{"id":38607,"date":"2019-10-31T22:24:51","date_gmt":"2019-10-31T19:24:51","guid":{"rendered":"https:\/\/prohoster.info\/blog\/budushhee-li-fi-polyaritony-eksitony-fotony-i-nemnogo-disulfida-volframa\/"},"modified":"2019-10-31T22:24:51","modified_gmt":"2019-10-31T19:24:51","slug":"budushhee-li-fi-polyaritony-eksitony-fotony-i-nemnogo-disulfida-volframa","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/administrirovanie\/budushhee-li-fi-polyaritony-eksitony-fotony-i-nemnogo-disulfida-volframa","title":{"rendered":"E ardhmja e Li-Fi: polaritonet, excitonet, fotonet dhe pak disulfid wolframi","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\"E
\n
\nP\u00ebr shum\u00eb vite, shkenc\u00ebtar\u00ebt nga e gjith\u00eb bota kan\u00eb marr\u00eb pjes\u00eb n\u00eb dy gj\u00ebra \u2014 shpikjen dhe p\u00ebrmir\u00ebsimin. Dhe ndonj\u00ebher\u00eb nuk \u00ebsht\u00eb e qart\u00eb se cila prej tyre \u00ebsht\u00eb m\u00eb e v\u00ebshtir\u00eb. Merrni, p\u00ebr shembull, LED-t\u00eb e zakonsh\u00ebm, t\u00eb cil\u00ebt na duken kaq t\u00eb thjesht\u00eb dhe t\u00eb zakonsh\u00ebm, saq\u00eb nuk i kushtojm\u00eb shum\u00eb v\u00ebmendje. Por n\u00ebse i shtojm\u00eb pak eksitone, nj\u00eb marrje t\u00eb polariton\u00ebve dhe disa disulfide tungsten sipas shijes, LED-t\u00eb nuk do t\u00eb duken m\u00eb kaq prozaik\u00eb. T\u00eb gjitha k\u00ebto terma t\u00eb \u00e7uditsh\u00ebm jan\u00eb emra t\u00eb p\u00ebrb\u00ebr\u00ebsve shum\u00eb t\u00eb pazakont\u00eb, t\u00eb cil\u00ebt kan\u00eb lejuar shkenc\u00ebtar\u00ebt e Kolegji t\u00eb Chitit t\u00eb Nju Jorkut t\u00eb krijojn\u00eb nj\u00eb sistem t\u00eb ri, t\u00eb aft\u00eb t\u00eb transmetoj\u00eb informacionin shum\u00eb shpejt p\u00ebrmes drit\u00ebs. Ky zhvillim do t\u00eb ndihmoj\u00eb n\u00eb p\u00ebrmir\u00ebsimin e teknologjis\u00eb Li-Fi. Cilat p\u00ebrb\u00ebr\u00ebs t\u00eb rinj u p\u00ebrdor\u00ebn n\u00eb k\u00ebt\u00eb teknologji, cili \u00ebsht\u00eb receta e k\u00ebtij \"pjat\u00eb\" dhe cila \u00ebsht\u00eb efikasiteti i funksionit t\u00eb LED-it t\u00eb ri eksiton-polariton? K\u00ebt\u00eb do t\u00eb na tregoj\u00eb raporti i shkenc\u00ebtar\u00ebve. Le t\u00eb fillojm\u00eb.<\/a><\/noindex><\/p>\n

Baza e studimit<\/h3>\n

\nN\u00ebse i thjeshtojm\u00eb gj\u00ebrat n\u00eb nj\u00eb fjal\u00eb, kjo teknologji \u00ebsht\u00eb drita dhe gjith\u00e7ka q\u00eb lidhet me t\u00eb. S\u00eb pari, polaritonet, t\u00eb cilat lindin nga nd\u00ebrveprimi i fotoneve me eksitimet e mediumit (fononat, ekzitonat, plazmonat, magnonat, etj.). S\u00eb dyti, ekzitonat \u2014 nj\u00eb eksitim elektronik n\u00eb dielektrik, gjysm\u00ebp\u00ebr\u00e7ues ose metal, q\u00eb migron n\u00ebp\u00ebr kristal dhe nuk \u00ebsht\u00eb i lidhur me transportin e ngarkes\u00ebs elektrike dhe mas\u00ebs. <\/p>\n

