{"title":"闭式循环制冷机中量子霍尔效应的实现","authors":"J. Kučera, M. Sira, P. Svoboda, J. Kaštil","doi":"10.1109/CPEM.2016.7540772","DOIUrl":null,"url":null,"abstract":"Today a quantum Hall resistance standard (QHR) is realized in measurement setups with external supply of liquid helium. Operation costs due to helium prices and/or infrastructure needed to recycle evaporated helium gas are significant. The discovery of Quantum Hall effect in graphene made possible the measurement setup without an external supply of liquid helium. Such a setup could lead to cost-saving dissemination of intrinsically referenced resistance standards to all end-users relying on electrical measurements. Two setups based on closed cycle of helium were tested and experiment results are discussed.","PeriodicalId":415488,"journal":{"name":"2016 Conference on Precision Electromagnetic Measurements (CPEM 2016)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2016-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":"{\"title\":\"Realization of quantum Hall effect in closed cycle refrigerators\",\"authors\":\"J. Kučera, M. Sira, P. Svoboda, J. Kaštil\",\"doi\":\"10.1109/CPEM.2016.7540772\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Today a quantum Hall resistance standard (QHR) is realized in measurement setups with external supply of liquid helium. Operation costs due to helium prices and/or infrastructure needed to recycle evaporated helium gas are significant. The discovery of Quantum Hall effect in graphene made possible the measurement setup without an external supply of liquid helium. Such a setup could lead to cost-saving dissemination of intrinsically referenced resistance standards to all end-users relying on electrical measurements. Two setups based on closed cycle of helium were tested and experiment results are discussed.\",\"PeriodicalId\":415488,\"journal\":{\"name\":\"2016 Conference on Precision Electromagnetic Measurements (CPEM 2016)\",\"volume\":\"45 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2016-07-10\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"4\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2016 Conference on Precision Electromagnetic Measurements (CPEM 2016)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/CPEM.2016.7540772\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2016 Conference on Precision Electromagnetic Measurements (CPEM 2016)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CPEM.2016.7540772","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Realization of quantum Hall effect in closed cycle refrigerators
Today a quantum Hall resistance standard (QHR) is realized in measurement setups with external supply of liquid helium. Operation costs due to helium prices and/or infrastructure needed to recycle evaporated helium gas are significant. The discovery of Quantum Hall effect in graphene made possible the measurement setup without an external supply of liquid helium. Such a setup could lead to cost-saving dissemination of intrinsically referenced resistance standards to all end-users relying on electrical measurements. Two setups based on closed cycle of helium were tested and experiment results are discussed.
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