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  Competing magnetic correlations across the ferromagnetic quantum critical point in the Kondo system CeTi1-xVxGe3: 51V NMR as a local probe

Majumder, M., Kittler, W., Fritsch, V., v Loehneysen, H., Yasuoka, H., & Baenitz, M. (2019). Competing magnetic correlations across the ferromagnetic quantum critical point in the Kondo system CeTi1-xVxGe3: 51V NMR as a local probe. Physical Review B, 100(13): 134432, pp. 1-8. doi:10.1103/PhysRevB.100.134432.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0005-19AF-B Version Permalink: http://hdl.handle.net/21.11116/0000-0005-19B1-7
Genre: Journal Article

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 Creators:
Majumder, M.1, Author              
Kittler, W.2, Author
Fritsch, V2, Author
v Loehneysen, H.2, Author
Yasuoka, H.3, Author              
Baenitz, M.4, Author              
Affiliations:
1Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863404              
2External Organizations, ou_persistent22              
3Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863462              
4Michael Baenitz, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863471              

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 Abstract: V-51 nuclear magnetic resonance (NMR) and magnetization studies on CeTi1-xVxGe3 have been performed to explore the evolution from the ferromagnetic (x = 0.113) to the antiferromagnetic Kondo lattice state (x = 1), with focus on the emergence of a possible ferromagnetic quantum critical point (FMQCP) at x(c) approximate to 0.4. From the temperature dependence of the nuclear spin-lattice relaxation rate, 1/T1T, and the Knight shift, K, for x = 0.113 and x = 1 a considerable competition between ferro- and antiferromagnetic correlations is found. Around the critical concentration (x = 0.35, 0.405), quantum-critical spin fluctuations entail weak antiferromagnetic spin fluctuations admixed with ferromagnetic spin fluctuations. The FMQCP in CeTi1-xVxGe3 therefore is not purely ferromagnetic in nature.

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Language(s): eng - English
 Dates: 2019-10-252019-10-25
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
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Title: Physical Review B
  Abbreviation : Phys. Rev. B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: - Volume / Issue: 100 (13) Sequence Number: 134432 Start / End Page: 1 - 8 Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008