Crystalline to amorphous transformation in solid-solution alloy nanoparticles induced by boron doping,Chemical Communications

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Crystalline to amorphous transformation in solid-solution alloy nanoparticles induced by boron doping
Chemical Communications ( IF 4.3 ) Pub Date : 2020-09-25 , DOI: 10.1039/d0cc05418f
Keigo Kobayashi _{1,

2,

3,

4} , Kohei Kusada _{1,

2,

3,

4} , Dongshuang Wu _{1,

2,

3,

4} , Naoki Ogiwara _{1,

2,

3,

4} , Hirokazu Kobayashi _{1,

2,

3,

4,

5} , Mitsutaka Haruta _{2,

4,

6,

7} , Hiroki Kurata _{2,

4,

6,

7} , Satoshi Hiroi _{4,

8,

9,

10,

11} , Okkyun Seo _{4,

8,

9,

10,

11} , Chulho Song _{4,

11,

12,

13} , Yanna Chen _{4,

8,

9,

10,

11} , Jaemyung Kim _{4,

11,

12,

13} , Akhil Tayal _{4,

11,

12,

13} , Osami Sakata _{4,

8,

9,

10,

11} , Koji Ohara _{4,

14,

15} , Tetsuo Honma _{4,

14,

15} , Hiroshi Kitagawa _{1,

2,

3,

4,

16}

Affiliation

Division of Chemistry, Graduate School of Science
Kyoto University
Kyoto 606-8502
Japan
Precursory Research for Embryonic Science and Technology (PRESTO)
Institute for Chemical Research
Kyoto 611-0011
Synchrotron X-ray Group
Research Center for Advanced Measurement and Characterization
National Institute for Materials Science (NIMS)
Hyogo 679-5148
Synchrotron X-ray Station at SPring-8
NIMS
Japan Synchrotron Radiation Research Institute
Hyogo 679-5198
INAMORI Frontier Research Center

We synthesized a palladium–ruthenium–boron (Pd–Ru–B) solid-solution ternary alloy. Elemental mappings confirmed successful alloying of B with Pd–Ru body without changing the particle sizes, demonstrating the first discovery of this ternary alloy. Pair distribution function analysis revealed a drastic decrease in atomic correlation in Pd–Ru nanoparticles by B doping. This result gives the first example of structural transformation from crystalline to amorphous in solid-solution alloy nanoparticles induced by the doping of light elements.

中文翻译：

硼掺杂引起固溶合金纳米颗粒的晶体向非晶态转变

我们合成了钯-钌-硼（Pd-Ru-B）固溶三元合金。元素映射证实了B与Pd-Ru体的成功合金化而没有改变粒径，这表明了这种三元合金的首次发现。偶对分布函数分析显示，通过B掺杂，Pd-Ru纳米粒子的原子相关性急剧降低。该结果给出了由轻元素掺杂引起的固溶合金纳米颗粒中从晶体到非晶结构转变的第一个例子。

更新日期：2020-09-25

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