Te-doped selective-area grown InAs nanowires for superconducting hybrid devices
Te-doped selective-area grown InAs nanowires for superconducting hybrid devices
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用于超导混合器件的掺碲选择性区域生长 InAs 纳米线
DOI:
10.1103/physrevmaterials.6.024602
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发表时间:
2022
影响因子:
3.4
通讯作者:
Perla P
中科院分区:
文献类型:
--
作者:
Perla P
Semiconductor nanowires have emerged as versatile components in superconducting hybrid devices for Majorana physics and quantum computing. The transport properties of nanowires can be tuned either by field effect or doping. We investigated a series of InAs nanowires the conductivity of which has been modified by-type doping using tellurium. In addition to electron microscopy studies, the wires were also examined with atomic probe tomography to obtain information about the local incorporation of Te atoms. It was found that the Te atoms mainly accumulate in the core of the nanowire and at the corners of the {110} side facets. The efficiency of-type doping was also confirmed by transport measurements. As a demonstrator hybrid device, a Josephson junction was fabricated using a nanowire as a weak link. The corresponding measurements showed a clear increase of the critical current with increase of the dopant concentration.
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DOI:
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