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Volumn 106, Issue 7, 1997, Pages 2893-2905

Modeling orientational randomization in zeolites: A new probe of intracage mobility, diffusion and cation disorder

Author keywords

[No Author keywords available]

Indexed keywords


EID: 0001319395     PISSN: 00219606     EISSN: None     Source Type: Journal    
DOI: 10.1063/1.473352     Document Type: Article
Times cited : (44)

References (46)
  • 2
    • 0002560459 scopus 로고
    • edited by G. Olhmann, J. C. Vedrine, and P. A. Jacobs Elsevier, Amsterdam
    • J. Weitkamp, in Catalysis and Adsorption by Zeolites, edited by G. Olhmann, J. C. Vedrine, and P. A. Jacobs (Elsevier, Amsterdam, 1991), p. 21.
    • (1991) Catalysis and Adsorption by Zeolites , pp. 21
    • Weitkamp, J.1
  • 3
    • 0003017561 scopus 로고
    • Zeolites
    • edited by A. K. Cheetham and P. Day Oxford University Press, Oxford
    • J. M. Newsam, "Zeolites," in Solid State Chemistry: Compounds, edited by A. K. Cheetham and P. Day (Oxford University Press, Oxford, 1992), pp. 234-280.
    • (1992) Solid State Chemistry: Compounds , pp. 234-280
    • Newsam, J.M.1
  • 20
    • 85033303028 scopus 로고    scopus 로고
    • note
    • Here we have assumed an axially symmetric coupling tensor, which is exact for C-H bonds and an excellent approximation for C-D bonds.
  • 26
    • 85033303062 scopus 로고    scopus 로고
    • note
    • Off-diagonal intensity can also arise from, e.g., dipole-dipole interactions generating magnetization transfer between different resonance frequencies without molecular jumping, i.e., spin diffusion. For an experimental discussion of this effect, see Ref. 25.
  • 31
    • 5644235671 scopus 로고
    • Ph.D. thesis, Oxford University
    • M. M. Eddy, Ph.D. thesis, Oxford University, 1985.
    • (1985)
    • Eddy, M.M.1
  • 36
    • 85033315383 scopus 로고    scopus 로고
    • note
    • This analysis ignores charge-quadrupolar anisotropy, and as such provides an orientationally averaged error estimate.
  • 40
    • 85033314447 scopus 로고    scopus 로고
    • private communication
    • J. Kärger (private communication).
    • Kärger, J.1
  • 44
    • 85033277836 scopus 로고    scopus 로고
    • note
    • 11 site per supercage. These motions, however, give relatively limited BOR and have been ignored for simplicity.
  • 46
    • 5644286526 scopus 로고    scopus 로고
    • Ph.D. thesis, Oxford University
    • N. J. Henson, Ph.D. thesis, Oxford University, 1996.
    • (1996)
    • Henson, N.J.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.