STRUCTURE DEFECTS IN BORON PYRONITRIDE BY POSITRON ANNIHILATION AND X-RAY STRUCTURE ANALYSIS. / Aref'ev, K. P.; Boev, O. B.; Vorob'ev, S. A.; Dergaleva, G. A.; Lopatin, V. V.; Prib, V. E.; Surov, Yu P.

In: Soviet Physics, Solid State (English translation of Fizika Tverdogo Tela), Vol. 26, No. 10, 10.1984, p. 1914-1916.

Research output: Contribution to journalArticle

Aref'ev, K. P. ; Boev, O. B. ; Vorob'ev, S. A. ; Dergaleva, G. A. ; Lopatin, V. V. ; Prib, V. E. ; Surov, Yu P. / INVESTIGATION OF STRUCTURE DEFECTS IN BORON PYRONITRIDE BY POSITRON ANNIHILATION AND X-RAY STRUCTURE ANALYSIS. In: Soviet Physics, Solid State (English translation of Fizika Tverdogo Tela). 1984 ; Vol. 26, No. 10. pp. 1914-1916.
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