Combinatorial screening of ternary NiO- Mn 2O 3-CuO composition spreads

D. A. Kukuruznyak, P. Ahmet, T. Chikyow, A. Yamamoto, F. S. Ohuchi

研究成果: Article査読

10 被引用数 (Scopus)

抄録

We describe the screening of large combinatorial oxide libraries for their electric transport characteristics. Complete ternary composition spreads of NiO- Mn2 O3 -CuO oxide alloys were deposited onto conducting Nb-doped SrTi O3 substrates using the combinatorial pulsed laser deposition technique. Resistance-temperature relations for each composition in the spread were determined using a custom-designed scanning probe. Ternary and binary electrically conducting alloys are located around Ni0.45 Cu0.75 Mn1.65 O4 (the lowest resistance point) and Cu Mn2 O4 compositions, respectively. The temperature sensitivities of the compositions Ni0.3 Cu0.3 Mn2.4 O4, Cu0.84 Mn2.16 O4, and Cu1.35 Mn1.65 O4 were 5.0%/°C, 3.5%/°C, and 3.0%/°C, respectively. From this screening we propose compounds for thin-film negative temperature coefficient thermistors with standardized characteristics.

本文言語English
論文番号043710
ジャーナルJournal of Applied Physics
98
4
DOI
出版ステータスPublished - 2005 8月 15
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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