Dynamics of photo-excited carriers on GaAs(100) surface studied by ultrafast time-resolved photoemission

被引：8
|
作者：
Azuma, Junpei [1 ]
Tokudomi, Shinji [1 ]
Takahashi, Kazutoshi [1 ]
Kamada, Masao [1 ]
机构：
[1] Saga Univ, Synchrotron Light Applicat Ctr, Saga 8408502, Japan
来源：
PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 6, NO 1 | 2009年 / 6卷 / 01期
关键词：
PHOTOVOLTAGE; SYNCHROTRON; COMBINATION;
D O I：
10.1002/pssc.200879809
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Dynamics of the photo-excited carriers on the GaAs(100) surface have been studied by measuring the surface photo-voltage effect (SPV) with the Ultrafast time-resolved photo-emission spectroscopy. The fast SPV decay with a few pico-second lifetime has been observed on the n-type GaAs(100) surface. The lifetime of the fast decay component was almost independent with dopant levels, pump powers, and sample temperatures which mainly change the surface potential barrier in the band bending region. This result supports the SPV relaxation model of the hot electron because the time scale of the electron thermalization is considered to be less affected by the change of the surface potential barrier. (C) 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
引用
收藏
页码：307 / 310
页数：4
相关论文
共 50 条
  • [1] Time-resolved reflection spectroscopy of the spatiotemporal dynamics of photo-excited carriers in Si and GaAs
    Nagai, M
    Kuwata-Gonokami, M
    [J]. JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 2002, 71 (09) : 2276 - 2279
  • [2] Electron propagation from a photo-excited surface: implications for time-resolved photoemission
    Yang, S. -L.
    Sobota, J. A.
    Kirchmann, P. S.
    Shen, Z. -X.
    [J]. APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING, 2014, 116 (01): : 85 - 90
  • [3] Electron propagation from a photo-excited surface: implications for time-resolved photoemission
    S.-L. Yang
    J. A. Sobota
    P. S. Kirchmann
    Z.-X. Shen
    [J]. Applied Physics A, 2014, 116 : 85 - 90
  • [4] Probing carrier dynamics in photo-excited graphene with time-resolved ARPES
    Gierz, I.
    [J]. JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, 2017, 219 : 53 - 56
  • [5] NON-LINEAR LUMINESCENCE AND TIME-RESOLVED DIFFUSION PROFILES OF PHOTO-EXCITED CARRIERS IN SEMICONDUCTORS
    OLSSON, A
    ERSKINE, DJ
    XU, ZY
    SCHREMER, A
    TANG, CL
    [J]. APPLIED PHYSICS LETTERS, 1982, 41 (07) : 659 - 661
  • [6] Structure dependent ultrafast relaxation time of photo-excited carriers in SiC
    Tomita, T
    Saito, S
    Suemoto, T
    Harima, H
    Nakashima, S
    [J]. JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 2004, 73 (09) : 2554 - 2561
  • [7] Ultrafast Electron Dynamics in Photo-excited Semiconductors Studied by Time and Angle-resolved Two-Photon Photoelectron Spectroscopy
    Kanasaki, Jun'ichi
    [J]. 2014 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO), 2014,
  • [8] Photo-excited state of N-benzyl MNA studied by femtosecond time-resolved absorption spectroscopy
    Sugita, A
    Yanagi, K
    Kuroyanagi, K
    Takahashi, H
    Aoshima, S
    Tsuchiya, Y
    Tasaka, S
    Hashimoto, H
    [J]. CHEMICAL PHYSICS LETTERS, 2003, 382 (5-6) : 693 - 698
  • [9] TIME-RESOLVED RAMAN-SPECTRA OF PHOTO-EXCITED SEMICONDUCTOR PLASMA
    LUZZI, R
    VASCONCELLOS, AR
    [J]. JOURNAL OF RAMAN SPECTROSCOPY, 1981, 10 (JAN) : 28 - 32
  • [10] Surface plasmon dynamics in silver nanoparticles studied by femtosecond time-resolved photoemission
    Lehmann, J
    Merschdorf, M
    Pfeiffer, W
    Thon, A
    Voll, S
    Gerber, G
    [J]. PHYSICAL REVIEW LETTERS, 2000, 85 (14) : 2921 - 2924
12345