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  Avoided ferromagnetic quantum critical point: Antiferromagnetic ground state in substituted CeFePO

Jesche, A., Balle, T., Kliemt, K., Geibel, C., Brando, M., & Krellner, C. (2017). Avoided ferromagnetic quantum critical point: Antiferromagnetic ground state in substituted CeFePO. Physica Status Solidi B, 254(1): 1600169, pp. 1-6. doi:10.1002/pssb.201600169.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-002C-A9A2-9 Version Permalink: https://hdl.handle.net/21.11116/0000-0000-F11B-2
Genre: Journal Article

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 Creators:
Jesche, A.1, Author           
Balle, T.2, Author
Kliemt, K.2, Author
Geibel, C.3, Author           
Brando, M.4, Author           
Krellner, C.1, Author           
Affiliations:
1Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863462              
2External Organizations, ou_persistent22              
3Christoph Geibel, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863465              
4Manuel Brando, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863469              

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 Abstract: We have investigated single crystals of two substitution series Ce(Ru1-x Fe-x)PO and CeFe(As1-y P-y)O in the vicinity to the quantum critical material CeFePO by means of magnetic-susceptibility and specific-heat measurements. We observe an antiferromagnetic ground state in the vicinity of the quantum critical point, with pronounced metamagnetic transitions for H parallel to c, which is the magnetically hard direction. Our results verify that a ferromagnetic quantum critical point is avoided in substituted CeFePO, because we clearly demonstrate that the ferromagnetic ground state changes into an antiferromagnetic one, when approaching the quantum critical point. (C) 2016 WILEY- VCH Verlag GmbH & Co. KGaA, Weinheim

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Language(s): eng - English
 Dates: 2017-01-252017-01-25
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1002/pssb.201600169
 Degree: -

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Title: Physica Status Solidi B
  Abbreviation : Phys. Stat. Sol. B
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 254 (1) Sequence Number: 1600169 Start / End Page: 1 - 6 Identifier: ISSN: 0370-1972
CoNE: https://pure.mpg.de/cone/journals/resource/958480240330