1)X?????????????? - PowerPoint PPT Presentation

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1)X??????????????

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Title: X Author: xafs Last modified by: snowmount Created Date: 7/1/2005 7:50:36 AM Document presentation format: – PowerPoint PPT presentation

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Title: 1)X??????????????


1
???X??????????
2
1.??
  • 1)X??????????????
  • (?) ???????,????????,??
  • (??)?????,??????????
  • (???????),
  • ??????????? ??? ?? ????(????)
  • 2)???? X?????????????
  • 3)????????????,????

3
2.X???????
  • ???? (????????) ???? (??) Ryleigh??
  • ?????(???) ????? (??)
    Compton??, Raman??

4
  • 1)?????????
  • ?????X???????????????,???????????????????????????
    ??,????X?????????????????????????(?????),?????????
    ????,?????????????????,???X??(??)??,??????????????
    ?????????

5
  • ?????,??????????,?????
  • ?? ?????,R???????????
  • ?,

6
  • (1)??X???????
  • ???? ,? ,?a?
    ? ???,?

7
  • ???????????????,??????????,???????
  • ???????,

8
?6 ?????X??????
9
  • (2)?????????
  • ?????? ,P????,???? ?
  • ????????? ,???????????????
  • ????????? ????,??? ? , ,

10
  • ???????????? ? ,???????????????????????????
    ?????


  • (2.4)

11
  • ???X?????????(?X??????X??),?
    ????,?


  • (2.5)
  • ?? ??????,???????????
  • ?????????,???? ?????

12
  • 2)?????X??????
  • ???X?????,???????,?????????????????,?????????????
    ????????
  • ??????a,?????????,??X??????,???????? ?

13
  • ? ??
  • ?????????????????????P??????????

14
  • ? ?? ?
  • ????????X?????À,??????
  • ??????????????????????,???????????????,???????
  • ???????????????
  • ????????????(????)
  • ????????????(????)

15
  • ?????
  • ?? ??????????????, ???????
  • ,2??????
  • ???????????????
  • International Tables for X-ray crystallography

16
  • 3)??????????
  • ???????????????????? X??????????
    ????????????????

17
  • 4)???X??????
  • ????????????
  • ????????
  • ???????n?
  • ??N??????????,??X????,?X????????d????
    ?
  • ???????????????????,??????????,X?????????????,???
    ???,???????,???????????

18
  • ??X?????(??)??????????,??????????????????????,

19
i1
i1
?1
?1
?2
i2
?7 X?????????
20
  • ? ?,??????0?? ?,???????,??????????
    ??? ???????
  • ?X??, ????mRad??,??X????(??)???????????

21
  • X??????????
  • X?????(????X????????????X??)
  • X????(X??????)(????)

22
3.X????????
  • Compton??,1923
  • ?? ?(??????)
  • ?????? ,???
  • ???? ,?? ????(?????)

23
(No Transcript)
24
  • ???????????????,??????????,????,?????
  • Compton????X??????,??????????????????
  • Compton?????????????????????(Compton??)

25
  • 2)Raman??
  • ????????Raman????,
  • ?????????????????


26
  • 3) Plasmon??
  • X????????????????????????????????????

27
(b)
(a)
28
4.??????????
  • 1)?????????
  • X???????????Z,????,?? ?,???????

  • ??
  • ???
    ??
  • ????(???)???X????
  • ????? ?????,??,?????????? ???
  • P???????
  • ???????, ?????? ,
    ?????????X??????????

29
  • 2)????????????
  • ????????,????X????????
  • ??,X????????,???1S,2S,2P?,
  • ??,????????,
  • ????????????,
  • ???X???????? , ,?? ?K???,?? ????(
    ,?? ),

30
  • ?X???? ??,????????
  • ? ?,
  • ??????
  • ??????
  • ?? ,?? ?????????(?????????
    ?????????)
  • ??????????

31
  • 3)?????????????????
  • ?????????,???????(???,?K?,????)
  • ??????????????????

32
  • ? ?????????????????,?????????????
  • ??????????????,???(????????)??????????
  • ?????????????
  • ??????
  • ?????????,?????????
  • ??
  • ??X????, ???X???????, ?q??????
  • q?????X????????
  • ??q??????????

33
  • ?????????????????????Z????????,??????????????????
    ??,? K???, ?, , ,? (
    ?, ), ?Z?????,?Mg,Al??0.01?
  • X??????????????????????

34
  • (2) ??(Auger)??
  • X???????????????????,????????????????????????????
    ???????????????,???????????????????????????????,??
    ??????????????,?????(????)???????????

35
?10 ?????????
36
  • ?????????????????,????????,??????????????????????
    ????????X??????????????,?????????????,
  • ???????,?K???, ?,??????????

37
5. X????????,????
  • 1) X???????????
  • ??X?????????,?????????????
  • ?????????

38
(No Transcript)
39
  • X???????????,??????????????????,?????????,??????,
    ??? ???????
  • t?????,s???????s???t??,????,???????????
    ,??µ?t?????,??µ????????

40
  • 2)???????
  • ?????? ,??????
  • X???????????????
  • ??????(??)?????,???????????

41
  • ?????,??????????,
  • ????????,????(?????)???????????
  • , ,
  • ????????? ????(Z)??????
  • ,
    , ,
  • n????????????
  • ???????? ? ??,??Z,?????
  • , ???????International Tables for X-ray
    crystallogaphy???

42
  • 3)???? ?Z?????,???
  • ??????? ?Z????
  • ??????,?Pt(Z78), ?????????
  • , ? ??, ????????
  • , ? ??, ????????
  • ??????,?????LII,LIII??????

43
(No Transcript)
44
  • ?????????,????????????????(???)???,???????????,??
    ??????????,??????,??????,???????,?????K????LI???,
  • ??????? ,
  • ?????,????????Victoreen?????
  • ??C,D???Z,?????,???,? International Tables for
    X-ray crystallogaphy??, ???????,
  • ???????????
  • ??????,??????,????????,??????4. XAFS????

45
  • 4)?????????
  • ??????????
  • ?j?????????, ?j?????????????
  • ? ?j??????????????,?
  • ?????,???????,????????
  • ?j?????????, ?P?????j???????

46
6. X???????
  • ?????,???X????????????,??????????????,??????,????
    ???????
  • ,???????????,????

47
  • , ???,????????????????
  • Gwyndaf Evans and Robert F.Pettifer,J.Appl.Cryst.
    (2001)34,82-86
  • ????,????n?????

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