\u00cbsht\u00eb e r\u00ebnd\u00ebsishme t\u00eb theksohet se k\u00ebto kuazi-partikula e duan shum\u00eb ftoht\u00ebsin\u00eb, dometh\u00ebn\u00eb, aktiviteten e tyre mund ta v\u00ebzhgojm\u00eb vet\u00ebm n\u00eb temperatura shum\u00eb t\u00eb ul\u00ebta, \u00e7ka e kufizon shum\u00eb p\u00ebrdorimin praktik. Por kjo ishte m\u00eb par\u00eb. N\u00eb k\u00ebt\u00eb punim, shkenc\u00ebtar\u00ebt arrit\u00ebn t\u00eb kalojn\u00eb k\u00ebt\u00eb kufizim temperaturor dhe t\u00eb p\u00ebrdorin ato n\u00eb temperatura ambienti. <\/p>\n

Karakteristika kryesore e polaritoneve \u00ebsht\u00eb mund\u00ebsia p\u00ebr t\u00eb lidhur fotonet me nj\u00ebra-tjetr\u00ebn. Fotone q\u00eb p\u00ebrplasen me atomet e rubidit fitojn\u00eb mas\u00eb. N\u00eb procesin e p\u00ebrplasjeve t\u00eb shum\u00ebfishta, fotonet refuzojn\u00eb nga nj\u00ebra-tjetra, por n\u00eb raste t\u00eb rralla formojn\u00eb \u00e7ifte dhe tripleta, duke humbur p\u00ebrb\u00ebr\u00ebsin atomik, i p\u00ebrfaq\u00ebsuar nga atomi i rubidit.<\/p>\n

Megjithat\u00eb, p\u00ebr t\u00eb b\u00ebr\u00eb di\u00e7ka me drit\u00ebn, duhet ta kapim at\u00eb. Kjo \u00ebsht\u00eb arsyeja pse na duhen rezonator\u00ebt optik\u00eb, t\u00eb cil\u00ebt p\u00ebrb\u00ebhen nga nj\u00eb grup elementesh reflektues, q\u00eb formojn\u00eb nj\u00eb val\u00eb dritore stacionare. <\/p>\n

N\u00eb k\u00ebt\u00eb studim, nj\u00eb rol t\u00eb r\u00ebnd\u00ebsish\u00ebm luajn\u00eb edhe m\u00eb shum\u00eb k\u00ebto quasi-partikula t\u00eb pazakonta \u2014 eksiton-polaritonet, t\u00eb cilat formohen nga lidhja e fort\u00eb midis eksitoneve dhe fotoneve, t\u00eb kapura n\u00eb rezonatorin optik. <\/p>\n

Megjith\u00ebse kjo \u00ebsht\u00eb e pamjaftueshme, sepse nevojitet nj\u00eb baz\u00eb materiale, p\u00ebr ta th\u00ebn\u00eb ndryshe. Dhe kush tjet\u00ebr p\u00ebrve\u00e7 disulfidit t\u00eb metalit kalimtar (DPM) do ta luaj\u00eb m\u00eb mir\u00eb k\u00ebt\u00eb rol. N\u00ebse jemi m\u00eb t\u00eb sakt\u00eb, materiali emetues q\u00eb u p\u00ebrdor \u00ebsht\u00eb monokatia WS2 (disulfid tungsteni), e cila ka energji lidh\u00ebse t\u00eb konsiderueshme p\u00ebr eksitonet, q\u00eb ishte nj\u00eb nga kriteret kryesore p\u00ebr zgjedhjen e baz\u00ebs materiale.<\/p>\n

