2022年2021半导体物理期末考试试卷A-参考答案与评分标准 .pdf

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1、marketing strict internal cost control, business and i nnovation performance. -Increasing electricity acce ss, price i ncrease, electricity supply is guaranteed. In 2012, the company with coal inventory, get rewards of Jiangsu pr ovincial government power to 266 million kWh. Through the small and bi

2、lateral trade, access to el ectricity 1.695 billion kWh, seeking removal compensation w hen t he power 50 million-kilowatt, 116% market share in Jiangsu Pr ovince ranked first in the same capacity, the same type units. Company cl osely tracked coal linkage policies on July 1 and August 20 respective

3、ly increase price s 2.08 minutes and 2.5 points, profitability increa sed significa ntly. 公. Job grading, remuneration of labour agreements into long-term contract workers compensation system, stimulating the enthusiasm of the staff. -Further strengt hening of human resources management. Full implem

4、entation of the performance appraisal regulations, incentive effect. Complete the reserve cadre evaluation and selection, produced 10 primary reserve cadres and 11 se condary reserve cadres. Implementation of operation staff induction ga ng system, 14 staff posts be pr omoted. Strengthening the cult

5、ivation of professional technical leaders, selected coverage 9 13 factory-level professional and technical leaders. To enhance staff skills training, 8 staff technicians. Labor contract law compliance, contracts of up to 100%. -Star team-building to advance further. Establish a holding system implem

6、entation, and promoting the whol e team-building goals, strengthen group management. Tam building i nto a performance review, promoting the construction of the star team depth. This year, respectively, 1 track, 4 team four star rated five-star by Datang and the team. Four, insists on six cultural co

7、nstruction of harmonious development, really good job of party construction and the independent Com missi on against corruption, strengthening the humanistic care a nd psychological counse ling, the enterprise culture construction to a new level. -Buildi ng of enterprise culture is fruitful. Compani

8、es adhere to the Shenhua lead of corporate culture, culture of responsibility at the core, to safety culture, a culture of learning, et hical cult ure, cost culture culture system-assisted, t hrough various cultural integration, has boosted business centre, this year has won the Chinese cultural man

9、agement advanced unit, National Advance d Unit in the building of enterprise cult ure of reform and ope ning up 30 and other honorary titles. The liability of the company culture: solving management problems of corporate culture proje ct was awarded the CEC national electric power enterprise culture

10、 achi evement award of excellence. The accident early warning and prevention system was rated as Chinas power of innovation management, innovation management of electric power enterprise in Jiangsu Province. -Party and the independent Commission against corruption continues to strengthen. Was carrie

11、d out to maintainecurity, profit, maintain stability and promote harmonious development as the main content of the three guarantees theme practice activities and stressing party spirit, to conduct, for example campaign, party and further improvement of the level of work. Staff participating in the h

12、onest and clean culture construction seminars, staffs sense of probity and enhanced. Founded by honest inspectors team composed of 12 employees to broaden t he channels of supervision. Adhere to establish four good leadershi p activities, staff satisfaction rate of 98% to the team. -Group work dynam

13、ic. Promoting the openness of factory Affairs, proposal for a love letter box, to the vital interests of the staff Trade Union delegation leader meeting of the 26 system to discuss and safeguard their democratic rights. Improve the organizational structure of the mission, the work of strengthening.

14、Organize maintenance labor emulation and health Cup competition, e nhance the skills of staff. Organized a variety of cultural activities, physical and mental health care staff, to create a harmoni ous atmosphere. During the Wenchuan earthquake, donated all the company employees, to lov e, to suppor

15、t the disaster areas. Thi s year, the company has won the Su . Cutting costs can be controlled, money should not be wasted management phi losophy, management analysis, to improve management quality, improve cost control capacity and market competitiveness. Innovation of science and technol ogy-scien

16、ce and technology innovation is to play the role of science and technology as the primary productive force, active use of new technologies, new materials, new pr oce sses, new equi pment, increase investment in sci ence and technology, strengthening scientific and technol ogical training, speeding u

