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之七

inuityofmetalnanoparticles.propertieshavebeenfurtheruood.

    ThedefinitionofthetermnanoteologyisproposedbyProfessorNorioTaniguchiofTokyoUyofS1974[1][2][3].

    Theiionofthesingtunnelingmicroscopein1981iswidelyregardedasthefirstyearofthenaer.

    Inthe1980s,IBM''''sAnBexuandothersmadepolycrystallinegswithadiameteroflessthan400naersandalihofabouttensofnaers.Wheernalmagicfieldisapplied,thegproduosciltiance,whichiscalledthemagoresistanceeffedthiseffectisobviouslyretedtothesmallsizeofthering.sideshock.Generally,bulkgoldisagoodductorofelectricity,withasmallresistancevalueandisnotaffectedbymagicfields.Buttheresultsofthegoldnansdescribedaboveshowthatwhengoldparticlesareassmalsnan