Operation of graphene quantum Hall resistance standard in a cryogen-free table-top system
Operation of graphene quantum Hall resistance standard in a cryogen-free table-top system
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DOI：
10.1088/2053-1583/2/3/035015
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发表时间：
2015-09-01
期刊：
影响因子：
5.5
通讯作者：
Yakimova, R.
中科院分区：
文献类型：
--
作者：
Janssen, T. J. B. M.;Rozhko, S.;Yakimova, R.
我们展示了量子霍尔电阻测量的精度在一个小的无致冷剂系统中工作在3.8 K的温度和低于5 T的磁场。操作该系统需要很少的实验知识或实验室基础设施，从而大大促进了精密电气计量的初级量子标准的扩散。这一技术上的重大进步是由于SiC上外延石墨烯的独特性质。
We demonstrate quantum Hall resistance measurements with metrological accuracy in a small cryogen-free system operating at a temperature of around 3.8 K and magnetic fields below 5 T. Operating this system requires little experimental knowledge or laboratory infrastructure, thereby greatly advancing the proliferation of primary quantum standards for precision electrical metrology. This significant advance in technology has come about as a result of the unique properties of epitaxial graphene on SiC.