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원자제어저차원전자계연구단
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Physical properties of the Ce2MAl7Ge4 heavy-fermion compounds (M = Co, Ir, Ni, Pd)

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dc.contributor.authorGhimire, NJ-
dc.contributor.authorCary, SK-
dc.contributor.authorEley, S-
dc.contributor.authorWakeham, NA-
dc.contributor.authorRosa, PFS-
dc.contributor.authorAlbrecht-Schmitt, T-
dc.contributor.authorY. Lee-
dc.contributor.authorJanoschek, M-
dc.contributor.authorBrown, CM-
dc.contributor.authorCivale, L-
dc.contributor.authorThompson, JD-
dc.contributor.authorRonning, F-
dc.contributor.authorBauer, ED-
dc.date.accessioned2017-09-22T02:19:57Z-
dc.date.available2017-09-22T02:19:57Z-
dc.date.created2016-06-20-
dc.date.issued2016-05-
dc.identifier.issn2469-9950-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/3818-
dc.description.abstractWe report the synthesis, crystal structure, and characterization by means of single-crystal x-ray diffraction, neutron powder diffraction, and magnetic, thermal, and transport measurements of the new heavy-fermion compounds Ce2MAl7Ge4 (M = Co, Ir, Ni, Pd). These compounds crystallize in a noncentrosymmetric tetragonal space group P (4) over bar2(1)m, consisting of layers of square nets of Ce atoms separated by Ge-Al and M-Al-Ge blocks. Ce2CoAl7Ge4, Ce2IrAl7Ge4, and Ce2NiAl7Ge4 order magnetically below T-M = 1.8, 1.6, and 0.8 K, respectively. There is no evidence of magnetic ordering in Ce2PdAl7Ge4 down to 0.4 K. The small amount of entropy released in the magnetic state of Ce2MAl7Ge4 (M = Co, Ir, Ni) and the reduced specific heat jump at TM suggest a strong Kondo interaction in these materials. Ce2PdAl7Ge4 shows non-Fermi liquid behavior, possibly due to the presence of a nearby quantum critical point. ©2016 American Physical Society-
dc.description.uri1-
dc.language영어-
dc.publisherAMER PHYSICAL SOC-
dc.titlePhysical properties of the Ce2MAl7Ge4 heavy-fermion compounds (M = Co, Ir, Ni, Pd)-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000376638200005-
dc.identifier.scopusid2-s2.0-84970959830-
dc.identifier.rimsid55703-
dc.date.tcdate2018-10-01-
dc.contributor.affiliatedAuthorY. Lee-
dc.identifier.doi10.1103/PhysRevB.93.205141-
dc.identifier.bibliographicCitationPHYSICAL REVIEW B, v.93, no.20, pp.205141-
dc.citation.titlePHYSICAL REVIEW B-
dc.citation.volume93-
dc.citation.number20-
dc.citation.startPage205141-
dc.date.scptcdate2018-10-01-
dc.description.wostc2-
dc.description.scptc2-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.subject.keywordPlusQUANTUM PHASE-TRANSITIONS-
dc.subject.keywordPlusMETALS-
dc.subject.keywordPlusSUPERCONDUCTIVITY-
dc.subject.keywordPlusMAGNETISM-
Appears in Collections:
Center for Artificial Low Dimensional Electronic Systems(원자제어 저차원 전자계 연구단) > 1. Journal Papers (저널논문)
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