
shatkona boran nitride samslaeshanha

dvi-miteeya shatkona boran nitride (2d h-bn) anedi graphento polchadagina nirmaanam kaligina padaartham, idhi e loe sambhaavya anuvartanaalato untundi.zii. photonics.indhana kanaalu mariyu dvi-miteeya binna nirmaanaalaku uparitalamgaa. 2dii hetch-bn anedi graphenku isostructural, conny graphane conductivega unna chota, 2dii hetch-bn anedi wide-gyap insulator.
2dii hetch-bn chitraala lakshanaalu chaalaa varaku chitraala naanhyatapai aadharapadi untaayi. pedda praantaalalo adhika-naanhyata gala 2dii hetch-bn samslaeshanha cheyadam savaluga undhi.
mukhyamgaa, polychrystalline hetch-bn yokka chinna dhanyam parimaanam aneka dhanyam sarihaddulaku daariteestundi, ivi chaarj ucchulanu mariyu adhika uparitala kathinatvaanni srushtistaayi.
2dii hetch-bn utpattini top-down mariyu bottom-up vidhanaluga vibhajinchavachhu. bottom-up paddhatulalo, oka poranu uparitalampai penchutaaru ledhaa jama chestaaru; paie nundi krindiki chese paddhatulalo, kaavalasina sthithi ledhaa nirmaanam saadhinche varaku pedda nirmaanam tagginchabadutundi.
paie nundi krindiki vellae paddhatulu.
pedda mottamlo hetch-bn teesukoni, shatkona porala madhya vaan derr walls saktulanu vichchinnam chesi, phalitamgaa vachhe hetch-bn yokka dvi-miteeya sheetlanu vaeru cheyadam anedi paie-krindiki vellae vidhaanaala venuka unna saadhaarana aalochana. eee paddhatulu pradhanamgaa yaantrika mariyu rasayana exfoliation paddhatulanu kaligi untaayi.
yaantrika exfoliationlo hetch-bn yokka anhu palakalu bhouthikamgaa laagabadataayi ledhaa okadaanikokati vaeru cheyabadataayi. udaaharanaku graphane sheetlanu tokkadaaniki saadhaarana antukune tapenu upayoginchadam atyanta prasiddha yaantrika exfoliation paddhatulalo okati mariyu hetch-bn sheetlanu roopondinchadaaniki kooda ilanti paddhatulanu upayoginchavacchu. saadhaaranamgaa cheppalante yaantrika exfoliation paddhatulanu hetch-bn naanosheetlanu roopondinchadaaniki saralamaina margaluga pariganinchavacchu, conny vaati digubadi takkuvagaa undavacchu mariyu kalpita nirmaanaala parimaanam saadhaaranamgaa parimitam avutundi. marovaipu, utpatti cheyabadina naanosheetlalo lopaala sankhya rasayana paddhathulatho poliste takkuvagaa unnatlu kanugonabadindi.
dichloroethane mariyu dimethylformamide vanti drava dravakalalo rasayana exfoliation nirvahinchabadutundi. draavakam anuvulu anhu poralanu vistarinchadaaniki veelu kalpinche hetch-bn sphatikaalalo vaan derr walls saktulanu vichchinnam cheyadaaniki sonication upayoginchabadutundi. eee paddhatulu chaalaa saralamainavi mariyu namuunaalu sulabhamgaa kalushitamainappatiki, yaantrika exfoliationtho poliste adhika digubadini kooda andinchagalavu.
bottom-up paddhatulu.
rasayana aaviri nikshepana.
rasayana aaviri nikshepana (sii. vii. dii) anedi adhika-naanhyata nanoscale filmlanu nirminchadaaniki upayoginche bottom-up rasayana nikshepana paddhati. cvdlo, oka uparitalam puurvagaamulaku guravutundi, ivi kaavalasina poranu utpatti cheyadaaniki pora uparitalampai pratispandistaayi. eee praticharya tarachugaa vishapuurita upa utpattulaku kooda daariteestundi. chaaritraatmakamgaa, parivartana lohalapai sannani hetch-bn nikshepana kosam ultra-hye vacuum sividi (yuechvisividi) upayoginchabadindi. iteevala, adhika peedanaala vadda loha uparitalaalapai hetch-bn yokka sividi kooda vijayavantamaindi.
sii. vii. dii. reactive puurvagaamula vaadakampai aadharapadi untundi. hetch-bn kosam, enchukoovadaaniki vaayu, drava mariyu ghana empikalu unnaayi, prati okkati vaati swantha prayojanaalu mariyu lopalatho untaayi. bf3/nh3, bcl3/nh3, mariyu b2h6/nh3 vanti vaayu puurvagaamulu vishapuuritamainavi mariyu 1:1 b/n stoikiometrini samrakshinchadaaniki vaayuvula jagrattagaa nishpattulu avasaram. borajin vanti drava puurvagaamulu samaana mottamlo boran mariyu natrajanini kaligi untaayi mariyu atyanta vishapuurita dushprabhava utpattulanu utpatti cheyavu. ayithe, avi temaku sunnitamgaa untaayi mariyu takshaname jalavisleshanam chendutaayi. ushnogratanu penchadam dwara eee lopaanni edurkovachhu, conny adhika ushnogratalu kooda praticharya retlanu penchutaayi. chivaraga, ghana puurvagaamula kosam, borazen sthiramgaa untundi mariyu 1:1 b/n stoikiometrini kaligi untundi. dheeni lopam emitante, idhi atyanta churukaina bihech2enhetch2gaa kullipovadam, idhi gadhi ushnograta vadda polymerise avutundi. swachchamaina borazen paryavasanamga puurvagaamulugaa panicheyadu, mariyu dheenini bihech2enhetch2 mariyu borajinto kalapali.
