Journal
PHYSICAL REVIEW B
Volume 92, Issue 14, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.92.144305
Keywords
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Funding
- NSF-DMREF program [DMR-1233118, DMR-1233349]
- ONR [N00014-12-1-1035]
- Max Planck POSTECH/KOREA Research Initiative Program through NRF of Korea [2011-0031558]
- MEST
- National Science Foundation [DMR-1157490]
- State of Florida
- US Department of Energy
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1233349, 1233118] Funding Source: National Science Foundation
- National Research Foundation of Korea [2011-0031558] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Easy axis antiferromagnets usually exhibit a first-order spin-flop transition when the magnetic field is applied along the easy axis. Recently a colossal magnetoelectric effect was discovered in Ni3TeO6, suggesting a continuous spin-flop transition across a narrow phase in this material [Oh et al., Nat. Commun. 5, 3201 (2014)]. Additional evidence is, however, desirable to verify this mechanism. Here we measure the infrared vibrational properties of Ni3TeO6 in high magnetic fields and demonstrate that the phonon anomalies are consistent with a second-order mechanism.
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