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  Charge Transfer Induced Multifunctional Transitions with Sensitive Pressure Manipulation in a Metal-Organic Framework

Yang, J., Zhou, L., Cheng, J., Hu, Z., Kuo, C., Pao, C.-W., et al. (2015). Charge Transfer Induced Multifunctional Transitions with Sensitive Pressure Manipulation in a Metal-Organic Framework. Inorganic Chemistry, 54(13), 6433-6438. doi:10.1021/acs.inorgchem.5b00739.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-5017-C Version Permalink: http://hdl.handle.net/21.11116/0000-0001-17BD-1
Genre: Journal Article

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 Creators:
Yang, Junye1, Author
Zhou, Long1, Author
Cheng, Jinguang1, Author
Hu, Zhiwei2, Author              
Kuo, Changyang3, Author              
Pao, Chih-Wen1, Author
Jang, Lingyun1, Author
Lee, Jyh-Fu1, Author
Dai, Jianhong1, Author
Zhang, Sijia1, Author
Feng, Shaomin1, Author
Kong, Panpan1, Author
Yuan, Zhen1, Author
Yuan, Jie1, Author
Uwatoko, Yoshiya1, Author
Liu, Tao1, Author
Jin, Changqing1, Author
Long, Youwen1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Zhiwei Hu, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863461              
3Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863445              

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 Abstract: The metal-organic framework {[Fe(2,2'-bipyridine)(CN)(4)](2)Co-(4,4'-bipyridine)}center dot 4H(2)O (Fe2Co-MOF) with single-chain magnetism undergoes an intermetallic charge transfer that converts the Fe2Co charge/spin configurations from Fe-LS(3+)-Co-HS(2+)-Fe-LS(3+) to Fe-LS(2+)-Co-LS(3+)-Fe-LS(3+) (LS = low spin, HS = high spin) around 220 K under ambient pressure. A series of coherent phase transitions in structure, magnetism, permittivity and ferroelectricity are found to take place accompanying with the charge transfer, making Fe2Co-MOF a unique ferroelectric single-chain magnet at low temperature. Moreover, our detailed measurements of magnetization, dielectric constant, and Raman scattering under high pressures illustrate that the charge transfer as well as the resulting multifunctional transitions can be readily induced to occur at room temperature by applying a tiny external pressure of about 0.5 kbar. The present study thus provides a pressure well-controllable multifunctional material with potential applications in a broad temperature region across room temperature.

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Language(s): eng - English
 Dates: 2015-07-062015-07-06
 Publication Status: Published in print
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 Table of Contents: -
 Rev. Method: -
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Title: Inorganic Chemistry
  Abbreviation : Inorg. Chem.
Source Genre: Journal
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Publ. Info: Washington, DC : American Chemical Society
Pages: - Volume / Issue: 54 (13) Sequence Number: - Start / End Page: 6433 - 6438 Identifier: ISSN: 0020-1669
CoNE: https://pure.mpg.de/cone/journals/resource/0020-1669