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Title: Two-dimensional electron gas in monolayer InN quantum wells

Journal Article · · Applied Physics Letters
DOI:https://doi.org/10.1063/1.4902916· OSTI ID:1183081
 [1];  [2];  [1];  [2];  [3]
  1. Sandia National Laboratories, Albuquerque, NM (United States)
  2. Boston Univ., Boston, MA (United States)
  3. Princeton Univ., NJ (United States)

We report in this letter experimental results that confirm the two-dimensional nature of the electron systems in monolayer InN quantum wells embedded in GaN barriers. The electron density and mobility of the two-dimensional electron system (2DES) in these InN quantum wells are 5×1015 cm-2 and 420 cm2 /Vs, respectively. Moreover, the diagonal resistance of the 2DES shows virtually no temperature dependence in a wide temperature range, indicating the topological nature of the 2DES.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC04-94AL85000
OSTI ID:
1183081
Report Number(s):
SAND2014-16698J; APPLAB; 534591
Journal Information:
Applied Physics Letters, Vol. 105, Issue 21; ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 17 works
Citation information provided by
Web of Science

References (24)

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When group-III nitrides go infrared: New properties and perspectives journal July 2009
Recent advances in wide bandgap semiconductor biological and gas sensors journal January 2010
Polarization-Driven Topological Insulator Transition in a GaN / InN / GaN Quantum Well journal November 2012
Quantum Spin Hall Effect and Topological Phase Transition in HgTe Quantum Wells journal December 2006
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Quantum Spin Hall Effect in Inverted Type-II Semiconductors journal June 2008
Evidence for Helical Edge Modes in Inverted InAs / GaSb Quantum Wells journal September 2011
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Proposal and achievement of novel structure InN∕GaN multiple quantum wells consisting of 1 ML and fractional monolayer InN wells inserted in GaN matrix journal February 2007
Growth and properties of near-UV light emitting diodes based on InN/GaN quantum wells journal May 2008
Observation of an inverted band structure near the surface of InN journal July 2008
(Invited) Experimental Evidence that the Plasma-Assisted MBE Growth of Nitride Alloys is a Liquid Phase Epitaxy Process journal April 2011
The role of liquid phase epitaxy during growth of AlGaN by MBE journal December 2011
Electronic structure of a single-layer InN quantum well in a GaN matrix journal March 2013
Photoluminescence and pressure effects in short period InN/ n GaN superlattices journal March 2013
Electronic properties of two-dimensional systems journal April 1982
Growth Optimization of an Electron Confining InN/GaN Quantum Well Heterostructure journal January 2007
Suppression of the magneto resistance in high electric fields of polyacetylene nanofibers journal June 2010
The role of dislocation-induced scattering in electronic transport in GaxIn1-xN alloys journal January 2012
Temperature dependence of the resistance of a two-dimensional topological insulator in a HgTe quantum well journal March 2014
Low-temperature surface conduction in the Kondo insulator SmB 6 journal November 2013
Measurement and effects of polarization fields on one-monolayer-thick InN/GaN multiple quantum wells journal September 2013

Cited By (1)

Exciton emission of quasi-2D InGaN in GaN matrix grown by molecular beam epitaxy journal April 2017

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