About: Slow spin relaxation induced by magnetic field in [NdCo(bpdo)(H2O)(4)(CN)(6)] center dot 3H(2)O

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About: Slow spin relaxation induced by magnetic field in [NdCo(bpdo)(H2O)(4)(CN)(6)] center dot 3H(2)O Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1088/0953-8984/25/18/186003
Description	We report on a comprehensive investigation of the magnetic properties of [NdCo(bpdo)(H2O)(4)(CN)(6)] center dot 3H(2)O (bpdo = 4, 4'-bipyridine-N,N'-dioxide) by use of electron paramagnetic resonance, magnetization, specific heat and susceptibility measurements. The studied material was identified as a magnet with an effective spin S = 1/2 and a weak exchange interaction J/k(B) = 25 mK. The ac susceptibility studies conducted at audio frequencies and at temperatures from 1.8 to 9 K revealed that the application of a static magnetic field induces a slow spin relaxation. It is suggested that the relaxation in the magnetic field appears due to an Orbach-like process between the two lowest doublet energy states of the magnetic Nd3+ ion. The appearance of the slow relaxation in a magnetic field cannot be associated with a resonant phonon trapping. The obtained results suggest that the relaxation is influenced by nuclear spin driven quantum tunnelling which is suppressed by external magnetic field. We report on a comprehensive investigation of the magnetic properties of [NdCo(bpdo)(H2O)(4)(CN)(6)] center dot 3H(2)O (bpdo = 4, 4'-bipyridine-N,N'-dioxide) by use of electron paramagnetic resonance, magnetization, specific heat and susceptibility measurements. The studied material was identified as a magnet with an effective spin S = 1/2 and a weak exchange interaction J/k(B) = 25 mK. The ac susceptibility studies conducted at audio frequencies and at temperatures from 1.8 to 9 K revealed that the application of a static magnetic field induces a slow spin relaxation. It is suggested that the relaxation in the magnetic field appears due to an Orbach-like process between the two lowest doublet energy states of the magnetic Nd3+ ion. The appearance of the slow relaxation in a magnetic field cannot be associated with a resonant phonon trapping. The obtained results suggest that the relaxation is influenced by nuclear spin driven quantum tunnelling which is suppressed by external magnetic field. (en)
Title	Slow spin relaxation induced by magnetic field in [NdCo(bpdo)(H2O)(4)(CN)(6)] center dot 3H(2)O Slow spin relaxation induced by magnetic field in [NdCo(bpdo)(H2O)(4)(CN)(6)] center dot 3H(2)O (en)
skos:prefLabel	Slow spin relaxation induced by magnetic field in [NdCo(bpdo)(H2O)(4)(CN)(6)] center dot 3H(2)O Slow spin relaxation induced by magnetic field in [NdCo(bpdo)(H2O)(4)(CN)(6)] center dot 3H(2)O (en)
skos:notation	RIV/00216208:11320/13:10139969!RIV14-MSM-11320___
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(LM2011025)
http://linked.open...iv/cisloPeriodika	18
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Sechovský, Vladimír Prokleška, Jan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	105615
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/13:10139969
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	ions; lanthanide; resonant phonon; lattice relaxation (en)
http://linked.open.../riv/klicoveSlovo	lattice relaxation resonant phonon ions lanthanide
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[156AD13D6382]
http://linked.open...i/riv/nazevZdroje	Journal of Physics Condensed Matter
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	11 (xsd:int)
http://linked.open...vavai/riv/projekt	MLTL - Magnetism and Low Temperature Laboratories - operation and development of national research infrastructure
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	25
http://linked.open...iv/tvurceVysledku	Wosnitza, J. Prokleška, Jan Sechovský, Vladimír Orendac, M. Orendacova, A. Vrabel, P. Cizmar, E. Gao, S. Pavlik, V. Tarasenko, R. Zvyagin, S.
http://linked.open...ain/vavai/riv/wos	000317913100016
issn	0953-8984
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1088/0953-8984/25/18/186003
http://localhost/t...ganizacniJednotka	11320

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