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EuFe2(As1-xPx)2: Reentrant Spin Glass and Superconductivity


Zapf, Sina; Jeevan, Hirale S.; Ivek, Tomislav; Pfister, Fabian; Klingert, Felix; Jiang, Shuai; Wu, Dan; Gegenwart, Philipp; Kremer, Reinhard K.; Dressel, Martin
EuFe2(As1-xPx)2: Reentrant Spin Glass and Superconductivity // Physical Review Letters, 110 (2013), 23; 237002-1 doi:10.1103/PhysRevLett.110.237002 (međunarodna recenzija, članak, znanstveni)


Naslov
EuFe2(As1-xPx)2: Reentrant Spin Glass and Superconductivity

Autori
Zapf, Sina ; Jeevan, Hirale S. ; Ivek, Tomislav ; Pfister, Fabian ; Klingert, Felix ; Jiang, Shuai ; Wu, Dan ; Gegenwart, Philipp ; Kremer, Reinhard K. ; Dressel, Martin

Izvornik
Physical Review Letters (0031-9007) 110 (2013), 23; 237002-1

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Iron pnictide; superconductor; spin density wave; reentrant spin glass; resistance; susceptibility; phase diagram; antiferromagnetic ordering; coexistence; magnetism

Sažetak
By systematic investigations of the magnetic, transport, and thermodynamic properties of single crystals of EuFe2(As1-xPx)2 (0≤x≤1), we explore the complex interplay of superconductivity and Eu2+ magnetism. Below 30 K, two magnetic transitions are observed for all P substituted crystals, suggesting a revision of the phase diagram. In addition to the canted A-type antiferromagnetic order of Eu2+ at ∼20  K, a spin glass transition is discovered at lower temperatures. Most remarkably, the reentrant spin glass state of EuFe2(As1-xPx)2 coexists with superconductivity around x≈0.2.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Ustanove
Institut za fiziku, Zagreb

Autor s matičnim brojem:
Tomislav Ivek, (261996)

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus
  • MEDLINE


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