Hydrogen-induced crystal structural transformation of FePt nanoparticles at low temperature

Nakaya M; Kanehara M; Yamauchi M; Kitagawa H; Teranishi T

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Hydrogen-induced crystal structural transformation of FePt nanoparticles at low temperature

机译：氢致FePt纳米粒子的低温晶体结构转变

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The hydrogen-induced crystal structural transformation of FePt nanoparticles from a chemically disordered face-centered-cubic (fcc) structure to a chemically ordered L1(0) structure was first demonstrated at around 300 degrees C. The hydrogen treatment at low temperature led to not complete but considerable suppression of the nanoparticle coalescence. The obtained L1(0)-FePt nanoparticles exhibited ferromagnetic property with large coercivity at room temperature. The ordering degree of FePt nanoparticles was dependent on both the hydrogen pressure and treatment time.

机译：FePt纳米颗粒由氢诱导的晶体结构从化学无序的面心立方（fcc）结构转变为化学有序的L1（0）结构的首次证明是在300摄氏度左右进行的。低温氢处理导致没有完全但相当大地抑制了纳米粒子的聚结。所获得的L1（0）-FePt纳米粒子在室温下显示出具有大矫顽力的铁磁特性。 FePt纳米粒子的有序度取决于氢气压力和处理时间。

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《The journal of physical chemistry, C. Nanomaterials and interfaces》 |2007年第20期|共4页
作者
Nakaya M; Kanehara M; Yamauchi M; Kitagawa H; Teranishi T;
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正文语种 eng
中图分类特种结构材料;表面现象的物理化学;
关键词
THERMAL-STABILITY; HIGH COERCIVITY; SUPERLATTICES; REDUCTION;

机译：热稳定性;高矫顽力;超晶格;还原;

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1. Hydrogen-induced crystal structural transformation of FePt nanoparticles at low temperature [J] . Nakaya M, Kanehara M, Yamauchi M, The journal of physical chemistry, C. Nanomaterials and interfaces . 2007,第20期

机译：氢致FePt纳米粒子的低温晶体结构转变
2. Low temperature structural transformations on the (001) surface of SrTiO(3)single crystals [J] . Krainyukova N. V., Hamalii V. O., Peschanskii A. V., Low temperature physics: Simultaneous Russian - English publication . 2020,第7期

机译：SRTIO（3）单晶（3）单晶（3）单晶（001）表面上的低温结构变换
3. Structural features of martensitic transformations upon the low-temperature deformation of metastable austenitic Fe-Cr-Ni alloy single crystals [J] . Utevskii L.M., Skibina L.V., Pankova M.N., Bulletin of the Russian Academy of Sciences. Physics . 2010,第11期

机译：亚稳奥氏体Fe-Cr-Ni合金单晶低温变形时马氏体相变的结构特征
4. Effect of High Pressure Hydrogen on Crystal Structural Transformation of FePt Nanoparticles at Low Temperature [C] . M. Nakaya, M. Kanehara, M. Yamauchi, Intermag Conference . 2006

机译：高压氢对低温纳米粒子晶体结构变换的影响
5. Precipitation and Transformation of Iron-Sulfide Nanoparticles in Low-Temperature Aqueous Environment: Effects of Reactant Iron and Sulfide Sources [D] . Moreno Flores, Ezequiel A. 2019

机译：低温含水环境中铁 - 硫化物纳米粒子的沉淀和转化：反应物铁和硫化物源的影响
6. Investigations of Phase Transformation in Monocrystalline Silicon at Low Temperatures via Nanoindentation [O] . Shunbo Wang, Hang Liu, Lixia Xu, -1

机译：纳米压痕研究低温下单晶硅的相变
7. Hydrogen-Induced Crystal Structural Transformation of FePt Nanoparticles at Low Temperature [O] . -1

机译：低温氢诱导的氢纳米粒子的晶体结构转化

Hydrogen-induced crystal structural transformation of FePt nanoparticles at low temperature

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