scholarly journals Giant asymmetry of the longitudinal magnetoresistance in high-mobility two-dimensional electron gas on a cylindrical surface

2007 ◽  
Vol 75 (20) ◽  
Author(s):  
A. B. Vorob’ev ◽  
K.-J. Friedland ◽  
H. Kostial ◽  
R. Hey ◽  
U. Jahn ◽  
...  
Keyword(s):  
Cylindrical Surface ◽  
Electron Gas ◽  
High Mobility ◽  
Two Dimensional ◽  
Dimensional Electron ◽  
Two Dimensional Electron Gas ◽  
Dimensional Electron Gas ◽  
Longitudinal Magnetoresistance

RESPONSE OF A 2DEG TO MICROWAVE IRRADIATION

2007 ◽  
Vol 21 (08n09) ◽  
pp. 1579-1583 ◽  
Author(s):  
S. Moreau ◽  
O. M. Fedorych ◽  
M. L. Sadowski ◽  
M. Potemski ◽  
S. Studenikin ◽  
...  
Keyword(s):  
Microwave Irradiation ◽  
Electron Gas ◽  
High Mobility ◽  
Light Illumination ◽  
Two Dimensional ◽  
Dimensional Electron ◽  
Two Dimensional Electron Gas ◽  
Visible Light Illumination ◽  
Dimensional Electron Gas ◽  
Absorption Measurements

In this paper, we study the behavior of a high mobility two dimensional electron gas under microwave irradiation by means of magneto-photoluminescence (PL) and absorption measurements. The high mobility sample investigated is a 15nm wide GaAs/AlGaAs quantum well with an electron concentration between 1-2×1011 cm -2, tunable by visible-light illumination. Structures in the microwave absorption at 40-60GHz are identified as geometrically confined magneto-plasmons.

Superconductivity in AuNiGe Ohmic contacts to a GaAs-based high mobility two-dimensional electron gas

2020 ◽  
Vol 117 (16) ◽  
pp. 162104
Author(s):  
C. B. Beauchamp ◽  
S. Dimitriadis ◽  
J. T. Nicholls ◽  
L. V. Levitin ◽  
A. J. Casey ◽  
...  
Keyword(s):  
Ohmic Contacts ◽  
Electron Gas ◽  
High Mobility ◽  
Two Dimensional ◽  
Dimensional Electron ◽  
Two Dimensional Electron Gas ◽  
Dimensional Electron Gas
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