Kosuke Hashimoto, Takashi Sumida, S. Fukui, T. Hirato, T. Nagata, H. Yamamoto, N. Iwata
{"title":"YAlO3(001)衬底上Cr2O3薄膜的晶体生长","authors":"Kosuke Hashimoto, Takashi Sumida, S. Fukui, T. Hirato, T. Nagata, H. Yamamoto, N. Iwata","doi":"10.14723/TMRSJ.42.5","DOIUrl":null,"url":null,"abstract":"The Cr 2 O 3 thin films are fabricated on YAlO 3 (YAO)(0 0 1) substrates etched with 5M and 12M NaOH solutions. After the etching with 12M NaOH solution, the YAO surface showed step-terraces structure with the step height of one unit. The surface morphology of Cr 2 O 3 thin films grown on 5M, 12M etched YAO and r -cut sapphire substrate is almost similar even though the crystal structure of YAO is orthorhombic. Focusing on one grain of Cr 2 O 3 thin film, the surface is two dimensionally flat with approximately unit step of 0.36nm. The Cr 2 O 3 films expitaxially grow with the relationship of Cr 2 O 3 ±[1 1 0] // YAO[1 0 0], Cr 2 O 3 ±[ 0], double-sign corresponds, and Cr 2 O 3 (1 2) // YAO(0 0 1).","PeriodicalId":23220,"journal":{"name":"Transactions-Materials Research Society of Japan","volume":"24 1","pages":"5-7"},"PeriodicalIF":0.0000,"publicationDate":"2017-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Crystal Growth of Cr2O3 Thin Films on YAlO3(001) Substrate\",\"authors\":\"Kosuke Hashimoto, Takashi Sumida, S. Fukui, T. Hirato, T. Nagata, H. Yamamoto, N. Iwata\",\"doi\":\"10.14723/TMRSJ.42.5\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The Cr 2 O 3 thin films are fabricated on YAlO 3 (YAO)(0 0 1) substrates etched with 5M and 12M NaOH solutions. After the etching with 12M NaOH solution, the YAO surface showed step-terraces structure with the step height of one unit. The surface morphology of Cr 2 O 3 thin films grown on 5M, 12M etched YAO and r -cut sapphire substrate is almost similar even though the crystal structure of YAO is orthorhombic. Focusing on one grain of Cr 2 O 3 thin film, the surface is two dimensionally flat with approximately unit step of 0.36nm. The Cr 2 O 3 films expitaxially grow with the relationship of Cr 2 O 3 ±[1 1 0] // YAO[1 0 0], Cr 2 O 3 ±[ 0], double-sign corresponds, and Cr 2 O 3 (1 2) // YAO(0 0 1).\",\"PeriodicalId\":23220,\"journal\":{\"name\":\"Transactions-Materials Research Society of Japan\",\"volume\":\"24 1\",\"pages\":\"5-7\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2017-02-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Transactions-Materials Research Society of Japan\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.14723/TMRSJ.42.5\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Transactions-Materials Research Society of Japan","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.14723/TMRSJ.42.5","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Crystal Growth of Cr2O3 Thin Films on YAlO3(001) Substrate
The Cr 2 O 3 thin films are fabricated on YAlO 3 (YAO)(0 0 1) substrates etched with 5M and 12M NaOH solutions. After the etching with 12M NaOH solution, the YAO surface showed step-terraces structure with the step height of one unit. The surface morphology of Cr 2 O 3 thin films grown on 5M, 12M etched YAO and r -cut sapphire substrate is almost similar even though the crystal structure of YAO is orthorhombic. Focusing on one grain of Cr 2 O 3 thin film, the surface is two dimensionally flat with approximately unit step of 0.36nm. The Cr 2 O 3 films expitaxially grow with the relationship of Cr 2 O 3 ±[1 1 0] // YAO[1 0 0], Cr 2 O 3 ±[ 0], double-sign corresponds, and Cr 2 O 3 (1 2) // YAO(0 0 1).
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