Electron-Phonon and Magnetoelastic Interactions in FerromagneticCo[N(CN)2]2 | Zendy

Tatiana V. Brinzari | Zendy; J. T. Haraldsen | Zendy; P. Chen | Zendy; Qi Sun | Zendy; Y. Kim | Zendy; L. C. Tung | Zendy; A. P. Litvinchuk | Zendy; John A. Schlueter | Zendy; Dmitry Smirnov | Zendy; Jamie L. Manson | Zendy; John Singleton | Zendy; J. L. Musfeldt | Zendy

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Electron-Phonon and Magnetoelastic Interactions in FerromagneticCo[N(CN)2]2

Author(s) -

Tatiana V. Brinzari,

J. T. Haraldsen,

P. Chen,

Qi Sun,

Y. Kim,

L. C. Tung,

A. P. Litvinchuk,

John A. Schlueter,

Dmitry Smirnov,

Jamie L. Manson,

John Singleton,

J. L. Musfeldt

Publication year - 2013

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.111.047202

Subject(s) - phonon , physics , condensed matter physics , excitation , raman spectroscopy , coupling (piping) , lattice (music) , magnetization , ferromagnetism , electron , materials science , magnetic field , quantum mechanics , acoustics , metallurgy

We combined Raman and infrared vibrational spectroscopies with complementary lattice dynamics calculations and magnetization measurements to reveal the dynamic aspects of charge-lattice-spin coupling in Co[N(CN)2]2. Our work uncovers electron-phonon coupling as a magnetic field-driven avoided crossing of the low-lying Co2+ electronic excitation with two ligand phonons and a magnetoelastic effect that signals a flexible local CoN6 environment. Their simultaneous presence indicates the ease with which energy is transferred over multiple length and time scales in this system.

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