Studies on the Preparation and Properties of Ni0.75Mn2.25O4 NTC Ceramic

Author:

Xu Puhao1,Hou Haigang1,Ding Yongkang1,Shaheen Asma2,Liu Guiwu1,Qiao Guanjun1

Affiliation:

1. Research School of Polymeric Materials, School of Materials Science & Engineering, Jiangsu University, Zhenjiang, 212013, China

2. Department of Earth Science, University of Sargodha, Sargodha, 40100, Pakistan

Abstract

Ni0.75Mn2.25O4 NTC ceramics were synthesized by co-precipitation and solid-state method. Their phase, microstructure and electrical performances were analyzed by X-ray diffractometer (XRD), scanning electron microscopy (SEM) and Multifunctional digital multimeter respectively. The Ni0.75Mn2.25O4 NTC ceramics synthesized by the co-precipitation method has a lower sintering temperature, higher bulk density, smaller grain size and higher ρ25 °C (4905 Ω cm) and B (4448 K) compared with the samples fabricated by the solid-state method.

Publisher

American Scientific Publishers

Subject

Electrical and Electronic Engineering,Electronic, Optical and Magnetic Materials

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