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首页> 外文期刊>Physica, B. Condensed Matter >Electrical transport properties in passivated magnetic small iron particles
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Electrical transport properties in passivated magnetic small iron particles

机译:钝化磁性小铁颗粒中的电输运性质

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Electrical transport properties of a sample composed of small iron particles of several tens nm was studied in the temperature range 1.8-300 K. TEM study indicates that each small particle is covered with a very homogeneous epitaxial gamma-Fe2O3 Shell that prevents further oxidization of the metal particles. The temperature dependence of resistivity R(TT) and the field-dependent current density in the high-field range can be well described by the theory of fluctuation-induced tunneling conduction. (C) 2000 Elsevier Science B.V. All rights reserved. [References: 6]
机译:在1.8-300 K的温度范围内研究了由几十纳米的小铁颗粒组成的样品的电输运特性。TEM研究表明,每个小颗粒都覆盖有非常均匀的外延γ-Fe2O3壳,可防止进一步氧化。金属颗粒。电阻率R(TT)的温度依赖性和高场范围内与场有关的电流密度可以通过波动诱导的隧穿传导理论很好地描述。 (C)2000 Elsevier Science B.V.保留所有权利。 [参考:6]

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