Kombinimi i t\u00eb gjith\u00eb elementeve t\u00eb p\u00ebrmendura m\u00eb sip\u00ebr ka lejuar krijimin e nj\u00eb drit\u00eb LED polariton\u00ebsh t\u00eb kontrolluar elektrikisht, q\u00eb funksionon n\u00eb temperatura dhome.<\/p>\n

P\u00ebr realizimin e k\u00ebtij dispositivi, monokati WS2 \u00ebsht\u00eb vendosur mes barrierave t\u00eb holla heksagonale t\u00eb azotit borit (hBN) me shtresa grafenesh, q\u00eb sh\u00ebrbejn\u00eb si elektroda.<\/p>\n

Rezultatet e hulumtimit<\/h3>\n

\nWS2, si nj\u00eb dikhalkogjenid i metalit kalimtar, \u00ebsht\u00eb gjithashtu nj\u00eb material Van-der-Waals (vdW) me trash\u00ebsi atomike. Kjo tregon p\u00ebr pronat e tij unike elektrike, optike, mekanike dhe termike. <\/p>\n

N\u00eb bashk\u00ebpunim me materiale t\u00eb tjera vdW, si grafeni (si nj\u00eb udh\u00ebzues) dhe azoti borit heksagonal (hBN, si nj\u00eb izolues), mund t\u00eb realizohen nj\u00eb mori dispozita pol semikonduktore q\u00eb kontrollohen elektrikisht, duke p\u00ebrfshir\u00eb LED-et. Kombinimet e tilla t\u00eb materialeve Van-der-Waals dhe polariton\u00ebve jan\u00eb realizuar m\u00eb par\u00eb, si\u00e7 tregojn\u00eb qart\u00eb hulumtuesit. Megjithat\u00eb, n\u00eb punimet e m\u00ebparshme sistemet e marra si rezultat ishin t\u00eb nd\u00ebrlikuara dhe t\u00eb pap\u00ebrkryera, duke mos zbuluar t\u00eb gjith\u00eb potencialin e secil\u00ebs p\u00ebrb\u00ebr\u00ebs.<\/p>\n

Nj\u00eb nga idet\u00eb, frym\u00ebzimi p\u00ebr t\u00eb cilat ishte paraardh\u00ebsit, ishte p\u00ebrdorimi i nj\u00eb platforme t\u00eb materialit dy-dimensional. N\u00eb k\u00ebt\u00eb m\u00ebnyr\u00eb, mund t\u00eb zbatohen pajisje me shtresa emisive atomike t\u00eb holla, t\u00eb cilat mund t\u00eb integrohen me materiale vdW, q\u00eb sh\u00ebrbejn\u00eb si kontakte (grafeni) dhe barrierat tunel (hBN). P\u00ebr m\u00eb tep\u00ebr, nj\u00eb dyz\u00ebsi e till\u00eb lejon bashkimin e LED-ve polariton me materialet vdW q\u00eb kan\u00eb pronat magnetike t\u00eb pazakonta, superkonduktivitet t\u00eb fuqish\u00ebm dhe\/ose transferta topologjike jo standarde. Si rezultat i k\u00ebtij bashkimi, mund t\u00eb krijohet nj\u00eb lloj t\u00eb ri pajisjeje, pronat e s\u00eb cil\u00ebs mund t\u00eb jen\u00eb mjaft t\u00eb pazakonshme. Por, si\u00e7 thon\u00eb shkenc\u00ebtar\u00ebt, kjo \u00ebsht\u00eb nj\u00eb tem\u00eb p\u00ebr nj\u00eb studim tjet\u00ebr.<\/p>\n

