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  Lattice parameter and Raman spectra of isotopically mixed diamond

Biernacki, S. W. (1997). Lattice parameter and Raman spectra of isotopically mixed diamond. Physical Review B, 56(18), 11472-11476. doi:10.1103/PhysRevB.56.11472.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0008-DF17-4 Version Permalink: https://hdl.handle.net/21.11116/0000-0008-DF1A-1
Genre: Journal Article

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PhysRevB.56.11472.pdf (Publisher version), 88KB
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1997
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Biernacki, S. W.1, 2, Author           
Affiliations:
1Institute of Physics, Polish Academy of Sciences, Aleja Lotnikow 32/46, PL-02-668 Warsaw, Poland, ou_persistent22              
2Theory, Fritz Haber Institute, Max Planck Society, ou_634547              

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 Abstract: The influence of isotope mass and anharmonicity on the lattice parameter of isotopically mixed diamond is studied in a simple theoretical model. The performed calculations confirm that in good approximation the lattice parameter changes linearly with the isotope concentration. We show that the stretching harmonic-force constants for pure 12C and 13C differ slightly and we explain why the Raman-frequency ratio is smaller than the square root of the ratio of the corresponding masses. Finally, the positive bowing of the Raman frequency in isotopically mixed diamond is discussed

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Language(s): eng - English
 Dates: 1997-04-141997-11-01
 Publication Status: Issued
 Pages: 5
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevB.56.11472
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Title: Physical Review B
  Abbreviation : Phys. Rev. B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: 5 Volume / Issue: 56 (18) Sequence Number: - Start / End Page: 11472 - 11476 Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008