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Volumn 66, Issue 14, 2002, Pages 1442041-1442049

Minimal model of the phonon-phason dynamics in icosahedral quasicrystals and its application to the problem of internal friction in the i-AlPdMn alloy

Author keywords

[No Author keywords available]

Indexed keywords

ALLOY; MANGANESE;

EID: 8844240103     PISSN: 01631829     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article
Times cited : (79)

References (32)
  • 5
    • 0000905409 scopus 로고
    • edited by M.V. Jaric (Academic Press, Boston)
    • T.C. Lubensky, in Introduction to Quasicrystals, edited by M.V. Jaric (Academic Press, Boston, 1988), p. 200.
    • (1988) Introduction to Quasicrystals , pp. 200
    • Lubensky, T.C.1
  • 16
    • 0000594551 scopus 로고
    • Sov. Phys. JETP 57, 439 (1983)
    • V.G. Karpov, M.I. Klinger, and F.N. Ignat'ev, Zh. Éksp. Teor. Fiz. 84, 760 (1983) [Sov. Phys. JETP 57, 439 (1983)]; M.A. Il'in, V.G. Karpov, and D.A. Parshin, ibid. 92, 291 (1987) [65, 165 (1987)].
    • (1983) Zh. Éksp. Teor. Fiz. , vol.84 , pp. 760
    • Karpov, V.G.1    Klinger, M.I.2    Ignat'ev, F.N.3
  • 17
    • 0000396595 scopus 로고
    • 65, 165 (1987)
    • V.G. Karpov, M.I. Klinger, and F.N. Ignat'ev, Zh. Éksp. Teor. Fiz. 84, 760 (1983) [Sov. Phys. JETP 57, 439 (1983)]; M.A. Il'in, V.G. Karpov, and D.A. Parshin, ibid. 92, 291 (1987) [65, 165 (1987)].
    • (1987) Zh. Éksp. Teor. Fiz. , vol.92 , pp. 291
    • Il'in, M.A.1    Karpov, V.G.2    Parshin, D.A.3
  • 18
    • 33744595983 scopus 로고    scopus 로고
    • note
    • In Ref. 7 the nonpropagating phason modes are considered as not frozen at low temperature. This approach results in a slight increase of the acoustic-mode contribution to the vibrational density of states at low frequencies if the phonon-phason coupling is taken into account. But in our opinion this effect is too weak to explain the value of the vibrational part of the low-temperature heat capacity. Moreover, according to all experimental results known to us the collective phason modes at low temperature are frozen and the corresponding phason kinetic coefficient should tend to zero.
  • 32
    • 33744571634 scopus 로고    scopus 로고
    • note
    • s is much greater than the other terms in the element (2, 2) of matrix (10). Nevertheless in the present consideration, we neglect the pinning effect, since usually in incommensurate crystals it does not occur in the high-temperature limit.


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