\"E
\nImazhi \u21161<\/i><\/p>\n

N\u00eb imazhin 1a<\/b> tregohet nj\u00eb model tre-dimensional i pajisjes, q\u00eb i ngjan nj\u00eb pite me feta. Si pasqyr\u00eb e sip\u00ebrme e rezonatorit optik sh\u00ebrben nj\u00eb shtres\u00eb argjendi, nd\u00ebrsa si poshtme - nj\u00eb reflektor i distribuuar me 12 shtresa reflektori Bragg*<\/i>. N\u00eb zon\u00ebn aktive \u00ebsht\u00eb vendosur zona tunel.<\/p>\n

Reflektori i distribuuar Bragg*<\/b> \u2014 nj\u00eb struktur\u00eb me disa nivele ku treguesi i thyerjes s\u00eb materialit ndryshon periodikisht perpendicularisht me nivelet.<\/p><\/blockquote>\n

Zona e tunnelit p\u00ebrb\u00ebhet nga nj\u00eb heterostruktur\u00eb vdW e p\u00ebrb\u00ebr\u00eb nga nj\u00eb monoshtres\u00eb WS2 (burim drite), shtresa t\u00eb hBN t\u00eb holla n\u00eb t\u00eb dy an\u00ebt e monoshtres\u00ebs (barrier\u00eb tuneli) dhe grafeni (elektroda transparente p\u00ebr injektimin e elektroneve dhe vrimave).<\/p>\n

Jane shtuar dy nivele t\u00eb tjera WS2 p\u00ebr t\u00eb rritur forc\u00ebn totale t\u00eb gjeneratorit dhe, p\u00ebr rrjedhoj\u00eb, p\u00ebr nj\u00eb ndarje m\u00eb t\u00eb dukshme t\u00eb gjendjeve polaritoni Rabin.<\/p>\n

Rejimi i funksionimit t\u00eb rezonatorit rregullohet duke ndryshuar trash\u00ebsin\u00eb e shtres\u00ebs PMMA (polimetilmetakrilati, pra, plastika organike).<\/p>\n

Imazh 1b<\/b> kjo \u00ebsht\u00eb nj\u00eb fotografi e heterostruktur\u00ebs vdW n\u00eb sip\u00ebrfaqen e reflektorit t\u00eb Bragg t\u00eb shp\u00ebrndar\u00eb. P\u00ebr shkak t\u00eb aft\u00ebsis\u00eb s\u00eb lart\u00eb reflektuese t\u00eb reflektorit t\u00eb Bragg t\u00eb shp\u00ebrndar\u00eb, q\u00eb \u00ebsht\u00eb shtresa e poshtme, zona e tunnelit n\u00eb fotografi ka nj\u00eb kontrast shum\u00eb t\u00eb ul\u00ebt reflektimi, duke rezultuar n\u00eb vet\u00ebm shtres\u00ebn e sip\u00ebrme t\u00eb trash\u00eb hBN.<\/p>\n

Grafik 1c<\/b> paraqet nj\u00eb diagram\u00eb vdW t\u00eb heterostruktur\u00ebs n\u00eb gjeometrin\u00eb e tunelit gjat\u00eb zhvendosjes. Elektrluminescenca (EL) vrojtohet mbi tensionin kufitar, kur niveli i Fermi i grafenit t\u00eb sip\u00ebrm (apo t\u00eb posht\u00ebm) \u00ebsht\u00eb zhvendosur mbi (apo n\u00ebn) zon\u00ebn e udh\u00ebtimit (valentizmi) t\u00eb WS2, duke lejuar q\u00eb elektroni (duke) t\u00eb tuneloj\u00eb n\u00eb zon\u00ebn e udh\u00ebtimit (valentizmi) t\u00eb WS2. Kjo krijon kushte t\u00eb favorshme p\u00ebr formimin e eksiton\u00ebve n\u00eb shtres\u00ebn e WS2 me ribashkimin radiativ (emitor).<\/p>\n

