Universität zu Köln

Pfleiderer, C., Boeni, P., Franz, C., Keller, T., Neubauer, A., Niklowitz, P. G., Schmakat, P., Schulz, M., Huang, Y. -K., Mydosh, J. A., Vojta, M., Duncan, W., Grosche, F. M., Brando, M., Deppe, M., Geibel, C., Steglich, F., Krimmel, A. and Loidl, A. (2010). Search for Electronic Phase Separation at Quantum Phase Transitions. J. Low Temp. Phys., 161 (1-2). S. 167 - 182. NEW YORK: SPRINGER/PLENUM PUBLISHERS. ISSN 1573-7357

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Abstract

Phase separation and extreme sensitivity to disorder and defects are key features of electronic order near quantum phase transitions. Neutron depolarization imaging and neutron Larmor diffraction are new experimental techniques capable of providing detailed real-space and reciprocal-space information, respectively, on the existence and nature of phase separations. Proof-of-principle depolarization imaging in Pd1-x Ni (x) , CePd1-x Rh (x) and NbFe2 suggests distinct differences of the real-space distribution of ferromagnetic moments and Curie temperatures in materials at ferromagnetic quantum phase transitions. This compares with neutron Larmor diffraction which provides high-resolution reciprocal-space information of phase separation and the absence of quantum criticality in the itinerant helimagnet MnSi or the parasitic nature of small moment antiferromagnetism in URu2Si2.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Pfleiderer, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Boeni, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Franz, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Keller, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Neubauer, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Niklowitz, P. G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Schmakat, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Schulz, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Huang, Y. -K. UNSPECIFIED UNSPECIFIED UNSPECIFIED Mydosh, J. A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Vojta, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Duncan, W. UNSPECIFIED UNSPECIFIED UNSPECIFIED Grosche, F. M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Brando, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Deppe, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Geibel, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Steglich, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Krimmel, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Loidl, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-495787
DOI:	10.1007/s10909-010-0214-3
Journal or Publication Title:	J. Low Temp. Phys.
Volume:	161
Number:	1-2
Page Range:	S. 167 - 182
Date:	2010
Publisher:	SPRINGER/PLENUM PUBLISHERS
Place of Publication:	NEW YORK
ISSN:	1573-7357
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language FERMI-LIQUID BEHAVIOR; ORDER; PRESSURE; SYSTEM Multiple languages Physics, Applied; Physics, Condensed Matter Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/49578