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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Il nuovo cimento della Società Italiana di Fisica 9 (1987), S. 1275-1283 
    ISSN: 0392-6737
    Keywords: Mössbauer effect ; other γ-ray spectroscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Description / Table of Contents: Riassunto Il composto NH4FeF4, caratterizzato da strati di ottaedri (FeF6)3− alternati con strati NH 4 + , è stato studiato con la spettroscopia Mössbauer. I dati sperimentali, che evidenziano un ordine antiferromagnetico, sono stati interpretati col modello del campo molecolare per mezzi anisotropi. Si è trovato che la magnetizzazione è ortogonale agli strati ottaedrici e che gli assi ottaedrici sono inclinati di 17° rispetto alla direzione di magnetizzazione.
    Abstract: Резюме С помощью мëссбауэровской спектроскопии исследуется соединение NH4FeF4, характеризующееся слоями (FeF6)3−, которые чередуются с NH 4 + слоями. Экспериментальные данные, которые подтверждают антиферромагнитную упоряденность, сравниваются с моделью молекулярного поля для анизотропной среды. Обнаружено, что намагниченность ортогональна октаэдрическим слоям, а октаэдрические оси наклонены под углом 17° к направлению намагниченности.
    Notes: Summary The compound NH4FeF4, characterized by layers of (FeF6)3− octahedra alternating with NH 4 + layers, has been investigated by means of Mössbauer spectroscopy. Experimental data, which evidentiate an antiferromagnetic order, are compared with the molecular-field model for anisotropic media. Magnetization is found orthogonal to the octahedra layers and the octahedra axes are found to be tilted by 17° with respect to the magnetization direction.
    Type of Medium: Electronic Resource
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