N\u00eb ndryshim nga burimet e drit\u00ebs t\u00eb bazuara n\u00eb kalimet p-n, p\u00ebr pun\u00ebn e t\u00eb cilave k\u00ebrkohet doping, EL nga pajisjet tunel i varf\u00ebr vet\u00ebm nga rrjedha tunel, e cila parandalon humbjet optike dhe \u00e7do ndryshim n\u00eb rezistenc\u00ebn specifike q\u00eb shkaktohet nga ndryshimi i temperatur\u00ebs. Nd\u00ebrkoh\u00eb, arkitektura e tunelit lejon nj\u00eb zon\u00eb shum\u00eb m\u00eb t\u00eb madhe emetimi krahasuar me pajisjet e dyshkall\u00eb t\u00eb bazuara n\u00eb kalimet p-n.<\/p>\n

Imazh 1d<\/b> demonstron karakteristikat elektrike t\u00eb dend\u00ebsis\u00eb s\u00eb rrjedh\u00ebs tunel (J<\/i>) si funksion i tensionit t\u00eb zhvendosjes (V<\/i>) nd\u00ebr elektrod\u00ebt e grafenit. Rritja e papritur e rrym\u00ebs p\u00ebr tensionin pozitiv dhe negativ tregon p\u00ebr krijimin e rrym\u00ebs p\u00ebrmes struktur\u00ebs. N\u00eb trash\u00ebsin\u00eb optimale t\u00eb shtresave hBN (~2 nm), v\u00ebrehet nj\u00eb rrym\u00eb tunele e dukshme dhe nj\u00eb rritje e koh\u00ebs s\u00eb jet\u00ebs s\u00eb bart\u00ebsve t\u00eb inkorporuar p\u00ebr rikombinimin emetues.<\/p>\n

Para realizimit t\u00eb eksperimentit elektroluminescente, u krye karakterizimi i vej\u00ebs p\u00ebr aft\u00ebsin\u00eb reflektuese t\u00eb drit\u00ebs s\u00eb bardh\u00eb me rezolut\u00eb k\u00ebndore p\u00ebr t\u00eb konfirmuar pranin\u00eb e lidhjes t\u00eb fort\u00eb ekzitonike.<\/p>\n

\"E
\nImazhi \u21162<\/i><\/p>\n

N\u00eb imazhin 2a<\/b> u treguan spektrat e reflektimit me rezolut\u00eb k\u00ebndore nga zona aktive e vej\u00ebs, duke demonstruar sjellje q\u00eb pengon kalimin. Po ashtu, u v\u00ebrejt fotoluminescenc\u00eb (FL) gjat\u00eb eksitimit jo-rezonant (460 nm), duke demonstruar emetim t\u00eb fort\u00eb nga dega e poshtme e polaritonit dhe emetim m\u00eb t\u00eb dob\u00ebt nga dega e sip\u00ebrme e polaritonit (2b<\/b>).<\/p>\n

N\u00eb 2s<\/b> tregohet dispersioni i elektroluminescenc\u00ebs s\u00eb polaritonit gjat\u00eb futjes s\u00eb 0.1 \u00b5A\/mk\u00b2. Ndarja Rabi dhe shqet\u00ebsimi i rezonatorit, t\u00eb cilat u fituan p\u00ebrmes p\u00ebrshtatjes s\u00eb modifikimeve t\u00eb oscilatorit (vijat e zigzaguara dhe t\u00eb vazhduara t\u00eb bardha) me eksperimentin elektroluminescent, jan\u00eb af\u00ebrsisht 33 meV dhe -13 meV p\u00ebrkat\u00ebsisht. Shqet\u00ebsimi i rezonatorit p\u00ebrkufizohet si \u03b4 = Ec \u2212 Ex, ku Ex \u00ebsht\u00eb energjia e eksitonit, dhe Ec p\u00ebrfaq\u00ebson energjin\u00eb e fotonit t\u00eb rezonatorit me impulset zero n\u00eb fush\u00eb. Grafiku 2d<\/b> ky \u00ebsht\u00eb nj\u00eb prerje nga k\u00ebndet e ndryshme t\u00eb dispersis\u00eb elektroluminescente. K\u00ebtu, \u00ebsht\u00eb mir\u00eb e dukshme dispersioni i modave polariton m\u00eb t\u00eb lart\u00eb dhe m\u00eb t\u00eb ul\u00ebt me antikontakim q\u00eb ndodh n\u00eb zon\u00ebn e rezonan\u00ebs eksitonike.<\/p>\n

