内容发布更新时间 : 2024/11/15 18:36:13星期一 下面是文章的全部内容请认真阅读。
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Singh, J.Semiconductor Devices: An Introduction.New York: McGraw-Hill, 1994 Sze, S.M.High-Speed Semiconductor Devices.New York: Wiley, 1990.
Sze, S.M.Physics of Semiconductor Devices.2nd ed.New York: Wiley, 1981. Tiwari, S., S.L.Wright, and A.W.Kleinsasser.“Transport and Related Properties of (Ga, Al)As/GaAs Double Heterojunction Bipolar Junction Transistors.” IEEE Transactions on Electron Devices, ED-34(February 1987), pp.185-87. Taur, Y., and T.H.Ning.Fundamentals of Modern VLSI Devices.New York: Cambridge University Press, 1998. Wang, S.Fundamentals of Semiconductor Theory and Device Physics.Englewood Cliffs, NJ: Prentice Hall, 1989. Warner, R.M., Jr., and B.L.Grung.Transistors: Fundamentals for the Integrated-Circuit Engineer.New York: Wiley, 1983.
Yang, E.S.Microelectronic Devices.New York: McGraw-Hill, 1988.
第四章习题
4-1.一硅肖特基势垒二极管有0.01 cm的接触面积,半导体中施主浓度为10
162cm
?3设?0?0.7V,VR?10.3V。计算
(1)耗尽层厚度;
(2)势垒电容;
(3)在表面处的电场
4-2.(1)从示于图4-3的GaAs肖特基二极管电容-电压曲线求出它的施主浓度、自建电
势势垒高度。
(2) 从图4-7计算势垒高度并与(1)的结果作比较。 4-3.画出金属在P型半导体上的肖特基势垒的能带结构图,忽略表面态。指出(1)?m??s 和(2)?m??s两种情形是整流节还是非整流结,并确定自建电势和势垒高度。
12?2?14-4.自由硅表面的施主浓度为10cm,均匀分布的表面态密度为Dss?10cmeV,
15?3电中性级为EV?0.3eV,计算该表面的表面势(提示:首先求出费米能级与电中性能
级之间的能量差,存在于这些表面态中的电荷必定与表面势所承受的耗尽层电荷相等)。 4-5.已知肖特基二极管的下列参数:?m?5.0V,?s?4.05eV,Nc?1019cm?3,
Nd?1015cm?3,以及k=11.8。假设界面态密度是可以忽略的,在300K计算:
(1)零偏压时势垒高度,自建电势,以及耗尽层宽度;
(2)在0.3v的正偏压时的热离子发射电流密度。
4-6.在一金属-硅的接触中,势垒高度为q?b?0.8eV,有效理查逊常数为
R*?102A/cm2?K2,Eg?1.1eV,Nd?1016cm?3,以及
Nc?Nv?1019cm?3。
(1)计算在300K,零偏压时半导体的体电势Vn和自建电势;
(2)假设Dp?15cm/s和Lp?10um,计算多数载流子电流对少数载流子电流的注入比。
4-7. 计算室温时金N-GaAs肖特基势垒的多数载流子电流对少数载流子电流的比例。
已知施主浓度为10
152cm?3,Lp?1um,?p?10?6s,以及R*?0.068R。
44-8. 在一金属-半导体势垒中,外电场?=10V/cm,介电常数为(1)k?4,(2)k?12,计算??和xm。
4-9.(1)推导出在肖特基二极管中dV载流子可以忽略。
(2)倘若在300K时,一般地V=0.25V以及?b?0.7V,估计温度系数。 4-10.肖特基检波器具有10 pF的电容,10?的串联电阻以及100?的二极管电阻,计
算它的截止频率。 参考文献 1. A..G.Milnes and D.L.Feucht, “Heterojunction and Metal-Semiconductor Junctions,”
Academic, New York, 1972.
