Labarai

Graphene ya ƙunshi Layer guda ɗaya na carbon atom wanda aka shirya a cikin lattice hexagonal.Wannan kayan yana da sauƙi sosai kuma yana da kyawawan kayan lantarki, yana sa ya zama mai ban sha'awa ga yawancin aikace-aikace-musamman kayan lantarki.
Masu bincike karkashin jagorancin Farfesa Christian Schönenberger daga Cibiyar Nazarin Nanoscience ta Switzerland da Sashen Kimiyyar Kimiyya na Jami'ar Basel sun yi nazarin yadda ake yin amfani da ilimin kimiyya.lantarki Properties na kayan ta hanyar inji mikewa.Don yin wannan, sun ƙirƙira wani tsari ta hanyar da za a iya shimfiɗa Layer na graphene mai siraɗi ta hanyar sarrafawa yayin auna kayan sa na lantarki.

Lokacin da aka matsa lamba daga ƙasa, ɓangaren zai lanƙwasa.Wannan yana sa Layer na graphene da aka haɗa don yin tsawo kuma ya canza kayan lantarki.

Sandwiches a kan shiryayye

Masana kimiyya sun fara samar da sandwich "sandwich" tare da Layer na graphene tsakanin nau'i biyu na boron nitride.Abubuwan da aka bayar tare da lambobi na lantarki ana amfani da su zuwa ga mai sassauƙa.

Daga nan ne masu binciken suka yi amfani da tsinke don shafa matsa lamba zuwa tsakiyar sanwicin daga ƙasa."Muna amfani da shi don lanƙwasa abubuwan da aka gyara a cikin tsari mai sarrafawa da kuma tsawaita dukkan layin graphene," in ji marubucin farko Dokta Lujun Wang.

"Miƙa graphene yana ba mu damar canza nisa tsakanin carbon atom, ta yadda za mu canza kuzarin su," in ji masanin gwaji Dr. Andreas Baumgartner.

Canjin yanayin lantarkiMasu binciken sun fara amfani da hanyoyin gani don daidaita shimfiɗar graphene.Sannan sun yi amfani da lantarki  ma'aunin sufuri don nazarin yadda nakasar graphene ke canza makamashin lantarki.Wadannan  ana buƙatar yin ma'auni a rage 269 ° C don ganin canje-canjen makamashi.

Zane-zane matakin makamashi na na'ura na graphene mara nauyi da b mai kauri (koren shaded) graphene a wurin cajin tsaka tsaki (CNP).  "Nisa tsakanin tsakiya kai tsaye yana rinjayar halaye na jihohin lantarki a cikin graphene," Baumgartnerya takaita sakamakon."Idan mikewa ya kasance iri ɗaya, saurin wutar lantarki da makamashi kawai za su iya canzawa. Canjin cikinmakamashi shine ainihin yuwuwar scalar da ka'idar ta annabta, kuma yanzu mun sami damar tabbatar da hakan ta hanyargwaje-gwaje."  Ana iya tunanin cewa waɗannan sakamakon zasu haifar da haɓaka na'urori masu auna firikwensin ko sabbin nau'ikan transistor.Bugu da kari,graphene, a matsayin tsarin samfuri don sauran kayan aiki masu girma biyu, ya zama muhimmin batun bincike a duk duniya a cikin'yan shekarun nan.

Lokacin aikawa: Jul-02-2021