\"E
\nImazhi Nr. 3<\/i><\/p>\n

Me rritjen e rrym\u00ebs s\u00eb tunnelingut, intensiteti total i EL rritet. EL e dob\u00ebt nga polaritonet v\u00ebrehet af\u00ebr zhvendosjes s\u00eb pragut (3a<\/b>), nd\u00ebrsa me nj\u00eb zhvendosje t\u00eb mjaftueshme mbi prag, emetimi polariton b\u00ebhet i qart\u00eb (3b<\/b>).<\/p>\n

N\u00eb imazhin 3c<\/b> tregohet grafiku polar i intensitetit ELL si funksion i k\u00ebndit, duke paraqitur nj\u00eb konus t\u00eb ngusht\u00eb emetimi \u00b1 15\u00b0. Diagrami i emissionit mbetet praktikisht i pandryshuar si p\u00ebr minimumin (kurba e gjelb\u00ebr), ashtu edhe p\u00ebr maksimumin (kurba portokalli) e rrym\u00ebs s\u00eb eksitimit. N\u00eb 3d<\/b> tregohet intensiteti i integruar p\u00ebr rrymat e ndryshme t\u00eb tunelit, q\u00eb, si\u00e7 shihet nga grafiku, \u00ebsht\u00eb mjaft linear. Prandaj, rritja e rrym\u00ebs n\u00eb vlera t\u00eb larta mund t\u00eb \u00e7oj\u00eb n\u00eb shp\u00ebrndarjen e suksesshme t\u00eb polariton\u00ebve p\u00ebrgjat\u00eb deg\u00ebs s\u00eb poshtme dhe t\u00eb krijoj\u00eb nj\u00eb diagram emetimi jasht\u00ebzakonisht t\u00eb ngusht\u00eb p\u00ebr shkak t\u00eb gjenerimit t\u00eb polariton\u00ebve. Megjithat\u00eb, n\u00eb k\u00ebt\u00eb eksperiment nuk ishte e mundur t\u00eb arrihej kjo p\u00ebr shkak t\u00eb nj\u00eb kufizimi lidhur me thyerjen dielektrike t\u00eb kufirit t\u00eb tunelit hBN. <\/p>\n

Pikat e kuqe n\u00eb 3d<\/b> tregojn\u00eb matjet e nj\u00eb treguesi tjet\u00ebr \u2014 efikasiteti t\u00eb jasht\u00ebm efikasitetit kuantik*<\/i>.<\/p>\n

Efikasiteti kuantik*<\/b> \u2014 raporti i numrit t\u00eb fotoneve, absorbimi i t\u00eb cilave shkaktoi formimin e kuazic\u00ebshtjellave, ndaj numrit total t\u00eb fotoneve t\u00eb absorbuara.<\/p><\/blockquote>\n

Efikasiteti kuantik i v\u00ebzhguar \u00ebsht\u00eb n\u00eb nivel t\u00eb ngjash\u00ebm me at\u00eb n\u00eb LED-t\u00eb e tjera polaritonesh (t\u00eb bazuara n\u00eb materiale organike, tubat e karbonit, etj.). Vlen t\u00eb theksohet se n\u00eb pajisjen e studiuar, trash\u00ebsia e shtres\u00ebs drit\u00ebp\u00ebr\u00e7ues \u00ebsht\u00eb vet\u00ebm 0.7 nm, nd\u00ebrsa n\u00eb pajisje t\u00eb tjera ky tregues \u00ebsht\u00eb shum\u00eb m\u00eb e lart\u00eb. Shkenc\u00ebtar\u00ebt nuk e fshehin se treguesi i efikasitetit kuantik t\u00eb pajisjes s\u00eb tyre nuk \u00ebsht\u00eb m\u00eb i larti, por ai mund t\u00eb rritet duke vendosur nj\u00eb num\u00ebr m\u00eb t\u00eb madh monoshkall\u00ebsh brenda zon\u00ebs s\u00eb tunelit, t\u00eb ndara me shtresa t\u00eb hBN t\u00eb holla. <\/p>\n

