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扫描隧道显微镜 PowerPoint PPT Presentation


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扫描隧道显微镜. ----- 石墨和光栅的表面结构分析. 一 引言 二  STM 独特的优点 三 STM 基本原理 四  STM 的结构 五 STM的工作原理 六 实验材料与方法  七 实验结果分析 八 结果与讨论 九 参考文献. 一 引言 :.

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扫描隧道显微镜

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6164939

  • -----


6164939

  • STM

  • STM

  • STM


6164939

:

  • 1982IBMGBinningHRohrerScanning Tunneling MicroscopeSTMSTM2080STM1986


6164939

STM

  • 1. STM 0.1 nm 0.01 nm

  • 2

  • 3,

  • 4(273.15)

  • 5STS

    6STM


6164939

STM

  • MIM,Bardeen1960

  • Bardeen

  • VU

  • 1

  • 2


6164939

  • BardeenBardeen

  • Bardeen

  • f(E)

  • VEEM

15

16


6164939

  • 1

1


6164939

  • wPtIrxyzxy,xyz

  • zzzxyz

  • zz

  • STMSTM


6164939

  • 1 STM

  • 2 IxyISTM

  • 3 s ISTM() STMSTM


6164939

  • 1HOPG()

  • (1) HOPG;

  • (2) 3cm;

  • (3) ,,;

  • (4) HOPG,,,

  • (5) ,,35,

  • 2


6164939

  • 3 STM

  • 13ml,;

  • 22cmPt-Ar;

  • 3();

  • 4 ,,;

  • 5 2mm,3040,,,;

  • 6 ,,,(2)(5);

  • 7 5mm45;

  • 8 STM,46mm,


6164939

  • 4 AJ-ISTM

  • STMx,y,zx-y0.1nmz0.001nm

  • 2.0 nm 2.0nm

  • 16.0623

  • 0.12nm,

  • 50mV

  • 0 .5nA

  • STM

  • 1.9 1.9

  • 0.50190

  • 60nm,

  • 50mV

  • 0 .5nA


6164939

  • 1 STM

  • 1.1

3.3538

2


6164939

  • 0.335 nmAB,,AB,ABC0.142 nm0.246 nmC2S2PSP2

    120oC-C

  • 1.2 C

    STM:


6164939

  • STM

C-C

2P

STM


6164939

  • H0EfEfSTMEfSTMSTM

  • CSTMC-CSTMSTMSTM


6164939

  • RichardsonLucy

  • fi bi fi bi

  • 50

  • STM

5


6164939

  • ABCAC0.1 nmBA0.01 nm3ACAB

    1.3 N=. D

D0.142 nm

0.246 nm

0.142 nm


6164939

  • 2STM

    .

    6

    7AJ-ISTM

6

7STM


6164939

  • 2.2

    7d,

    671.8 nm0.672

.


6164939

  • AJ-ISTM0.246 nm0.142nm0.672

  • STM1nm15


6164939

  • .

  • 1 19881038

  • 2 1992910

  • 3 19931215

  • 4 1992.10 ,7677

  • 5


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