Determination of two‐dimensional electron gas population enhancement within illuminated semiconductor heterostructures by persistent photoconductivity

1993 ◽  
Vol 73 (9) ◽  
pp. 4550-4554 ◽  
Author(s):  
E. A. Anagnostakis ◽  
D. E. Theodorou
Keyword(s):  
Electron Gas ◽  
Semiconductor Heterostructures ◽  
Two Dimensional ◽  
Persistent Photoconductivity ◽  
Dimensional Electron ◽  
Two Dimensional Electron Gas ◽  
Dimensional Electron Gas

Investigation of Traps in AlGaN/GaN Heterostructures by Ultrasonic Vibrations

2021 ◽  
Vol 66 (12) ◽  
pp. 1058
Author(s):  
V.V. Kaliuzhnyi ◽  
O.I. Liubchenko ◽  
M.D. Tymochko ◽  
Y.M. Olikh ◽  
V.P. Kladko ◽  
...  
Keyword(s):  
Carrier Density ◽  
Electron Gas ◽  
Two Dimensional ◽  
Ultrasonic Vibrations ◽  
Persistent Photoconductivity ◽  
Dimensional Electron ◽  
Two Dimensional Electron Gas ◽  
Dx Centers ◽  
Dimensional Electron Gas

A method of dynamic deformations has been proposed as a useful informative tool in the characterization of transportation properties of a two-dimensional electron gas (2DEG) in AlGaN/GaN heterostructures. It is found that the exposing of a sample to ultrasonic vibrations results in the persistent acousto-conductivity (PAC) which was observed up to room temperatures. The PAC behaves itself like persistent photoconductivity (PPC), and the carrier density in the 2DEG channel is primarily contributed by the transfer of electrons excited from traps (like DX centers) as a result of their reconstruction under the ultrasonic loading.

Two-dimensional electron gas and persistent photoconductivity inAlxGa1−xN/GaNheterostructures

1998 ◽  
Vol 58 (20) ◽  
pp. 13793-13798 ◽  
Author(s):  
T. Y. Lin ◽  
H. M. Chen ◽  
M. S. Tsai ◽  
Y. F. Chen ◽  
F. F. Fang ◽  
...  
Keyword(s):  
Electron Gas ◽  
Two Dimensional ◽  
Persistent Photoconductivity ◽  
Dimensional Electron ◽  
Two Dimensional Electron Gas ◽  
Dimensional Electron Gas

MICROWAVE AND MILLIMETERWAVE STUDIES OF THE TWO-DIMENSIONAL ELECTRON GAS IN HETEROSTRUCTURES AND MOSFETs

1989 ◽  
Vol 03 (08) ◽  
pp. 1129-1154
Author(s):  
F. KUCHAR
Keyword(s):  
Cyclotron Resonance ◽  
Carrier Mobility ◽  
Electron Gas ◽  
Quantum Hall ◽  
Semiconductor Heterostructures ◽  
Two Dimensional ◽  
Dimensional Electron ◽  
Two Dimensional Electron Gas ◽  
Spin Resonance ◽  
Dimensional Electron Gas

Experimental techniques for studying the two-dimensional electron gas in semiconductor heterostructures and MOSFETs at microwave and millimeterwave frequencies are reviewed. The phenomena described concern electrical conductivity, carrier mobility, cyclotron resonance, quantum Hall effect, depolarisation effects, and electron spin resonance.

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