Journal article
Magnetic phase diagram of La2−xSrxCoO4 revised using muon-spin relaxation
- Abstract:
- We report the results of a muon-spin relaxation ( μ SR ) investigation of La 2 − x Sr x CoO 4 , an antiferromagnetic insulating series which has been shown to support charge ordered and magnetic stripe phases and an hourglass magnetic excitation spectrum. We present a revised magnetic phase diagram, which shows that the suppression of the magnetic ordering temperature is highly sensitive to small concentrations of holes. Distinct behavior within an intermediate x range ( 0.2 ≤ x ≲ 0.6 ) suggests that the putative stripe ordered phase extends to lower x than previously thought. Further charge doping ( 0.67 ≤ x ≤ 0.9 ) prevents magnetic ordering for T ≳ 1.5 K .
- Publication status:
- Published
- Peer review status:
- Peer reviewed
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(Preview, Version of record, pdf, 485.3KB, Terms of use)
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- Publisher copy:
- 10.1103/PhysRevB.93.140406
Authors
- Publisher:
- American Physical Society
- Journal:
- Physical Review B - Condensed Matter and Materials Physics More from this journal
- Volume:
- 93
- Issue:
- 14
- Publication date:
- 2016-04-01
- Acceptance date:
- 2016-03-30
- DOI:
- EISSN:
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2469-9969
- ISSN:
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2469-9950 and 0163-1829
- Keywords:
- Pubs id:
-
pubs:627382
- UUID:
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uuid:ddc17f50-3b24-4d55-b5b5-1c0e23818305
- Local pid:
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pubs:627382
- Source identifiers:
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627382
- Deposit date:
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2016-06-10
Terms of use
- Copyright holder:
- American Physical Society
- Copyright date:
- 2016
- Notes:
- This is the publisher's version of a journal article published by The American Phsical Society in Physical Review B on 2015-10-21, available online: http://dx.doi.org/10.1103/PhysRevB.93.140406
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