Collacond pulsessenola liphiri tsa nako ea nako
Bo-rasaense ba United States, ka thuso ea phoka ea settosecond, e senotse tlhahisoleseling e ncha kaphello ea bafortictric: thePhotoelectric EmsusionHo lieha ho fihla ho 700 li-attoseconds, nako e telele ho feta pele e lebelletsoe pele. Liphephetso tsena tsa morao-rao tsa ho etsa lipatlisiso 'me tsa etsa hore ho be le kutloisiso e tebileng ea litšebelisano lipakeng tsa lielektrone, e lebisang ntlafatsong e kang ea semiconductors.
Kameho ea lifofollo e bua ka ketsahalo ea hau ha leseli le khanya ka molek'hule kapa athomo ka har'a molek'hule kapa atom le ho fetisetsa lielektrone. Tšusumetso ena ha se e 'ngoe ea metheo ea bohlokoa ea mechini e bohlokoa, empa e boetse e na le tšusumetso e matla ho fisise ea sejoale-joale, k'hemistri le lisebelisoa tsa tlhaho. Leha ho le joalo, lefapheng lena, seo ho thoeng ke ho lieha ho lieha ho se ho buile ka taba e fapaneng, 'me ho thehiloe tumellano e fapaneng.
Ha tšimo ea se saense e ntlafalitsoe haholo nakong ea morao tjena, sesebelisoa sena se hlahang se fana ka mokhoa o sa tloaelehang oa ho bona lefatše le microscopic. Ka liketsahalo tse lekanyang tse lekanyang ka sekala se seng se le seng ka nako e telele haholo, bafuputsi ba khona ho fumana leseli le eketsehileng ka boitšoaro bo matla ba dikaronase. Thutong ea morao-rao, ba ne ba sebelisa letoto la li-X-ray tse ngata tse hlahisitsoeng ke Mohloli oa leseli oa Stanford Sekhon (Slac), ho tiisa li-elektrone tsa bobeli le "Ho raha" ho tsoa molek'hule e thathamisitsoeng.
Ho hlakisa ho ts'oaroa ha li-li-elektrone tse lokollotsoeng, li ne li etsa thabo ka bomongLaser LaserHo lekanya linako tsa encision tsa li-elektrone ka litsela tse fapaneng. Mokhoa ona o ba lumella ho bala liphapang tsa bohlokoa lipakeng tsa linako tse fapaneng tse bakoang ke tšebelisano lipakeng tsa lielektrone, netefatsa hore ho lieha ho ka fihla ho 700. Ho bohlokoa ho hlokomela hore sistimi ena e se ke ea netefatsa liqhompotheo ena e fetileng, empa hape e hlahisa lipotso tse ncha, ho etsa likhopolo tse loketseng ho hlahlojoa hape ebile ho ntlafatsoa.
Ntle le moo, thuto e totobatsa bohlokoa ba ho lekanya le ho toloka liemahale tsena, tse bohlokoa ho utloisisa liphetho tsa tlhahlobo. Lenaneong la liprotheine tsa protheine, mohopolo oa bongaka, le lits'ebetso tse ling tsa bohlokoa tse kenyelletsang tšebelisano ea X-ray e tla ba motheo oa bohlokoa bakeng sa mekhoa ea tekheniki ea ho nahana. Ka hona, sehlopha se rera ho tsoela pele ho hlahloba mekhoa e fapaneng ea limolek'hule ts'ebetsong ea elektroniki ka sebopeho sa data ka mokhoa o rarahaneng bakeng sa nts'etsopele ea theknoloji e amanang nakong e tlang.
Nako ea poso: Sep-24-2024