2. C.A.Mead, Metal-Semiconductor Surface Barriers, Solid-State Electron.,
9:1023(1996). 3. E.H.Rhoderick, Comments on the Conduction Mechanism Schottky Diodes, J.Phys.D:
Appl.Phys., 5:1920-1929(1972).
4. A.Y.C.Yu, The Metal-Semiconductor Contact: An Old Device with a New Future,
dT作为电流密度的函数表达式。假设少数
IEEE Spectrum, 7:83-90(March 1970). 5. Crowley, A.M., and S.M.Sze.“Surface States and Barrier Height of
Metal-Semiconductor Systms.” Journal of Applied Physics 36 (1965), P.3212.
6. Pierret,R.F.Semiconductor Device Fundamentals.Reading,MA: Addison-Wesley,
1996.
7. Rideout, V.L.“A Review of the Theory, Technology and Applications of
Metal-Semiconductor Rectifiers.” Thin Solid Films 48, no.3(February 1, 1978), pp.261-291.
8. Singh, J.Semiconductor Devices: Basic Principles.New York: John Wiley and Sons,
2001.
9. Streetman, B.G.,and S.Banerjee.Solid State Electronic Devices.5th ed.Upper Saddle
River, NJ: Prentice-Hall, 2000.
10. Sze, S.M.Physics of Semiconductor Devices.2nd ed.New York: Wiley, 1981. 11. Wang, S.Fundamentals of Semiconductor Theory and Device Physics.Englewood Cliffs,
NJ: Prentice Hall, 1989.
12. Wolfe, C.M., N.Holonyak, Jr., and G.E.Stillman.Physical Properties of
Semiconductors.Englewood Cliffs, NJ: Prentice Hall, 1989.
13. Yang, E.S.Microelectronic Devices.New York: McGraw-Hill, 1988. 14.王家华等,半导体器件物理
第五章习题
5-1 硅N沟道JFET具有图5-1a的结构以及以下参数:Na?1018cm?3,
Nd?1015cm
?3,a=2?m,L?20?m和Z?0.2cm.计算:
(1)自建电势?0; (2)夹断电压 Vp0和Vp; (3)电 导G0;
(4)在栅极和漏极为零偏压时实际的沟道电导。
5-2. 试推导N沟道JEFT的电流与电压关系。它的截止面为2a×2a,为P区所包围,器件长度为L。
5-3. 推导结型场效应四级管的电流-电压关系,在该四级管中,两个栅极是分开的。
两个栅上的外加电压为VG1和VG2。假设为单边突变结。
5-4. 计算并画出在25、150和-50℃时习题5-1中JFET的转移特性。采用第一章给出
?的电子迁移率数据。栅电压的增量采用0.5V (计算机计算题)。 5-5.(1)计算并绘出在25℃时习题5-1中JFET的小信号饱和跨导;
(2)若rs=50?时,重复(1)(计算机计算题)。
5.6下图为结型场效应晶体管的低频小信号等效电路图,其中RS为源极电阻。证明:由
于RS的存在,晶体管的跨导变成
g'm?
IDSgm ?vgs1?gmRs,式中gm?IDS为忽略RS时的跨导。 vgsIDS _ Rs D
pv'' IDS gmgs?_
gmvg'sS
5-7. (1) 估算习题5-1中JFET的截止频率。
(2) 若L?2?m,重复(1); (3) 若采用N型GaAs,重复(1)。
5-8. 计算在VD?VP?5V和VG??1V时,习题5-1中JFET的漏极电阻rds。 5-9 一个N沟增强型GaAs MESFET在T=300K时,假设?b?0.89V。N沟道掺杂浓度
vg's
LNd?2?1015cm?3, VTH?0.25V。计算沟道厚度a。
5-10. 一N沟GaAs MESFET,其?b?0.9V,Nd?10cm,a?0.2?m,L?1?m,
17?3Z?10?m,(1)这是增强型器件还是耗尽型器件?(2)计算阈值电压或夹断电
压。(3)求VG?0时的饱和电流。(4)计算截止频率。
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