17、p transforming scientific and technological achievements, forming a number of proprietary technology, enhancing core competitiveness. Resource-savi ng-the-resources saving enterprise was to reduce coal consumption, water consumption, electricity at the core, enhance the operation of lean management

18、to realize low consumption, high efficiency, reduce production costs. Second is to strengthen the business, financial, material, information and the optimization of organization and management, saving the internal transaction costs. Harmonious developme nt of harmonious development-is to construct a

19、 foreign environment for development. XING refers to the internal security firm and internal management of the internal management measures are effective, harmonious. Foreign currency means Enterprise coordi nating development of homeopathy, well, get along with the neighbors better. (B) XX 2013 fiv

20、e enterprises building intri nsic safety power com pany goals are: unplanned outage 0 times. Class of disorders 0, 0 is equivalent forced outage rate. No personal injury accident, material and equipment accidents do not occur, no fire, no environmental pollution acci dent. Enterprise integrated to a

21、chieve zero cases of violation, zero accidents, zer o. Quality goal is: when ge nerating capacity 7.5电子科技大学二零零七 至二零零八学年第 一学期期末考试一、选择填空（ 22 分）1、在硅和锗的能带结构中，在布里渊中心存在两个极大值重合的价带，外面的能带（B ） ，对应的有效质量（C ） ，称该能带中的空穴为( E )。A. 曲率大；B. 曲率小；（二阶导数小）C. 大； D. 小；E. 重空穴； F. 轻空穴2、如果杂质既有施主的作用又有受主的作用，则这种杂质称为（F ） 。A. 施主B.

22、受主C.复合中心D.陷阱F. 两性杂质3、在通常情况下，GaN 呈（A ）型结构，具有（C ） ，它是（F ）半导体材料。A. 纤锌矿型；B. 闪锌矿型；C. 六方对称性；D. 立方对称性；E.间接带隙；F. 直接带隙。4、同一种施主杂质掺入甲、乙两种半导体，如果甲的相对介电常数r是乙的3 /4， mn*/m0值是乙的2倍，那么用类氢模型计算结果是（D ） 。A.甲的施主杂质电离能是乙的8/3，弱束缚电子基态轨道半径为乙的3/4 B.甲的施主杂质电离能是乙的3/2，弱束缚电子基态轨道半径为乙的32/9 C.甲的施主杂质电离能是乙的16/3，弱束缚电子基态轨道半径为乙的8/3 D.甲的施主杂质电

23、离能是乙的32/9，的弱束缚电子基态轨道半径为乙的3/8 5、.一块半导体寿命 =15s，光照在材料中会产生非平衡载流子，光照突然停止30s 后，其中非平衡载流子将衰减到原来的（C ） 。A.1/4 ；B.1/e ；C.1 /e2；D.1/2 6、 对于同时存在一种施主杂质和一种受主杂质的均匀掺杂的非简并半导体，在温度足够高、 ni /ND-NA/ 时，半导体具有（B ） 半导体的导电特性。A. 非本征B.本征7、在室温下，非简并Si中电子扩散系数D与有如下图（C ） 所示的最恰当的依赖关系：8、在纯的半导体硅中掺入硼，在一定的温度下，当掺入的浓度增加时，费米能级向（A ）移动；当掺名师归纳总

24、结 精品学习资料 - - - - - - - - - - - - - - -精心整理归纳 精选学习资料 - - - - - - - - - - - - - - - 第 1 页，共 7 页 - - - - - - - - - marketing strict internal cost control, business and i nnovation performance. -Increasing electricity acce ss, price i ncrease, electricity supply is guaranteed. In 2012, the company with

25、coal inventory, get rewards of Jiangsu pr ovincial government power to 266 million kWh. Through the small and bilateral trade, access to el ectricity 1.695 billion kWh, seeking removal compensation w hen t he power 50 million -kil owatt, 116% market share in Jiangsu Pr ovince ranked first in the sam