K\u00ebrkuesit gjithashtu verifikuan ndikimin e shqet\u00ebsimit t\u00eb rezonatorit n\u00eb EL polariton, duke prodhuar nj\u00eb pajisje tjet\u00ebr, por me nj\u00eb shqet\u00ebsim m\u00eb t\u00eb fort\u00eb (- 43 meV).<\/p>\n

\"E
\nImazhi \u21164<\/i><\/p>\n

N\u00eb imazhin 4a<\/b> Spektrat EL me resolucion k\u00ebndor t\u00eb k\u00ebsaj pajisjeje jan\u00eb treguar me densitet aktual prej 0.2 \u03bcA\/mk\u00b2. P\u00ebr shkak t\u00eb shqet\u00ebsimit t\u00eb fort\u00eb, pajisja tregon nj\u00eb efekt t\u00eb duksh\u00ebm t\u00eb qaf\u00ebs s\u00eb shishkes n\u00eb EL me maksimumin e emisionit q\u00eb ndodh n\u00ebn nj\u00eb k\u00ebnd t\u00eb madh. Kjo konfirmohet m\u00eb tej n\u00eb imazh 4b<\/b>, ku grafikat polare t\u00eb k\u00ebsaj pajisjeje krahasohen me t\u00eb par\u00ebn (2s<\/b>).<\/p>\n

P\u00ebr nj\u00eb njohje m\u00eb t\u00eb detajuar me nuancat e hulumtimit, rekomandoj t\u00eb shikoni n\u00eb raportin e shkenc\u00ebtar\u00ebve<\/a><\/noindex>.<\/p>\n

Epilogu<\/h3>\n

\nK\u00ebshtu, t\u00eb gjitha v\u00ebzhgimet dhe matjet e sip\u00ebrp\u00ebrmendura konfirmojn\u00eb prani e elektroluminescenc\u00ebs polaritone n\u00eb struktur\u00ebn hetero-vdW, e integruar n\u00eb mikrorezonatorin optik. Arkitektura tunelore e pajisjes s\u00eb studiuar siguron futurimin e elektroneve\/vrimave dhe rikombinimin n\u00eb monoshtes\u00ebn WS2, e cila sh\u00ebrben si burim drite. \u00cbsht\u00eb e r\u00ebnd\u00ebsishme q\u00eb mekanizmi i tunelit t\u00eb pajisjes nuk k\u00ebrkon legjendimin e komponenteve, gj\u00eb q\u00eb minimizon humbjet dhe ndryshimet e ndryshme t\u00eb lidhura me temperatur\u00ebn.<\/p>\n

\u00cbsht\u00eb v\u00ebrtetuar se elektroluminescenca ka nj\u00eb orjentim t\u00eb lart\u00eb fal\u00eb dispersis\u00eb s\u00eb rezonatorit. Ndaj, p\u00ebrmir\u00ebsimi i cil\u00ebsis\u00eb s\u00eb rezonatorit dhe nj\u00eb furnizim m\u00eb i lart\u00eb me energji do t\u00eb lejoj\u00eb rritjen e efikasitetit t\u00eb diodave LED mikrorezonator, si dhe polariton\u00ebve dhe lazer\u00ebve fotonik\u00eb t\u00eb mikrorezonator\u00ebve t\u00eb menaxhuar elektrikisht.<\/p>\n

Ky punim konfirmon s\u00ebrish se dikhalkogjenid\u00ebt e metaleve kalimtare kan\u00eb v\u00ebrtet\u00eb veti unike dhe nj\u00eb gam\u00eb t\u00eb gjer\u00eb p\u00ebrdorimi.<\/p>\n

