高灵敏超稳定热敏电阻用钴掺杂锰基氧化物材料的制备

IF 4.3 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Chemistry and Physics Pub Date : 2025-05-18 DOI:10.1016/j.matchemphys.2025.131034

Yuanhao Tian , Jian Cai , Yaohui Zhao , Shuquan Xu , Tao Bai , Donghui Xing , Ruixuan Xiang , Susu Chen , Chenhao Zhu , Liyang Lin , Shahid Hussain

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引用次数: 0

摘要

集成电子器件对热材料的灵敏度和稳定性提出了更高的要求。本文报道了采用固相法成功制备了具有高灵敏度和超稳定热敏性能的钴掺杂锰基氧化物（MCN）材料。其中，900℃煅烧处理的MCN热敏材料（MCN900）具有纯NiMn2O4尖晶石结构，颗粒具有一定的规则形态（直径约为1 μm）。用该材料制备的热敏电阻器件表现出显著的负温度系数（NTC）效应，在三次独立的温升测试中显示出几乎一致的数据结果。其B30-80值达到2482.56 K，而MCN700和MN700在不同煅烧温度和原料配比下的B30-80值分别仅为1944.64K和2143.03K。

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Preparation of cobalt-doped manganese-based oxide materials for high-sensitive and ultra-stable thermistors

Integrated electronic devices place higher demands on the sensitivity and stability of thermal materials. In this paper, we report the successful preparation of cobalt-doped manganese-based oxide (MCN) materials with highly sensitive and ultra-stable thermosensitive properties using a solid phase method. Among them, the MCN thermosensitive material (MCN900) treated by calcination at 900 °C has a pure NiMn₂O₄ spinel structure, which exhibits particles of a certain regular morphology (about 1 μm in diameter). The thermistor device prepared from this material exhibits a significant negative temperature coefficient (NTC) effect, showing almost consistent data results in three independent temperature rise tests. Its B_30-80 value reaches 2482.56 K, while the B_30-80 values of MCN700 and MN700 at different calcination temperatures and raw material ratios are only 1944.64K and 2143.03K, respectively.

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来源期刊

Materials Chemistry and Physics 工程技术-材料科学：综合

CiteScore

8.70

自引率

4.30%

发文量

1515

审稿时长

69 days

期刊介绍： Materials Chemistry and Physics is devoted to short communications, full-length research papers and feature articles on interrelationships among structure, properties, processing and performance of materials. The Editors welcome manuscripts on thin films, surface and interface science, materials degradation and reliability, metallurgy, semiconductors and optoelectronic materials, fine ceramics, magnetics, superconductors, specialty polymers, nano-materials and composite materials.