26、e capacity, the same type units. Company cl osely tracked coal linkage policies on July 1 and August 20 respectively increase price s 2.08 minutes and 2.5 points, profitability increa sed significa ntly. 公. Job grading, remuneration of labour agreements into long-term contract workers compensation s

27、ystem, stimulating the enthusiasm of the staff. -Further strengt hening of human resources management. Full implementation of the performance appraisal regulations, incentive effect. Complete the reserve cadre evaluation and selection, produced 10 primary reserve cadres and 11 se condary reserve cad

28、res. Implementation of operation staff induction ga ng system, 14 staff posts be pr omoted. Strengthening the cultivation of professional technical leaders, selected coverage 9 13 factory-level professional and technical leaders. To enhance staff skills training, 8 staff technicians. Labor contract

29、law compliance, contracts of up to 100%. -Star team-building to advance further. Establish a holding system implementation, and promoting the whol e team-building goals, strengthen group management. Team building i nto a performance review, promoting the construction of the star team depth. This yea

30、r, respectively, 1 track, 4 team four star rated five-star by Datang and the team. Four, insists on six cultural construction of harmonious development, really good job of party construction and the independent Commission against corruption, strengthening the humanistic care a nd psychological couns

31、e ling, the enterprise culture construction to a new level. -Buildi ng of enterprise culture is fruitful. Companie s adhere to the Shenhua lead of corporate culture, culture of responsibility at the core, to safety culture, a culture of learning, et hical cult ure, cost culture culture system-assist

32、ed, through various cultural integration, has boosted business centre, this year has won the Chinese cultural management advanced unit, National Advance d Unit in the building of enterprise cult ure of reform and ope ning up 30 and other honorary titles. The liability of the company culture: solving

33、 management problems of corporate culture proje ct was awarded the CEC national electric power enterprise culture achi evement award of excellence. The accident early warning and prevention system was rated as Chinas power of innovation management, innovation management of electric power enterprise

34、in Jiangsu Province. -Party and the independent Commission against corruption continues to strengthen. Was carried out to maintainecurity, profit, maintain stability and promote harmonious development as the main content of the three guarantees theme practice activities and stressing party spirit, t

35、o conduct, for example campaign, party and further improvement of the level of work. Staff participating in the honest and clean culture construction seminars, staffs sense of probity and enhanced. Founded by honest inspectors team composed of 12 employees to broaden t he channels of supervision. Ad

36、here to establish four good leadershi p activities, staff satisfaction rate of 98% to the team. -Group work dynamic. Promoting the openness of factory Affairs, proposal for a love letter box, to the vital interests of the staff Trade Union delegation leader meeting of the 26 system to discuss and sa

37、feguard their democratic rights. Improve the organizational structure of the mission, the work of strengthening. Organize maintenance labor emulat ion and health Cup competition, e nhance the skills of staff. Organized a variety of cultural activities, physical and mental health care staff, to creat

38、e a harmoni ous atmosphere. During the Wenchuan earthquake, donated all the company employees, to lov e, to support the disaster areas. Thi s year, the company has won the Su . Cutting costs can be controlled, money should not be wasted management phi losophy, management analysis, to improve managem

39、ent quality, improve cost control capacity and market competitiveness. Innovation of science and technol ogy-science and technology innovation is to play the role of science and technology as the primary productive force, active use of new technologies, new materials, new pr oce sses, new equi pment

40、, increase investment in sci ence and technology, strengthening scientific and technol ogical training, speeding up transforming scientific and technological achievements, forming a number of proprietary technology, enhancing core competitiveness. Resource-savi ng-the-resources saving enterprise was

41、 to reduce coal consumption, water consumption, electricity at the core, enhance the operation of lean m anagement to realize low consumption, high efficiency, reduce production costs. Second is to strengthen the business, financial, material, information and the optimization of organization and man

42、agement, saving the internal transaction costs. Harmonious developme nt of harmonious development-is to construct a foreign environment for development. XING refers to the internal security firm and internal management of the internal management measures are effective, harmonious. Foreign currency m

