Universität zu Köln

Nugroho, A. A., Hu, Z., Kuo, C. Y., Haverkort, M. W., Pi, T. W., Onggo, D., Valldor, M. and Tjeng, L. H. (2016). Cross-type orbital ordering in the layered hybrid organic-inorganic compound (C6H5CH2CH2NH3)(2)CuCl4. Phys. Rev. B, 94 (18). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

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Abstract

We have studied the magnetic properties and the underlying type of orbital ordering in the layered hybrid organic-inorganic compound (C6H5CH2CH2NH3)(2)CuCl4 by using ac-magnetic susceptibility and polarization-dependent soft-x-ray absorption spectroscopy at the Cu-L-2 and Cu-L-3 edges. We have established that the compound has a long-range ferromagnetic ordering both in plane and out of plane and we found from the analysis of the absorption spectra that the orbital ordering of the Cu2+ holes involves the cross-type d(x2-z2)/d(y2-z2) arrangement which is different from the d(x2-y2) arrangement found in the parent compounds of the high-T-c cuprate superconductors.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Nugroho, A. A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Hu, Z. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kuo, C. Y. UNSPECIFIED UNSPECIFIED UNSPECIFIED Haverkort, M. W. UNSPECIFIED UNSPECIFIED UNSPECIFIED Pi, T. W. UNSPECIFIED UNSPECIFIED UNSPECIFIED Onggo, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Valldor, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Tjeng, L. H. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-255903
DOI:	10.1103/PhysRevB.94.184404
Journal or Publication Title:	Phys. Rev. B
Volume:	94
Number:	18
Date:	2016
Publisher:	AMER PHYSICAL SOC
Place of Publication:	COLLEGE PK
ISSN:	2469-9969
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language LA2-XSRXCUO4; PEROVSKITE; K2CUF4; LEVEL Multiple languages Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed Matter Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/25590