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Author:

刘丹敏 (刘丹敏.) (Scholars:刘丹敏) | 王少博 (王少博.) | 梁允田 (梁允田.) | 徐国梁 (徐国梁.) | 张振路 (张振路.)

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incoPat zhihuiya

Abstract:

本发明涉及一种具有大磁熵变和宽工作温区的Mn5Ge3/(Mn, Fe)5Ge3类单晶异质结室温磁制冷材料及其制备工艺。以单质Mn、Fe、P、Ge和Sn为原材料,按照Mn2‑xFexP1‑yGeySn12(0.80≤x≤0.90, 0.20≤y≤0.26)的成分配比将原材料混合并封装在充入Ar气的石英管中,经过高温保温、缓慢降温、倾倒熔融金属Sn以及酸洗分离等过程,首次成功制备出了直径约为100~300μm、长度最大可达1cm的针状Mn5Ge3/(Mn, Fe)5Ge3类单晶异质结室温磁制冷材料。该室温磁制冷材料具有大磁熵变、宽工作温区、大制冷能力以及无需后续加工且耐酸腐蚀等优点,可直接用做室温磁制冷工质。

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Patent Info :

Type: 发明授权

Patent No.: CN201910742765.5

Filing Date: 2019-08-13

Publication Date: 2021-09-10

Pub. No.: CN110556221B

Applicants: 北京工业大学

Legal Status: 授权

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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