PHONON CONFINEMENT AND SCREENING EFFECTS ON THE POLARON ENERGY IN QUANTUM WIRES

被引：2
|
作者：
TANATAR, B
GUVEN, K
机构：
[1] Dept. of Phys., Bilkent Univ., Ankara
来源：
SEMICONDUCTOR SCIENCE AND TECHNOLOGY | 1995年 / 10卷 / 06期
关键词：
D O I：
10.1088/0268-1242/10/6/010
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We study the contribution of confined phonons to the polaron energy in quantum-well wires. We use a dispersionless, macroscopic continuum model to describe the phonon confinement in quantum wires of square cross section. The polaron energy is calculated variationally incorporating the dynamic screening effects. We find that the confined phonon contribution to the polaron energy is comparable to that of bulk phonons in the density range N = 10(4)-10(7) Cm-1. Screening effects within the random-phase approximation significantly reduce the electron-confined phonon interaction, whereas the correlation effects tend to oppose this trend.
引用
收藏
页码：803 / 806
页数：4
相关论文
共 50 条
  • [21] POLARON EFFECTS IN ONE-DIMENSIONAL LATERAL QUANTUM WIRES AND PARABOLIC QUANTUM DOTS
    DEGANI, MH
    FARIAS, GA
    PHYSICAL REVIEW B, 1990, 42 (18): : 11950 - 11952
  • [22] Phonon spectra in quantum wires
    Ilic, Dusan
    Rakovic, Dejan
    Setrajcic, Jovan
    HEMIJSKA INDUSTRIJA, 2007, 61 (02) : 51 - 54
  • [23] The effect of acoustic phonon confinement on the momentum and energy relaxation of hot carriers in quantum wires (vol 10, pg 6091, 1998)
    Svizhenko, A
    Bandyopadhyay, S
    Stroscio, MA
    JOURNAL OF PHYSICS-CONDENSED MATTER, 1998, 10 (40) : 9189 - 9189
  • [24] The Polar Optical Phonon Confinement Effect on the Binding Energy of a Hydrogenic Impurity in Quantum Wires Under Applied Electric and Magnetic Fields
    Arshak L. Vartanian
    Abbas Shahbandari
    Mkrtich A. Yeranosyan
    Albert A. Kirakosyan
    Journal of Low Temperature Physics, 2011, 165
  • [25] The Polar Optical Phonon Confinement Effect on the Binding Energy of a Hydrogenic Impurity in Quantum Wires Under Applied Electric and Magnetic Fields
    Vartanian, Arshak L.
    Shahbandari, Abbas
    Yeranosyan, Mkrtich A.
    Kirakosyan, Albert A.
    JOURNAL OF LOW TEMPERATURE PHYSICS, 2011, 165 (3-4) : 101 - 113
  • [26] Phonon confinement effect on the polaron states in a double quantum ring structure in the presence of electric and magnetic fields
    Yeranosyan, Mkrtich A.
    Vartanian, Arshak L.
    Shahbandari, Abbas
    Kirakosyan, Albert A.
    PHYSICA B-CONDENSED MATTER, 2015, 456 : 365 - 370
  • [27] Polaron effects on the energy of a hydrogenic donor impurity in GaAs-(Ga,Al)As quantum-well wires
    Villamil, Pablo
    Cabra, Carlos
    Porras-Montenegro, N.
    MICROELECTRONICS JOURNAL, 2008, 39 (3-4) : 466 - 471
  • [28] Interface Phonons and Polaron Effect in Quantum Wires
    A. Yu Maslov
    O. V. Proshina
    Nanoscale Research Letters, 5
  • [29] Hot-phonon effects on electron transport in quantum wires
    Mickevicius, R
    Mitin, V
    Paulavicius, G
    Kochelap, V
    Stroscio, MA
    Iafrate, GJ
    JOURNAL OF APPLIED PHYSICS, 1996, 80 (09) : 5145 - 5149
  • [30] Minimizing the Quantum-confinement Effects on Nonlinear Optical Properties of Quantum Wires
    Shafei, Shoresh
    Kuzyk, Mark G.
    LINEAR AND NONLINEAR OPTICS OF ORGANIC MATERIALS XI, 2011, 8113
12345