纳米级Pd/Cu/Fe薄膜在氢气热处理过程中的相、结构转变和磁性能

2022 IEEE 41st International Conference on Electronics and Nanotechnology (ELNANO) Pub Date : 2022-10-10 DOI:10.1109/ELNANO54667.2022.9926757

P. Makushko, M. N. Shamis, D. O. Horodnycha, K. O. Graivoronska, T. I. Verbytska, Yu. M. Makogon

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引用次数: 0

摘要

研究了纳米级Pd/Fe和Pd/Cu/Fe薄膜成分在600℃~ 700℃的氢气气氛中热处理和两阶段热处理(快速退火和后续氢气退火)过程中的相和结构变化。结果表明，由于热激活固相反应和无序A1-FePd相的形成，氢原子的引入，使单晶胞的体积和薄膜的电子结构发生变化，促进了薄膜向顺磁性态的转变。

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Phase, Structural Transformations and Magnetic Properties in Nanoscale Pd/Cu/Fe Film Compositions during Heat Treatment in Hydrogen

The phase and structural transformations in nanoscale Pd/Fe and Pd/Cu/Fe film compositions during heat treatment in a hydrogen atmosphere in the temperature range of 600 °C-700 °C and two-stage heat treatment (rapid heat annealing and subsequent annealing in hydrogen) were investigated. It was established that as a result of thermally activated solid-state reactions and the formation of a disordered A1-FePd phase, hydrogen atoms are introduced, the volume of the unit cell and the electronic structure of the film change which promotes its transition to the paramagnetic state.

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2022 IEEE 41st International Conference on Electronics and Nanotechnology (ELNANO)

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