Low-temperature phonon, magnon and exciton effects on the polarization of BaXF4

Autor:	H. J. Guggenheim, F. S. L. Hsu, M. E. Lines, A. M. Glass
Rok vydání:	1978
Předmět:	chemistry.chemical_classification Materials science Condensed matter physics Phonon Exciton Magnon Salt (chemistry) Condensed Matter Physics Electronic Optical and Magnetic Materials Pyroelectricity chemistry Antiferromagnetism Polarization (electrochemistry) Excitation
Zdroj:	Ferroelectrics. 22:701-704
ISSN:	1563-5112 0015-0193
DOI:	10.1080/00150197808237373
Popis:	Studies of the polarization deviation ΔP and of the dynamic pyroelectric response (I/cρ) (dP/dT) at low temperatures of the family of barium-transition metal-fluorides BaXF4, for X = Mg, Zn, Mn, Ni and Co are reported. The various effects of acoustic and optic phonon excitation, 2D and 3D antiferromagnetic ordering in the Ni and Co salts. Frenkel excitons in the Mn salt and the subtle structural transition in the Mn salt are demonstrated.
Databáze:	OpenAIRE
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