??? 20? PB05206248 - PowerPoint PPT Presentation

Title: ??? 20? PB05206248


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Research and Application of Novel Magnetic
Properties of Nanostructured Materials

• ??? 20? PB05206248
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(1)?????

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(a)??? (b)??
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???,Md1.71106Am-1,??
1.810 6Jm-3
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(L1)1.810 4 6Jm-2
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20.852110-7
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1.710-7
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1.71106Am-1
1.5910-3Jm-2
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k???????
V??????? ??9?????T631K?,??????K?5.810-2J? ????
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10-11s
4.1810-17s
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n??????
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10-17s
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????D nm 10 18 38 58 80
???HC 103/4pAm-1 0 78 195 240 200
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?-A 0 ???????
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• ??,????,??????????,???????????????,???????QVB,
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• ???? (bottom-up)
• ???? (mesocrystal)
• ??? (self-assemble)

(A)?? (B)????
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• 1H.Zeng, J.Li, J.P.Liu. Exchange-coupled
  nanocomposite magnets by nanoparticle
  self-assembly J
• Nature,2002.420395-398.
• 2H.L.Sun, H.T.Shi, F.Zhao, L.M.Qi.Shape-depende
  nt magnetic properties of low-dimensional
  nanoscale Prussian blue agalogue SmFe(CN)64H2O
  J
• Chem.Commun.,2005.(DOI10.1039/b507240a)
• 3C.B.Rong, D.R.Li, V.Nandwana.Size-dependent
  Chemical and Magnetic Ordering in L10-FePt
  NanoparticlesJ
• Adv.Mater.,2006,182984-2988.(DOI10.1002/adma.200
  601904)
• 4D.B.Yu, X.Q.Sun, J.W.Zou. Oriented Assembly
  of Fe3O4 Nanoparticles into Monodisperse Hollow
  Single-Crystall MicrospheresJ
• J.Phys.Chem.B.,2006,110(43)21667-21671.(DOI10.10
  21/jp0646933)

Nature
Science
Adv.Mater.
J.Am.Chem.Soc.
Cryst.Growth
22

• Thanks for your attention!