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???Quasicrystal

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Quasicrystal 03 1 134) 135 History) (definiens) ... – PowerPoint PPT presentation

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Title: ???Quasicrystal


1
???Quasicrystal
  • 03??1?
  • ???(134)
  • ???(135)

2
????
  • ?????? (History)
  • ?? (definiens)
  • ????????
  • (characteristic in structure)
  • ?????????
  • (differences and sameness)
  • ???????????
  • (complexion and expectation of the
    research)

3
??????
  • 1984?,???????Shechtman
  • ???????????????
  • Al-Mn?Ti-V-Ni??????????
  • ???????,??????????
  • ???.
  • ????????????.

4
??????Al-Mn????????????
(?????)
5
??????? ?
6
??????? ?
7
????? ?????,??????,?????????(???)???????.
8
  • ????????????,???
  • ?????????????????
  • ?????????????????
  • ????.
  • ???,????????????
  • ?????.
  • ????????????????
  • ??,??????????????.

9
??????????????????????????,????????????
?????????????
10
????????,????????????,?????????????,???????
???? ??????????????????????
11
?????????penrose??
12
??????36?72? ????????penrose??
13
??????? ????
14
???????
  • ???????????,??????
  • ?????????,??????????
  • ???????
  • ??????????????????
  • ?,???Seebeck???????????
  • ????????????????

15
????????????????????????????????????????,??????
??????????????????
16
(No Transcript)
17
????????
18
??????????,??????????????????????????
19
??,?????????????????????,????????(????????)?
????????? ?????,?????????,??????????????????
??????????
20
??????????,??????????????,???????????????
??????????????????????
??,??????????????????
21
?????????????????
Al-Cu-Co?????????
22
??,?????????????????????????????
23
?????? ?????????????????,??????????????????????
24
??,?????????????? ?????,???????????????
,???????Al??????????????Al????Ga?Ti??????
????????????????????
25
???????????????,????????????????
??,???Al-Li-Cu?Al-Cu-Fe?Al-Cu-Co??????????????????
?? ??,????????????????????,???????
26
???????????
  • ??????????????????
  • ??,??????????????????
  • ?????????,??????????
  • ????????(???1870774),???
  • ??????????????????? ?

27
  • The end!
  • Thank you!
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