# Quantum reflection and transmission of ballistic two-dimensional electrons by a potential barrier

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- Single electron transport in a two-dimensional electron gas system with modulated barriers: A... Odintsov, A.A. // Applied Physics Letters;6/10/1991, Vol. 58 Issue 23, p2695
Studies a small laterally confined area of the two-dimensional electron gas (2DEG) separated from 2 wide 2DEG regions by potential barriers. Control of the transparencies of the barriers by the split gate voltages.

- Temperature and Pinning Effects on Driving a 2D Electron System on a Helium Film: A Numerical Study. Damasceno, Pablo F.; DaSilva, Cl�udio Jos�; Rino, Jos� Pedro; C�ndido, Ladir // Journal of Low Temperature Physics;Jul2010, Vol. 160 Issue 1/2, p58
Using numerical simulations we investigated the dynamic response to an externally driven force of a classical two-dimensional (2D) electron system on a helium film at finite temperatures. A potential barrier located at the center of the system behaves as a pinning center that results in an...

- Contactless electroreflectance evidence for reduction in the surface potential barrier in AlGaN/GaN heterostructures passivated by SiN layer. Kudrawiec, R.; Paszkiewicz, B.; Motyka, M.; Misiewicz, J.; Derluyn, J.; Lorenz, A.; Cheng, K.; Das, J.; Germain, M. // Journal of Applied Physics;Nov2008, Vol. 104 Issue 9, p096108
Contactless electroreflectance (CER) has been applied to study the AlGaN potential-barrier height in AlGaN/GaN heterostructures without and with a SiN passivation layer. In the case of an unpassivated structure, an AlGaN band-edge signal with a strong Franzâ€“Keldysh oscillation (FKO) was...

- The electronic and transport properties of a molecular junction studied by an integrated piecewise thermal equilibrium approach. Tsai, M.-H.; Lu, T.-H.; Tang, Y.-H. // Journal of Applied Physics;Aug2008, Vol. 104 Issue 4, p043703
An integrated piecewise thermal equilibrium approach based on the first-principles calculation method has been developed to calculate bias dependent electronic structures and current- and differential conductance-voltage characteristics of the gold-benzene-1,4-dithiol-gold molecular junction....

- Electrical properties of the InP/InGaAs pnp heterostructure-emitter bipolar transistor. Tsai, J. H.; Liu, W. Ch.; Guo, D. F.; Kang, Y. Ch.; Chiu, Sh. Y.; Lour, W. Sh. // Semiconductors;Mar2008, Vol. 42 Issue 3, p346
The dc performances of an InP/InGaAs pnp heterostructure-emitter bipolar transistor are investigated by theoretical analysis and experimental results. Though the valence band discontinuity at the InP/InGaAs heterojunction is relatively large, the addition of a heavily-doped as well as thin p...

- Effect of polarization on the intensity of anomalous electron emission in the (1 âˆ’ x)PbMg1/3Nb2/3O3 + xPbTiO3 system. Kozakov, A. T.; Nikol'skiĭ, A. V.; Sakhnenko, V. P.; Pavlov, A. N.; Smotrakov, V. G.; Eremkin, V. V. // Physics of the Solid State;Jul2009, Vol. 51 Issue 7, p1385
Spectra of anomalous electron emission from the surface of solid solutions in the (1 âˆ’ x)PbMg1/3Nb2/3O3 + xPbTiO3 system with x = 0.06, 0.10, 0.13, 0.20, and 0.25 have been studied. While the energy characteristics of the anomalous electron emission spectra vary monotonically with x, the...

- Tunnel Magnetoresistance Oscillations in a Ferromagnet—Insulator—Ferromagnet System. Ignatenko, S. A.; Danilyuk, A. L.; Borisenko, V. E. // Technical Physics;Jun2005, Vol. 50 Issue 6, p680
A model of spin-dependent transport of electrons through a ferromagnetâ€“insulatorâ€“ferromagnet structure is developed. It takes into account the image forces, tunnel barrier parameters, and effective masses of an electron tunneling in the barrier and in the ferromagnetic electrode in...

- Field emission of electrons from cylindrical metallic surfaces. Sodha, Mahendra Singh; Dixit, Amrit // Journal of Applied Physics;Oct2008, Vol. 104 Issue 8, p084908
In this communication the authors have derived an almost exact expression for the tunneling probability of an electron through the surface potential barrier on account of a negative charge on a cylindrical metallic dust particle and have used it to obtain the field emission current density from...

- Effect of Debye shielding on electric field emission from spherical and cylindrical surfaces. Sodha, Mahendra Singh; Dixit, Amrit // Journal of Applied Physics;Feb2009, Vol. 105 Issue 3, pN.PAG
In this paper the authors have derived almost exact expressions for the tunneling probability of an electron through the surface potential barrier on account of a negative charge on spherical and cylindrical metallic dust particles; Debye shielding has been taken into account. Expressions for...