About: Magnetic, Thermal and Transport Properties of YbPt2Si2 and Yb2Pt3Si5 Single Crystals

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About: Magnetic, Thermal and Transport Properties of YbPt2Si2 and Yb2Pt3Si5 Single Crystals Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://przyrbwn.icm.edu.pl/APP/PDF/126/a126z1p150.pdf
Description	Single crystals of YbPt2Si2 and Yb2Pt3Si5 have been prepared by solvent growth method with Sn flux, characterized by X-ray diffraction and by EDX microprobe analysis and investigated by measurement of magnetization, specific heat and electrical resistivity as functions of temperature and magnetic field. YbPt2Si2 (Yb2Pt3Si5) crystalizes in the tetragonal CaBe2Ge2-type (orthorhombic U2Co3Si5-type) structure. Both compounds exhibit metallic resistivity behavior without visible anomaly, which could be connected with onset of magnetic ordering. Neither the specific heat shows any sign of magnetic ordering down to 0.5 K. The corresponding temperature dependences of the magnetic susceptibility of both compounds behave qualitatively similar, which is reminiscent of spin fluctuation behavior: a broad maximum at high temperatures, a shallow minimum at lower temperatures, followed by an upturn with further cooling the crystal, which can be suppressed by applying a sufficient magnetic field. The rather low values of the gamma-coefficients of the specific heat (similar to 25 divided by 35 mJ.mol.K-2) do not support the mixed valence scenario discussed in literature for YbPt2Si2. Single crystals of YbPt2Si2 and Yb2Pt3Si5 have been prepared by solvent growth method with Sn flux, characterized by X-ray diffraction and by EDX microprobe analysis and investigated by measurement of magnetization, specific heat and electrical resistivity as functions of temperature and magnetic field. YbPt2Si2 (Yb2Pt3Si5) crystalizes in the tetragonal CaBe2Ge2-type (orthorhombic U2Co3Si5-type) structure. Both compounds exhibit metallic resistivity behavior without visible anomaly, which could be connected with onset of magnetic ordering. Neither the specific heat shows any sign of magnetic ordering down to 0.5 K. The corresponding temperature dependences of the magnetic susceptibility of both compounds behave qualitatively similar, which is reminiscent of spin fluctuation behavior: a broad maximum at high temperatures, a shallow minimum at lower temperatures, followed by an upturn with further cooling the crystal, which can be suppressed by applying a sufficient magnetic field. The rather low values of the gamma-coefficients of the specific heat (similar to 25 divided by 35 mJ.mol.K-2) do not support the mixed valence scenario discussed in literature for YbPt2Si2. (en)
Title	Magnetic, Thermal and Transport Properties of YbPt2Si2 and Yb2Pt3Si5 Single Crystals Magnetic, Thermal and Transport Properties of YbPt2Si2 and Yb2Pt3Si5 Single Crystals (en)
skos:prefLabel	Magnetic, Thermal and Transport Properties of YbPt2Si2 and Yb2Pt3Si5 Single Crystals Magnetic, Thermal and Transport Properties of YbPt2Si2 and Yb2Pt3Si5 Single Crystals (en)
skos:notation	RIV/00216208:11320/14:10272375!RIV15-MSM-11320___
http://linked.open...avai/riv/aktivita	I P S
http://linked.open...avai/riv/aktivity	I, P(LM2011025), S
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Fikáček, Jan Sechovský, Vladimír Prchal, Jiří
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	26909
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/14:10272375
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Crystals; Single; Yb2Pt3Si5; YbPt2Si2; Properties; Transport; Thermal; Magnetic (en)
http://linked.open.../riv/klicoveSlovo	Yb2Pt3Si5 YbPt2Si2 Properties Thermal Single Magnetic Transport Crystals
http://linked.open...odStatuVydavatele	PL - Polská republika
http://linked.open...ontrolniKodProRIV	[877EEB8454BA]
http://linked.open...i/riv/nazevZdroje	Acta Physica Polonica A
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (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	2014
http://linked.open...v/svazekPeriodika	126
http://linked.open...iv/tvurceVysledku	Sechovský, Vladimír Fikáček, Jan Prchal, Jiří
http://linked.open...ain/vavai/riv/wos	000339833100151
issn	0587-4246
number of pages	2 (xsd:int)
http://bibframe.org/vocab/doi	10.12693/APhysPolA.126.310
http://localhost/t...ganizacniJednotka	11320

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