| Preparation of LiNbO_3 films on Si(111) substrates by a modified sol-gel process |
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| 作者姓名： | 强亮生 唐冬雁 徐崇泉 张洪喜 |
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| 作者单位： | Dept. of Applied Chemistry，Harbin Institute of Technology，Harbin 150001，China |
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| 摘 要： | 0 ＩＮＴＲＯＤＵＣＴＩＯＮＬｉＮｂＯ3ｉｓａｎｅｘｃｅｌｌｅｎｔｆｅｒｒｏｅｌｅｃｔｒｉｃｍａｔｅｒｉａｌ.Ｎｕｍｅｒ ｏｕｓａｔｔｅｍｐｔｓｈａｖｅｂｅｅｎｍａｄｅｏｎｔｈｅｄｅｐｏｓｉｔｉｏｎｏｆｔｈｉｎｆｉｌｍｓｏｆＬｉＮｂＯ3ｔｈｒｏｕｇｈｄｉｆｆｅｒｅｎｔｔｅｃｈｎｉｑｕｅｓ1～ 3] .Ｉｎｏｒ ｄｅｒｔｏｃｏｍｂｉｎｅｔｈｅｏｐｔｉｃａｌｐｒｏｐｅｒｔｉｅｓｏｆＬｉＮｂＯ3ｗｉｔｈｔｈｅｅｌｅｃｔｒｉｃａｌｐｒｏｐｅｒｔｉｅｓｏｆｓｉｌｉｃｏｎ ,ｉｔｉｓｏｆｇｒｅａｔｉｍｐｏｒｔａｎｃｅｔｏ…
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Preparation of LiNbO3 films on Si( 111 ) substrates by a modified sol-gel process |
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| QIANG Liang sheng,TANG Dong yan,XU Chong quan,ZHANG Hong xi.Preparation of LiNbO_3 films on Si(111) substrates by a modified sol-gel process[J].Journal of Harbin Institute of Technology,2002,9(3). |
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| Authors: | QIANG Liang sheng TANG Dong yan XU Chong quan ZHANG Hong xi |
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| Abstract: | The preparation of LiNbO 3 films on Si substrates was improved by adding CH 3CH 2OH solution containing a little water to the sol of LiNb(OC 2H 5) 6. The crystallization behavior of LiNbO 3 films on Si (111) substrates was studied and completely c axis oriented LiNbO 3 films were obtained. Such factors as the hydrogen termination of silicon surface, the RTP annealing process used, the unidirectional heat flow and the preheating temperature were taken into consideration while the crystallization of c axis oriented films was analysed. Surface morphologies of the films annealed in RTP and conventional furnaces were observed by means of AFM. |
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| Keywords: | LiNbO 3 film crystallization behavior Si substrate sol gel |
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