Simultaneous measurements of picosecond lattice and charge dynamics in Co-Fe cyanides

Yoshimitsu Fukuyama; Nobuhiro Yasuda; Hayato Kamioka; Jungeun Kim; Takayuki Shibata; Hitoshi Osawa; Takeshi Nakagawa; Haruno Murayama; Kenichi Kato; Yoshihito Tanaka; Shigeru Kimura; Takashi Ohshima; Hitoshi Tanaka; Masaki Takata; Yutaka Moritomo

doi:10.1143/APEX.3.016601

Simultaneous measurements of picosecond lattice and charge dynamics in Co-Fe cyanides

Yoshimitsu Fukuyama, Nobuhiro Yasuda, Hayato Kamioka, Jungeun Kim, Takayuki Shibata, Hitoshi Osawa, Takeshi Nakagawa, Haruno Murayama, Kenichi Kato, Yoshihito Tanaka, Shigeru Kimura, Takashi Ohshima, Hitoshi Tanaka, Masaki Takata, Yutaka Moritomo

SRIS - SR Core Research Division

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

4 Citations (Scopus)

Abstract

Simultaneous measurements of picosecond time-resolved synchrotron-radiation (SR) X-ray diffraction and femtosecond time-resolved visible absorption were performed at BL40XU beamline of SPring-8 on two films of Co-Fe cyanides, Na _0:77Co[Fe(CN)₆]_0:902.9H₂O (NCF90) and Na_0:16Co[Fe(CN)₆]_0:713.8H₂O (NCF71). The simultaneous measurements unambiguously revealed that the photoinduced charge transfer between the Co and Fe sites causes uniform volume expansion/contraction within 100 ps. The photoinduced lattice contraction observed in the NCF71 film can be interpreted in terms of the photoinduced formation of a hidden metastable phase.

Original language	English
Article number	016601
Journal	Applied Physics Express
Volume	3
Issue number	1
DOIs	https://doi.org/10.1143/APEX.3.016601
Publication status	Published - 2010 Jan

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title = "Simultaneous measurements of picosecond lattice and charge dynamics in Co-Fe cyanides",

abstract = "Simultaneous measurements of picosecond time-resolved synchrotron-radiation (SR) X-ray diffraction and femtosecond time-resolved visible absorption were performed at BL40XU beamline of SPring-8 on two films of Co-Fe cyanides, Na 0:77Co[Fe(CN)6]0:902.9H2O (NCF90) and Na0:16Co[Fe(CN)6]0:713.8H2O (NCF71). The simultaneous measurements unambiguously revealed that the photoinduced charge transfer between the Co and Fe sites causes uniform volume expansion/contraction within 100 ps. The photoinduced lattice contraction observed in the NCF71 film can be interpreted in terms of the photoinduced formation of a hidden metastable phase.",

author = "Yoshimitsu Fukuyama and Nobuhiro Yasuda and Hayato Kamioka and Jungeun Kim and Takayuki Shibata and Hitoshi Osawa and Takeshi Nakagawa and Haruno Murayama and Kenichi Kato and Yoshihito Tanaka and Shigeru Kimura and Takashi Ohshima and Hitoshi Tanaka and Masaki Takata and Yutaka Moritomo",

year = "2010",

month = jan,

doi = "10.1143/APEX.3.016601",

language = "English",

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journal = "Applied Physics Express",

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T1 - Simultaneous measurements of picosecond lattice and charge dynamics in Co-Fe cyanides

AU - Fukuyama, Yoshimitsu

AU - Yasuda, Nobuhiro

AU - Kamioka, Hayato

AU - Kim, Jungeun

AU - Shibata, Takayuki

AU - Osawa, Hitoshi

AU - Nakagawa, Takeshi

AU - Murayama, Haruno

AU - Kato, Kenichi

AU - Tanaka, Yoshihito

AU - Kimura, Shigeru

AU - Ohshima, Takashi

AU - Tanaka, Hitoshi

AU - Takata, Masaki

AU - Moritomo, Yutaka

PY - 2010/1

Y1 - 2010/1

N2 - Simultaneous measurements of picosecond time-resolved synchrotron-radiation (SR) X-ray diffraction and femtosecond time-resolved visible absorption were performed at BL40XU beamline of SPring-8 on two films of Co-Fe cyanides, Na 0:77Co[Fe(CN)6]0:902.9H2O (NCF90) and Na0:16Co[Fe(CN)6]0:713.8H2O (NCF71). The simultaneous measurements unambiguously revealed that the photoinduced charge transfer between the Co and Fe sites causes uniform volume expansion/contraction within 100 ps. The photoinduced lattice contraction observed in the NCF71 film can be interpreted in terms of the photoinduced formation of a hidden metastable phase.

AB - Simultaneous measurements of picosecond time-resolved synchrotron-radiation (SR) X-ray diffraction and femtosecond time-resolved visible absorption were performed at BL40XU beamline of SPring-8 on two films of Co-Fe cyanides, Na 0:77Co[Fe(CN)6]0:902.9H2O (NCF90) and Na0:16Co[Fe(CN)6]0:713.8H2O (NCF71). The simultaneous measurements unambiguously revealed that the photoinduced charge transfer between the Co and Fe sites causes uniform volume expansion/contraction within 100 ps. The photoinduced lattice contraction observed in the NCF71 film can be interpreted in terms of the photoinduced formation of a hidden metastable phase.

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Simultaneous measurements of picosecond lattice and charge dynamics in Co-Fe cyanides

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