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Microstructure and variable emittance property of annealed La-Sr-Mn-O films |
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| Authors: | JIANG Shaoqun MA XinXin TANG Guangze WANG Zehua WANG Gang ZHOU Zehua |
| Affiliation: | JIANG Shaoqun1,2,MA Xinxin 2,TANG Guangze2,WANG Zehua 1,WANG Gang2,ZHOU Zehua 1 (1.College of Mechanics and Materials,Hohai University,Nanjing 210098,China,2.School of Materials Science and Engineering,Harbin Institute of Technology,Harbin 150001,China) |
| Abstract: | The La-Sr-Mn-O films were deposited on Si(100) substrates by DC magnetron sputtering and followed by air annealing at 973 K for 1 h.The microstructure and temperature dependence of total hemispherical emittance ( H) of the annealed La-Sr-Mn-O films prepared at various processing parameters were investigated.The results indicated the films deposited at lower sputtering pressure and lower O2/(O2+Ar) volume proportion (RO) were present in rhombohedral perovskite structure and the length of Mn-O bond was shorte... |
| Keywords: | manganese oxide thin film thermal control variable emittance metal-insulator transition rare earths |
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