之七 (第6/34页)

inuityofmetalnanoparticles.propertieshavebeenfurtheruood.

    ThedefinitionofthetermnanoteologyisproposedbyProfessorNorioTaniguchiofTokyoUyofS1974[1][2][3].

    Theiionofthesingtunnelingmicroscopein1981iswidelyregardedasthefirstyearofthenaer.

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