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Volume 37 Issue 2 April 2014 pp 263-271 Electronic Supplementary Material
Changlai Yuan Yun Yang Ying Luo Ling Yang Guohua Chen Xinyu Liu
A novel (1−𝑥)Ba0.7Bi0.3Fe0.9Sn0.1O3-𝑥BaCo$_{0.02}^{II}$ Co$_{0.04}^{III}$Bi0.94O3 (0.2 ≤ 𝑥 ≤ 0.9) negative temperature coefficient (NTC) thick film thermistors with high thermistor constant was prepared by screen printing. The values of room-temperature resistivity, thermistor constant and activation energy of the thick film thermistors, increasing with the addition of Ba0.7Bi0.3Fe0.9Sn0.1O3, are in the range of 35.5 𝛺cm-1.34 M𝛺 cm, 2067–6139 K and 0.177-0.527 eV, respectively. This means that the electrical properties of the thick films are adjustable at a wide range, depending on the compositions. Impedance analysis shows that the magnitude of thick film bulk resistance is mainly attributed to the contribution of grain boundary.
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Bulletin of Materials Science
Volume 46, 2023
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Dr Shanti Swarup Bhatnagar for Science and Technology
Posted on October 12, 2020Prof. Subi Jacob George — Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru
Chemical Sciences 2020Prof. Surajit Dhara — School of Physics, University of Hyderabad, Hyderabad
Physical Sciences 2020 -
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Posted on July 25, 2019Click here for Editorial Note on CAP Mode
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