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Transport phenomena and magnetic-ion exchange in ferromagnetic Cu y Cr2Se4−z Br x spinel single crystals

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Il Nuovo Cimento D

Summary

Cu y Cr2Se4−z Br x single crystals are obtained both by chemical-transport reactions and by the flux method. Conductivity, Hall effect and magnetoresistance are studied. The mechanisms of charge carrier scattering and those of exchange between magnetic ions in these materials are discussed.

Riassunto

Cristalli singoli di Cu y Cr2Se4−z Br x sono ottenuti sia mediante reazioni di transporto chimico che col metodo del flusso. Si studiano la conduttività, l'effetto di Hall e la resistenza magnetica. Si discutono i meccanismi di diffusione dei portatori di carica e quelli di scambio tra ioni magnetici in questi materiali.

Резюме

Монокристаллы Cu y Cr2Se4−z Br x получены нимическими транспортными реакциями и из раствора в расплаве. Исследованы проводимость, эффект Холла и магнетосопротивление. Обсуждаются механизмы рассеяния носителей заряда и обмена между магнитными ионами в этих материалах.

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Authors and Affiliations

  1. Institute of Applied Physics, Academy of Sciences of the Moldavian SSR, Kishinev, USSR

    S. I. Radautsan, V. V. Tsurkan & V. E. Tezlevan

Authors
  1. S. I. Radautsan
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  2. V. V. Tsurkan
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  3. V. E. Tezlevan
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Radautsan, S.I., Tsurkan, V.V. & Tezlevan, V.E. Transport phenomena and magnetic-ion exchange in ferromagnetic Cu y Cr2Se4−z Br x spinel single crystals. Il Nuovo Cimento D 2, 1823–1827 (1983). https://doi.org/10.1007/BF02457872

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  • DOI: https://doi.org/10.1007/BF02457872

PACS. 75.50

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