Enhancement-mode GaAs n-channel MOSFET

被引:51
|
作者
Rajagopalan, Karthik [1 ]
Abrokwah, Jonathan [1 ]
Droopad, Ravi [1 ]
Passlack, Matthias [1 ]
机构
[1] Freescale Semicond Inc, Tempe, AZ 85284 USA
关键词
compound semiconductor; enhancement model; GaAs; high-mobility channel; MOSFETs;
D O I
10.1109/LED.2006.886319
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
This letter introduces the first enhancement-mode GaAs n-channel MOSFETs with a high channel mobility and an unpinned Fermi level at the oxide/GaAs interface. The NMOS-FETs feature an In0.3Ga0.7As channel layer, a channel mobility of up to 6207 cm(2)/V (.) s, and a dielectric stack thickness of 13.1-18.7 nm. Enhancement-mode NMOSFETs with a gate length of 1 mu m, a source/drain spacing of 3 mu m, and a threshold voltage of 0.05 V show a saturation current, transconductance, ON-resistance, and subthreshold swing of 243 mA/mm, 81 mS/mm, 8.0 Omega (.) mm, and 162 mV/dec, respectively.
引用
收藏
页码:959 / 962
页数:4
相关论文
共 50 条
  • [21] Interface-Trap Effects in Inversion-Type Enhancement-Mode InGaAs/ZrO2 N-Channel MOSFETs
    Morassi, Luca
    Padovani, Andrea
    Verzellesi, Giovanni
    Veksler, Dmitry
    Ok, Injo
    Bersuker, Gennadi
    IEEE TRANSACTIONS ON ELECTRON DEVICES, 2011, 58 (01) : 107 - 114
  • [22] Enhancement-mode n-channel GaN MOSFETs fabricated on p-GaN using HfO2 as gate oxide
    Sugiura, S.
    Kishimoto, S.
    Mizutani, T.
    Kuroda, M.
    Ueda, T.
    Tanaka, T.
    ELECTRONICS LETTERS, 2007, 43 (17) : 952 - 953
  • [23] Enhancement-mode p-channel GaAs MOSFETs on semi-insulating substrates
    Ren, F
    Hong, MW
    Hobson, WS
    Kuo, JM
    Lothian, JR
    Mannaerts, JP
    Kwo, J
    Chen, YK
    Cho, AY
    IEDM - INTERNATIONAL ELECTRON DEVICES MEETING, TECHNICAL DIGEST 1996, 1996, : 943 - 945
  • [24] Inversion-channel enhancement-mode GaAs MOSFETs with regrown source and drain contacts
    Liao, Chichih
    Cheng, Donald
    Cheng, Chienchia
    Cheng, K. Y.
    Feng, Milton
    Chiang, T. H.
    Kwo, J.
    Hong, M.
    JOURNAL OF CRYSTAL GROWTH, 2009, 311 (07) : 1958 - 1961
  • [25] AN N-CHANNEL MOSFET WITH SCHOTTKY SOURCE AND DRAIN
    MOCHIZUKI, T
    WISE, KD
    IEEE ELECTRON DEVICE LETTERS, 1984, 5 (04) : 108 - 111
  • [26] THERMAL EFFECTS IN n-CHANNEL ENHANCEMENT MOSFET'S OPERATED AT CRYOGENIC TEMPERATURES.
    Foty, Daniel P.
    Titcomb, Stephen L.
    1600, (ED-34):
  • [27] Detailed investigation of n-channel enhancement 6H-SiC MOSFET's
    Schörner, R
    Friedrichs, P
    Peters, D
    IEEE TRANSACTIONS ON ELECTRON DEVICES, 1999, 46 (03) : 533 - 541
  • [28] FAST ENHANCEMENT-MODE GAAS-MESFET LOGIC
    LUNDGREN, RE
    KRUMM, CF
    PIERSON, RL
    IEEE TRANSACTIONS ON ELECTRON DEVICES, 1979, 26 (11) : 1827 - 1827
  • [29] Demonstration of Ga2O3(Gd2O3)/InGaAs enhancement-mode n-channel MOSFETs
    Ren, F
    Hong, M
    Kuo, JM
    Hobson, WS
    Tsai, HS
    Lothian, JR
    Mannaerts, JP
    Kwo, J
    Chu, SNG
    Lin, J
    Chen, YK
    Cho, AY
    55TH ANNUAL DEVICE RESEARCH CONFERENCE, DIGEST - 1997, 1997, : 78 - 79
  • [30] Lateral N-channel inversion mode 4H-SiC MOSFET's
    Sridevan, S
    Baliga, BJ
    IEEE ELECTRON DEVICE LETTERS, 1998, 19 (07) : 228 - 230