vaataavarana peedanam sividi (episivdi), takkuva peedanam sividi (elpisivdi) mariyu ultra-hye vacuum sividi gaa sividi daani operation paristhitula dwara vargeekarinchabadindi. adhika vaakyuumlaku marinta adhunaatana parikaraalu mariyu adhika operation kharchulu avasaram, ayithe adhika ottillu vaegamgaa perugudalanu istayi. hetch-bn kosam, episivdi porala sankhyanu khachitamgaa niyantrinchalekapoyindi. pedda vistiirnamloo monolayer hetch-bn utpatti cheyadaaniki kaneesam elpisividi prastutam avasaram.
cvdlo uparitala empika mukhyam, endukante utpatti cheyabadutunna pora uparitalaaniki kattubadi undaali. hetch-bn loe, graphane loe vale, kyuu ledhaa nii vanti parivartana lohaalu sividi uparitala padaarthaalaku prajaadarana pondina empikalu. inupa reku mariyu cobalt vanti vaatitho paatu platinum kooda poragaa upayoginchabadindi. utpreraka parivartana loha pora padaarthaalatho unna lopam emitante tudi phalitaanni silicon vanti lakshya uparitalaaniki badilee cheyalsina avasaram undhi. eee prakriya tarachugaa chitraanni debbateestundi ledhaa kalushitam chestundi. konni hetch-bn sinimaalu sii, sioo2/sii, neelamanipai abhivruddhi cheyabaddaayi. 
H-bn porapai domainla dhorani uparitala padaartham yokka empika mariyu daani dhorani dwara prabhaavitamavutundi. saadhaaranamgaa, domainlu elpisividilo tribhujakaramga untaayi mariyu tribhujaakaara, kattirinchina tribhujaakaara ledhaa episividilo shatkonamgaa untaayi. tarachugaa, eee domainlu yaadrucchikamgaa untaayi, conny hetch-bn domainlu raagi (100) ledhaa (111) uparitala jaalakaalato khachitamgaa samalekhanam avtayi. kyuu (110) thoo, amarika takkuva kathinamainadi, conny ippatikee millimeter dooraalapai balamgaa untundi.
bhouthika aaviri nikshepana.
chitlinchadam.
spattarlo, kaavalasina film material yokka ghana lakshyanni saktivantamaina kanaalatoe pelchiveyabadutundi, tadwara lakshyanni edurkontunna porapai oka sannani poranu utpatti cheyavachu. kyuu rekulapai hetch-bn sputter cheyadaaniki aarr ayan kiranaalu upayoginchabaddaayi, phalitamgaa adhika-naanhyata, konni-pora poralu untaayi, mariyu enn2/aarr loe bii yokka magnetron sputter cheyadam anedi adhika-naanhyata gala hetch-bn nuu penchadaaniki upayoginchabadindi. eee prakriya phalitamgaa rendu anhu poralu mandamgaa untaayi; gadhi ushnograta nikshepana mariyu annealing chakralanu pratyamnaayamgaa penchadam dwara mandapati poralu penchavacchu.
saha vibhajana.
boran mariyu natrajani yokka muulam, anamaka bn vanti vaatini oka koo ledhaa nii film mariyu sio2 madhya sandwitch chesinappudu, shoonyathaloni binna nirmaanaanni eniil cheyadam dwara loha uparitalampai anuvu sannani h-bn filmnu penchadam saadhyamavutundi. bii mariyu enn anuvulu lohamlo karigi, pora dwara vyaapinchi, uparitalampai avakshaepistaayi. eee vidhamgaa, asaadhaaranamaina ledhaa vishapuurita puurvagaamula vadakanni nivaaristaaru.
itara paddhatulu.
molecular beam epitoxy (mbe) loe vedichesina vaayu muulakaalu porapai ghaneebhavinchadaaniki anumatinchabadataayi. nii rekulapai elemental bii mariyu enn nundi hetch-bn filmlanu penchadaaniki mbe upayoginchabadindi.
karigina boran oxide vaayu ammoniatho pratispandinchi praticharya antarmukhamlo ultrathin hetch-bn poranu yerparustundi. pora mandam 20-30 nm varaku perugutundi, aaa taruvaata prakriya sweeya-mugimpu avutundi, setup challabadutundi mariyu boran oxide neetilo karigipotundi.