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  Crystal Growth and Physical Properties of Sr4Co3O7.5+xCl2 Single Crystals (x ∼ 0.14)

Ryu, G., Hu, Z., Chang, C.-F., Kuo, C.-Y., Shin, K., Lin, H.-J., et al. (2019). Crystal Growth and Physical Properties of Sr4Co3O7.5+xCl2 Single Crystals (x ∼ 0.14). Crystals, 9(12): 623, pp. 1-9. doi:10.3390/cryst9120623.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0005-505E-8 Version Permalink: http://hdl.handle.net/21.11116/0000-0005-513B-E
Genre: Journal Article

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 Creators:
Ryu, Gihun1, Author              
Hu, Zhiwei2, Author              
Chang, Chun-Fu3, Author              
Kuo, Chang-Yang1, Author              
Shin, K.1, Author              
Lin, Hong-Ji4, Author
Chen, Chien-Te4, Author
Tjeng, Liu Hao5, Author              
Komarek, Alexander C.6, Author              
Affiliations:
1Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863445              
2Zhiwei Hu, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863461              
3Chun-Fu Chang, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863447              
4External Organizations, ou_persistent22              
5Liu Hao Tjeng, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863452              
6Alexander Komarek, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863446              

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 Abstract: We report on the single crystal growth and physical properties of the triple-layer cobalt oxychloride Sr 4 Co 3 O 7 . 5 + x Cl 2 (xsim; 0.14) with 4-3-10 Ruddlesdenndash;Popper type structure that was synthesized by a KCl-SrCl 2 flux method. The crystal structure was determined by means of single crystal X-ray diffraction. In this quasi two dimensional (2D) material two pyramidal CoO 5 layers and a central Co oxide layer with random oxygen deficiencies are forming the layered Co oxide blocks. These blocks are separated by Cl minus; -ions which are interacting via Van der Waals forces, thus, enhancing the quasi 2D nature of this compound. The soft X-ray absorption spectra at the Co-L 2 , 3 edge and O-K edge indicate that Co ions are in high spin +3 state which is in agreement with the single crystal X-ray diffraction measurements that indicate basically pyramidal oxygen environments for the Co 3 + ions in this compound.

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Language(s): eng - English
 Dates: 2019-11-272019-11-27
 Publication Status: Published in print
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 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.3390/cryst9120623
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Title: Crystals
Source Genre: Journal
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Publ. Info: Basel, Switzerland : MDPI AG
Pages: - Volume / Issue: 9 (12) Sequence Number: 623 Start / End Page: 1 - 9 Identifier: ISSN: 2073-4352
CoNE: https://pure.mpg.de/cone/journals/resource/2073-4352