Laser & Optoelectronics Progress, Volume. 56, Issue 6, 063201(2019)

Ultrafast Carrier Dynamics in n-Type and Semi-Insulating 6H-SiC Crystals

Yao Nie, Youyun Wang, Xueqin Wu, and Yu Fang*
Author Affiliations
  • School of Mathematics and Physics, Suzhou University of Science and Technology, Suzhou, Jiangsu 215009, China
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    References(31)

    [4] Zhu K. Do an S, Moon Y T, et al. Effect of n +-GaN subcontact layer on 4H-SiC high-power photoconductive switch [J]. Applied Physics Letters, 86, 261108(2005).

    [7] Gordon L. Janotti A,van de Walle C G. Defects as qubits in 3C- and 4H-SiC[J]. Physical Review B, 92, 045208(2015).

    [8] Saito E, Jun S D, Kimoto T. Control of carrier lifetime of thick n-type 4H-SiC epilayers by high-temperature Ar annealing[J]. Applied Physics Express, 9, 061303(2016).

    [13] Klein P B. Carrier lifetime measurement in n-4H-SiC epilayers[J]. Journal of Applied Physics, 103, 033702(2008).

    [14] Š ajev P, Gudelis V, Jarašiūnas K et al. . Fast and slow carrier recombination transients in highly excited 4H- and 3C-SiC crystals at room temperature[J]. Journal of Applied Physics, 108, 023705(2010).

    [15] Š ajev P, Jarašiūnas K. Temperature- and excitation-dependent carrier diffusivity and recombination rate in 4H-SiC[J]. Journal of Physics D: Applied Physics, 46, 265304(2013).

    [16] Fang Y, Yang J Y, Yang Y et al. Ultrafast carrier dynamics in a p-type GaN wafer under different carrier distributions[J]. Journal of Physics D: Applied Physics, 49, 045105(2016).

    [17] Š ajev P, Kato M, Jarašiūnas K. A diffraction-based technique for determination of interband absorption coefficients in bulk 3C-, 4H- and 6H-SiC crystals[J]. Journal of Physics D: Applied Physics, 44, 365402(2011).

    [18] Lebedev A A. Deep level centers in silicon carbide: A review[J]. Semiconductors, 33, 107-130(1999).

    [19] Persson C, Lindefelt U. Relativistic band structure calculation of cubic and hexagonal SiC polytypes[J]. Journal of Applied Physics, 82, 5496-5508(1997).

    [20] Limpijumnong S. Lambrecht W R L, Rashkeev S N, et al. Optical-absorption bands in the 1-3 eV range in n-type SiC polytypes[J]. Physical Review B, 59, 12890-12899(1999).

    [21] Shockley W, Read W T. Statistics of the recombinations of holes and electrons[J]. Physical Review, 87, 835-842(1952).

    [22] Tamulaitis G, Yilmaz I, Shur M S et al. Carrier lifetime in conductive and vanadium-doped 6H-SiC substrates[J]. Applied Physics Letters, 84, 335-337(2004).

    [23] Larsen D S, van Grondelle R. Global and target analysis of time-resolved spectra[J]. Biochimica et Biophysica Acta (BBA)-Bioenergetics, 1657, 82-104(2004).

    [24] Fang Y, Wu X Z, Ye F et al. Dynamics of optical nonlinearities in GaN[J]. Journal of Applied Physics, 114, 103507(2013).

    [25] Wagner M. McLeod A S, Maddox S J, et al. Ultrafast dynamics of surface plasmons in InAs by time-resolved infrared nanospectroscopy[J]. Nano Letters, 14, 4529-4534(2014).

    [26] Yang C Y, Chia C T, Chen H Y et al. Ultrafast carrier dynamics in GaN nanorods[J]. Applied Physics Letters, 105, 212105(2014).

    [27] Fang Y, Yang J Y, Xiao Z G et al. Ultrafast all-optical modulation in Fe-doped GaN at 1.31 and 1.55 μm with high contrast and ultralow power[J]. Applied Physics Letters, 110, 161902(2017).

    [28] Galeckas A, Linnros J, Frischholz M et al. Optical characterization of excess carrier lifetime and surface recombination in 4H/6H-SiC[J]. Applied Physics Letters, 79, 365-367(2001).

    [29] Mitchel W C, Mitchell W D, Fang Z Q et al. Electrical properties of unintentionally doped semi-insulating and conducting 6H-SiC[J]. Journal of Applied Physics, 100, 043706(2006).

    [30] Mitchel W C, Mitchell W D, Landis G et al. Vanadium donor and acceptor levels in semi-insulating 4H- and 6H-SiC[J]. Journal of Applied Physics, 101, 013707(2007).

    [31] Schneider J, Müller H D, Maier K et al. Infrared spectra and electron spin resonance of vanadium deep level impurities in silicon carbide[J]. Applied Physics Letters, 56, 1184-1186(1990).

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    Yao Nie, Youyun Wang, Xueqin Wu, Yu Fang. Ultrafast Carrier Dynamics in n-Type and Semi-Insulating 6H-SiC Crystals[J]. Laser & Optoelectronics Progress, 2019, 56(6): 063201

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    Paper Information

    Category: Ultrafast Optics

    Received: Sep. 25, 2018

    Accepted: Oct. 10, 2018

    Published Online: Jul. 30, 2019

    The Author Email: Fang Yu (yufang@usts.edu.cn)

    DOI:10.3788/LOP56.063201

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