Ultraviolet photoelectron spectra of Lu atoms encapsulated C 2v-C82 fullerenes

Takafumi Miyazaki; Ryouhei Sumii; Hisashi Umemoto; Haruya Okimoto; Toshiki Sugai; Hisanori Shinohara; Shoujun Hino

doi:10.1016/j.cplett.2012.11.069

Ultraviolet photoelectron spectra of Lu atoms encapsulated C _2v-C₈₂ fullerenes

Takafumi Miyazaki
, Ryouhei Sumii
, Hisashi Umemoto
, Haruya Okimoto
, Toshiki Sugai
, Hisanori Shinohara
, Shoujun Hino

研究成果 › 査読

6 被引用数 (Scopus)

抄録

Ultraviolet photoelectron spectra of Lu@C₈₂(I), Lu ₂@C₈₂(II) and Lu₂C₂@C ₈₂(II) were measured. The spectral onsets (E_onset) of these fullerenes indicate their semi-conductive nature. While their deeper valence band UPS derived from the σ-electrons of C₈₂ cage are almost identical, the upper valence band UPS of Lu@C₈₂(I) is significantly different from those of Lu₂@C₈₂(II) and Lu₂C₂@C₈₂(II). Lu4f_7/2 and Lu4f _5/2 levels are observed in the UPS, which could be the first finding of the inner levels derived from the encapsulated species. These levels deviate slightly when encapsulated species change, which could be due to the difference in the amounts of electrons on Lu atom(s).

本文言語	English
ページ（範囲）	222-225
ページ数	4
ジャーナル	Chemical Physics Letters
巻	555
DOI	https://doi.org/10.1016/j.cplett.2012.11.069
出版ステータス	Published - 1月 3 2013
外部発表	はい

ASJC Scopus subject areas

物理学および天文学一般
物理化学および理論化学

文献へのアクセス

10.1016/j.cplett.2012.11.069

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引用スタイル

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title = "Ultraviolet photoelectron spectra of Lu atoms encapsulated C 2v-C82 fullerenes",

abstract = "Ultraviolet photoelectron spectra of Lu@C82(I), Lu 2@C82(II) and Lu2C2@C 82(II) were measured. The spectral onsets (Eonset) of these fullerenes indicate their semi-conductive nature. While their deeper valence band UPS derived from the σ-electrons of C82 cage are almost identical, the upper valence band UPS of Lu@C82(I) is significantly different from those of Lu2@C82(II) and Lu2C2@C82(II). Lu4f7/2 and Lu4f 5/2 levels are observed in the UPS, which could be the first finding of the inner levels derived from the encapsulated species. These levels deviate slightly when encapsulated species change, which could be due to the difference in the amounts of electrons on Lu atom(s).",

author = "Takafumi Miyazaki and Ryouhei Sumii and Hisashi Umemoto and Haruya Okimoto and Toshiki Sugai and Hisanori Shinohara and Shoujun Hino",

note = "Funding Information: This study was conduced as part of a Joint Research Program of UVSOR, Institute for Molecular Science. This work was supported by a Grant-in Aid for Basic Scientific Research (Grant No. 24550026 ) from the Ministry of Education, Science, Sports, and Culture, Japan . This work is also supported by a Subsidy to Create Center of Excellence from Ehime University.",

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AU - Miyazaki, Takafumi

AU - Sumii, Ryouhei

AU - Umemoto, Hisashi

AU - Okimoto, Haruya

AU - Sugai, Toshiki

AU - Shinohara, Hisanori

AU - Hino, Shoujun

N1 - Funding Information: This study was conduced as part of a Joint Research Program of UVSOR, Institute for Molecular Science. This work was supported by a Grant-in Aid for Basic Scientific Research (Grant No. 24550026 ) from the Ministry of Education, Science, Sports, and Culture, Japan . This work is also supported by a Subsidy to Create Center of Excellence from Ehime University.

PY - 2013/1/3

Y1 - 2013/1/3

N2 - Ultraviolet photoelectron spectra of Lu@C82(I), Lu 2@C82(II) and Lu2C2@C 82(II) were measured. The spectral onsets (Eonset) of these fullerenes indicate their semi-conductive nature. While their deeper valence band UPS derived from the σ-electrons of C82 cage are almost identical, the upper valence band UPS of Lu@C82(I) is significantly different from those of Lu2@C82(II) and Lu2C2@C82(II). Lu4f7/2 and Lu4f 5/2 levels are observed in the UPS, which could be the first finding of the inner levels derived from the encapsulated species. These levels deviate slightly when encapsulated species change, which could be due to the difference in the amounts of electrons on Lu atom(s).

AB - Ultraviolet photoelectron spectra of Lu@C82(I), Lu 2@C82(II) and Lu2C2@C 82(II) were measured. The spectral onsets (Eonset) of these fullerenes indicate their semi-conductive nature. While their deeper valence band UPS derived from the σ-electrons of C82 cage are almost identical, the upper valence band UPS of Lu@C82(I) is significantly different from those of Lu2@C82(II) and Lu2C2@C82(II). Lu4f7/2 and Lu4f 5/2 levels are observed in the UPS, which could be the first finding of the inner levels derived from the encapsulated species. These levels deviate slightly when encapsulated species change, which could be due to the difference in the amounts of electrons on Lu atom(s).

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