Universität zu Köln

Yang, Lin, Wang, Changan, Zeng, Min, Hou, Zhipeng, Fan, Zhen, Chen, Deyang, Qin, Minghui ORCID: 0000-0002-8306-125X, Lu, Xubing, Li, Qiliang ORCID: 0000-0001-9778-7695 and Gao, Xingsen (2020). Polarization tunability in multiferroic DyMn2O5: Influence of Y and Eu co-doping and 3d-4f exchange. Solid State Commun., 307. OXFORD: PERGAMON-ELSEVIER SCIENCE LTD. ISSN 1879-2766

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Abstract

Coupling effects among spin, charge, and lattice in a strongly correlated system are critical for next generation spintronic and data storage devices. However, the complex effects are elusive and difficult to distinguish their contributions to polarization modulation. Here we tailored the polarization by co-doping of non-magnetic Y and Eu at A-sites in DyMn2O5. The structure, specific heat, magnetism, and ferroelectricity of the polycrystalline Dy1-x(Eu0.24Y0.76)(x)Mn2O5 ceramics were comprehensively explored. Interestingly, the co-doping does not cause lattice distortion of DyMn2O5, and all the ceramics are orthorhombic structures, while the independent Dy3+ spin order and the Dy3+-Mn3+ coupling can be suppressed. With increasing the co-doping content x, the spins related properties associated with the Dy3+-Mn4+-Dy3+ sub-lattice are progressively inhibited, while they keep less disturbance in the Mn3+-Mn4+-Mn3+ block. Moreover, the spin coupling of Dy3+-Mn3+ ions is stronger again the magnetic field than that of Dy3+-Mn3+. Our results enhance the understanding of ferrielectricity in DyMn2O5, and provide a method for controlling the polarization in the multiferroic manganite coexisting 3d and 4f elements.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Yang, Lin UNSPECIFIED UNSPECIFIED UNSPECIFIED Wang, Changan UNSPECIFIED UNSPECIFIED UNSPECIFIED Zeng, Min UNSPECIFIED UNSPECIFIED UNSPECIFIED Hou, Zhipeng UNSPECIFIED UNSPECIFIED UNSPECIFIED Fan, Zhen UNSPECIFIED UNSPECIFIED UNSPECIFIED Chen, Deyang UNSPECIFIED UNSPECIFIED UNSPECIFIED Qin, Minghui UNSPECIFIED orcid.org/0000-0002-8306-125X UNSPECIFIED Lu, Xubing UNSPECIFIED UNSPECIFIED UNSPECIFIED Li, Qiliang UNSPECIFIED orcid.org/0000-0001-9778-7695 UNSPECIFIED Gao, Xingsen UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-346276
DOI:	10.1016/j.ssc.2019.113809
Journal or Publication Title:	Solid State Commun.
Volume:	307
Date:	2020
Publisher:	PERGAMON-ELSEVIER SCIENCE LTD
Place of Publication:	OXFORD
ISSN:	1879-2766
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language Physics, Condensed Matter Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/34627