43、eans Enterprise coordi nating development of homeopathy, well, get along with the neighbors better. (B) XX 2013 five enterprises building intri nsic safety power com pany goals are: unplanned outage 0 times. Class of disorders 0, 0 is equivalent forced outage rate. No personal injury accident, mater

44、ial and equipment accidents do not occur, no fire, no environmental pollution acci dent. Enterprise integrated to achieve zero cases of violation, zero accidents, zer o. Quality goal is: when ge nerating capacity 7.5 杂浓度一定时，温度从室温逐步增加，费米能级向( C ) 移动。 A.Ev ；B.Ec ；C.Ei；D. EF9、把磷化镓在氮气氛中退火，会有氮取代部分的磷，这会在磷化

45、镓中出现（D ） 。A.改变禁带宽度；B.产生复合中心；C.产生空穴陷阱；D.产生等电子陷阱。10、对于大注入下的直接复合，非平衡载流子的寿命不再是个常数，它与（C ） 。A.非平衡载流子浓度成正比；B.平衡载流子浓度成正比；C.非平衡载流子浓度成反比；D.平衡载流子浓度成反比。11、杂质半导体中的载流子输运过程的散射机构中，当温度升高时，电离杂质散射的概率和晶格振动声子的散射概率的变化分别是（B ） 。A.变大，变小；B.变小，变大；C.变小，变小；D.变大，变大。12、如在半导体的禁带中有一个深杂质能级位于禁带中央，则它对电子的俘获率（B ）空穴的俘获率，它是（D ） 。A.大于；B.等于

46、；C.小于；D.有效的复合中心；E. 有效陷阱。13、在磷掺杂浓度为21016cm-3的硅衬底（功函数约为4.25eV ）上要做出欧姆接触，下面四种金属最适合的是（ A ） 。A. In (Wm=3.8eV) ； B. Cr (Wm=4.6eV)； C. Au (Wm=4.8eV)； D. Al (Wm=4.2eV)。14、在硅基MOS 器件中，硅衬底和SiO2界面处的固定电荷是（B ） ，它的存在使得半导体表面的能带（ C ）弯曲，在C-V 曲线上造成平带电压（F ）偏移。A.钠离子； B.过剩的硅离子；C. 向下；D.向上；E. 向正向电压方向；F. 向负向电压方向。二、简答题：（5+4+

47、6=15分）1、用能带图分别描述直接复合、间接复合过程。（4 分）2、对于掺杂的元素半导体Si、Ge 中，一般情形下对载流子的主要散射机构是什么？写出其主要散射机构所决定的散射几率和温度的关系。（4 分）Ec (0.5分) Ec (0.5分) 跃迁过程Ec (0.5分) Ec (0.5分 ) Et（或：杂质或缺陷能级）(0.5 分) Ec (0.5分 ) 跃迁过程1 (0.5 分) 跃迁过程 2 (0.5 分) 名师归纳总结 精品学习资料 - - - - - - - - - - - - - - -精心整理归纳 精选学习资料 - - - - - - - - - - - - - - - 第 2 页

48、，共 7 页 - - - - - - - - - marketing strict internal cost control, business and innovation performance. -Increasing ele ctricity access, price increase, ele ctricity supply is guaranteed. In 2012, the compa ny with coal inventory, get rewards of Jiangsu provincial government power to 266 million kWh.

49、Throug h the small and bilateral trade, acce ss to elect ricity 1.695 billion kWh, seeking removal compensation when the power 50 million-kilowatt, 116% market share in Jiangsu Province ranked first in the same capacity, the same type units. Com pany osely tracked coal linkage policieon July 1 and A

50、ugust 20 respectively increase pri ces 2.08 minutes and 2.5 poi nts, profitabil ity increased significantly. 公. Job grading, remuneration of labour agreements into long-term contract workers compensation system, stimulating the enthusiasm of the staff.-Further strengthening of human resourcemanageme