Twin-Induced InSb Nanosails: A Convenient High Mobility Quantum System

被引:77
作者
de la Mata, Maria [1 ,2 ]
Leturcq, Renaud [3 ,4 ]
Plissard, Sebastien R. [5 ]
Rolland, Chloe [3 ,10 ]
Magen, Cesar [6 ,7 ]
Arbiol, Jordi [1 ,2 ,8 ]
Caroff, Philippe [3 ,9 ]
机构
[1] CSIC, Catalan Inst Nanosci & Nanotechnol ICN2, Campus UAB, Barcelona 08193, Spain
[2] Barcelona Inst Sci & Technol, Campus UAB, Barcelona 08193, Spain
[3] UMR CNRS 8520, Inst Elect Microelect & Nanotechnol, Ave Poincare,CS 60069, F-59652 Villeneuve Dascq, France
[4] Luxembourg Inst Sci & Technol, Mat Res & Technol MRT Dept, 5 Ave Hauts Fourneaux, L-4362 Esch Sur Alzette, Luxembourg
[5] Univ Toulouse, CNRS, Lab Anal & Architecture Syst, 7 Ave Colonel Roche, F-31400 Toulouse, France
[6] Univ Zaragoza, Inst Nanociencia Aragon INA ARAID, Lab Microscopias Avanzadas, Zaragoza 50018, Spain
[7] Univ Zaragoza, Dept Fis Mat Condensada, Zaragoza 50018, Spain
[8] Inst Catalana Recerca & Estudis Avancats ICREA, Barcelona 08010, Catalonia, Spain
[9] Australian Natl Univ, Res Sch Phys & Engn, Dept Elect Mat Engn, GPO Box 4, Canberra, ACT 0200, Australia
[10] Univ Paris Saclay, CEA Saclay, CNRS, SPEC,CEA, F-91191 Gif Sur Yvette, France
基金
澳大利亚研究理事会;
关键词
III-V semiconductor; nanowires; molecular beam epitaxy; Hall measurements; quantum point contact; Cs-corrected scanning transmission electron microscopy; III-V NANOWIRE; BIAS CONDUCTANCE PEAK; COMPOUND SEMICONDUCTOR; QUANTIZED CONDUCTANCE; THERMOELECTRIC FIGURE; HIGH-QUALITY; DEFECT-FREE; GROWTH; GAAS; POLARITY;
D O I
10.1021/acs.nanolett.5b05125
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Ultra narrow bandgap III-V semiconductor nanomaterials provide a unique platform for realizing advanced nanoelectronics, thermoelectrics, infrared photodetection, and quantum transport physics. In this work we employ molecular beam epitaxy to synthesize novel nanosheet-like InSb nanostructures exhibiting superior electronic performance. 1 Through careful morphological and crystallographic characterization we show how this unique geometry is the result of a single twinning event in an otherwise pure zinc blende structure. Four-terminal electrical measurements performed in both the Hall and van der Pauw configurations reveal a room temperature electron mobility greater than 12 000 cm(2).V-1.s(-1). Quantized conductance in a quantum point contact processed with a split-gate configuration is also demonstrated. We thus introduce InSb "nanosails" as a versatile and convenient platform for realizing new device and physics experiments with a strong interplay between electronic and spin degrees of freedom.
引用
收藏
页码:825 / 833
页数:9
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