Investigation of spin-phonon coupling and local magnetic properties in magnetoelectric Fe2TeO6

Investigation of spin-phonon coupling and local magnetic properties in magnetoelectric Fe2TeO6

•Demonstration of spin-phonon coupling in trirutile magnetoelectric Fe2TeO6.•Dimeric (d(5/2)-d(5/2)) interaction induced short-range magnetic correlation.•Exploration of unknown magnetic anomaly at 150 K below the familiar sharp transition (TN ∼ 210 K) corresponding to long-range order.•µSR study re...

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Veröffentlicht in:Journal of magnetism and magnetic materials 2021-12, Vol.540, p.168512, Article 168512
Hauptverfasser: Pal, P., Badola, Shalini, Biswas, P.K., Das, Ranjana R., Saha, Surajit, Kaushik, S.D., Rajput, Parasmani, Vishwakarma, P.N., Singh, A.K.
Format: Artikel
Sprache:eng
Schlagworte:
Antiferromagnetism
Coupling
Heat exchange
Long range order
Magnetic anomalies
Magnetic properties
Magnetic transitions
Phonons
Physics
Raman spectra
Spin dynamics
Spin resonance
Transition metal oxides
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Zusammenfassung:•Demonstration of spin-phonon coupling in trirutile magnetoelectric Fe2TeO6.•Dimeric (d(5/2)-d(5/2)) interaction induced short-range magnetic correlation.•Exploration of unknown magnetic anomaly at 150 K below the familiar sharp transition (TN ∼ 210 K) corresponding to long-range order.•µSR study reveals of three dynamically distinguishable temperature regime as (I) T > TN, (II) TN > T > 150 K, and (III) T  TN, (ii) TN > T > 150 K, and (iii) T 
ISSN:0304-8853
1873-4766
DOI:10.1016/j.jmmm.2021.168512