Structure of La2 @ C80 studied by la K-edge XAFS

Y. Kubozono; Y. Takabayashi; S. Kashino; M. Kondo; T. Wakahara; T. Akasaka; K. Kobayashi; S. Nagase; S. Emura; K. Yamamoto

doi:10.1016/S0009-2614(01)00048-3

Structure of La₂ @ C₈₀ studied by la K-edge XAFS

Y. Kubozono, Y. Takabayashi, S. Kashino, M. Kondo, T. Wakahara, T. Akasaka, K. Kobayashi, S. Nagase, S. Emura, K. Yamamoto

Research Institute for Interdisciplinary Science

Research output: Contribution to journal › Article › peer-review

22 Citations (Scopus)

Abstract

The structure of La₂@C₈₀ is studied by La K-edge XAFS from 40 to 295 K. The distances between the La atom and the first nearest C atoms have been determined to be 2.42(1) Å at 40 K and 2.44(2) Å at 295 K, and those between the La atom and the second nearest C atoms to be 2.97(2) Å at 40 K and 2.98(3) Å at 295 K. The La-La distance has been determined to be 3.90(1) Å at 40 K and 3.88(2) Å at 295 K. The temperature dependence of the mean-square displacement of La-C is also studied to get an insight into the dynamical behavior of two La atoms in the C₈₀ cage.

Original language	English
Pages (from-to)	163-169
Number of pages	7
Journal	Chemical Physics Letters
Volume	335
Issue number	3-4
DOIs	https://doi.org/10.1016/S0009-2614(01)00048-3
Publication status	Published - Feb 23 2001

ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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@article{8fac1631ae264e01b26d9fee98ee83ca,

title = "Structure of La2 @ C80 studied by la K-edge XAFS",

abstract = "The structure of La2@C80 is studied by La K-edge XAFS from 40 to 295 K. The distances between the La atom and the first nearest C atoms have been determined to be 2.42(1) {\AA} at 40 K and 2.44(2) {\AA} at 295 K, and those between the La atom and the second nearest C atoms to be 2.97(2) {\AA} at 40 K and 2.98(3) {\AA} at 295 K. The La-La distance has been determined to be 3.90(1) {\AA} at 40 K and 3.88(2) {\AA} at 295 K. The temperature dependence of the mean-square displacement of La-C is also studied to get an insight into the dynamical behavior of two La atoms in the C80 cage.",

author = "Y. Kubozono and Y. Takabayashi and S. Kashino and M. Kondo and T. Wakahara and T. Akasaka and K. Kobayashi and S. Nagase and S. Emura and K. Yamamoto",

note = "Funding Information: The authors thank Dr. Tomoya Uruga of JASRI for his valuable suggestions concerning XAFS and XANES measurements. They are also grateful to Dr. Takashi Yamamoto of Kyoto University for his valuable discussion on XANES and to Dr. Osamu Kamishima of Tohoku University for his valuable suggestion on XAFS analysis. Further, they are indebted to Prof. Tadao Ishii of Okayama University for his valuable discussion on thermal behavior estimated from XAFS. This work was achieved under a proposal of SPring-8 (1999B0331-NX) and was supported by a Grant-in-Aid (11165227) from the Ministry of Education, Science, Sports and Culture, Japan.",

year = "2001",

month = feb,

day = "23",

doi = "10.1016/S0009-2614(01)00048-3",

language = "English",

volume = "335",

pages = "163--169",

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TY - JOUR

T1 - Structure of La2 @ C80 studied by la K-edge XAFS

AU - Kubozono, Y.

AU - Takabayashi, Y.

AU - Kashino, S.

AU - Kondo, M.

AU - Wakahara, T.

AU - Akasaka, T.

AU - Kobayashi, K.

AU - Nagase, S.

AU - Emura, S.

AU - Yamamoto, K.

N1 - Funding Information: The authors thank Dr. Tomoya Uruga of JASRI for his valuable suggestions concerning XAFS and XANES measurements. They are also grateful to Dr. Takashi Yamamoto of Kyoto University for his valuable discussion on XANES and to Dr. Osamu Kamishima of Tohoku University for his valuable suggestion on XAFS analysis. Further, they are indebted to Prof. Tadao Ishii of Okayama University for his valuable discussion on thermal behavior estimated from XAFS. This work was achieved under a proposal of SPring-8 (1999B0331-NX) and was supported by a Grant-in-Aid (11165227) from the Ministry of Education, Science, Sports and Culture, Japan.

PY - 2001/2/23

Y1 - 2001/2/23

N2 - The structure of La2@C80 is studied by La K-edge XAFS from 40 to 295 K. The distances between the La atom and the first nearest C atoms have been determined to be 2.42(1) Å at 40 K and 2.44(2) Å at 295 K, and those between the La atom and the second nearest C atoms to be 2.97(2) Å at 40 K and 2.98(3) Å at 295 K. The La-La distance has been determined to be 3.90(1) Å at 40 K and 3.88(2) Å at 295 K. The temperature dependence of the mean-square displacement of La-C is also studied to get an insight into the dynamical behavior of two La atoms in the C80 cage.

AB - The structure of La2@C80 is studied by La K-edge XAFS from 40 to 295 K. The distances between the La atom and the first nearest C atoms have been determined to be 2.42(1) Å at 40 K and 2.44(2) Å at 295 K, and those between the La atom and the second nearest C atoms to be 2.97(2) Å at 40 K and 2.98(3) Å at 295 K. The La-La distance has been determined to be 3.90(1) Å at 40 K and 3.88(2) Å at 295 K. The temperature dependence of the mean-square displacement of La-C is also studied to get an insight into the dynamical behavior of two La atoms in the C80 cage.

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