K\u00ebto hetime dhe shpikje novatore mund t\u00eb ken\u00eb nj\u00eb ndikim t\u00eb r\u00ebnd\u00ebsish\u00ebm n\u00eb zhvillimin dhe p\u00ebrhapjen e teknologjive t\u00eb transmetimit t\u00eb t\u00eb dh\u00ebnave p\u00ebrmes LED-ve dhe drit\u00ebs n\u00eb p\u00ebrgjith\u00ebsi. Nj\u00eb nga k\u00ebto teknologji futuriste \u00ebsht\u00eb Li-Fi, e cila mund t\u00eb ofroj\u00eb shpejt\u00ebsi ndjesh\u00ebm m\u00eb t\u00eb lart\u00eb se Wi-Fi aktual.<\/p>\n

Fal\u00ebnderoj p\u00ebr v\u00ebmendjen, q\u00ebndroni kurioz\u00eb dhe gjith\u00eb t\u00eb mirat p\u00ebr nj\u00eb jav\u00eb t\u00eb mbar\u00eb, guys! \ud83d\ude42<\/p>\n

Faleminderit q\u00eb jeni me ne. Ju p\u00ebrqejn\u00eb artikujt tan\u00eb? Doni t\u00eb shihni m\u00eb shum\u00eb materiale interesante? Na mb\u00ebshtesni me nj\u00eb porosi ose duke na rekomanduar miqve tuaj, 30% zbritje p\u00ebr p\u00ebrdoruesit e Habra p\u00ebr nj\u00eb alternativ\u00eb unike t\u00eb server\u00ebve entry-level, e cila \u00ebsht\u00eb krijuar nga ne p\u00ebr ju:<\/b> E gjith\u00eb e v\u00ebrteta rreth VPS (KVM) E5-2650 v4 (6 Ndot\u00ebs) 10GB DDR4 240GB SSD 1Gbps nga $20, ose si ta ndash n\u00eb m\u00ebnyr\u00eb t\u00eb duhur serverin?<\/a><\/noindex> (disponohen variante me RAID1 dhe RAID10, deri n\u00eb 24 b\u00ebrthama dhe deri n\u00eb 40GB DDR4).<\/p>\n

Dell R730xd p\u00ebr dy her\u00eb m\u00eb lir\u00eb?<\/b> Vet\u00ebm k\u00ebtu 2 x Intel TetraDeca-Core Xeon 2x E5-2697v3 2.6GHz 14C 64GB DDR4 4x960GB SSD 1Gbps 100 TB nga $199<\/a><\/noindex> n\u00eb Holand\u00eb! Dell R420 \u2014 2x E5-2430 2.2Ghz 6C 128GB DDR3 2x960GB SSD 1Gbps 100TB \u2014 nga $99!<\/b><\/b> Lexoni rreth Si t\u00eb nd\u00ebrtosh nj\u00eb infrastruktur\u00eb t\u00eb klas\u00ebs korporative me p\u00ebrdorimin e server\u00ebve Dell R730xd E5-2650 v4 me \u00e7mim prej 9000 euro p\u00ebr pak para?<\/a><\/noindex>
\n
Burimi: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041d\u0430 \u043f\u0440\u043e\u0442\u044f\u0436\u0435\u043d\u0438\u0438 \u043c\u043d\u043e\u0433\u0438\u0445 \u043b\u0435\u0442 \u0443\u0447\u0435\u043d\u044b\u0435 \u0441\u043e \u0432\u0441\u0435\u0433\u043e \u043c\u0438\u0440\u0430 \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0442\u0441\u044f \u0434\u0432\u0443\u043c\u044f \u0432\u0435\u0449\u0430\u043c\u0438 \u2014 \u0438\u0437\u043e\u0431\u0440\u0435\u0442\u0430\u044e\u0442 \u0438 \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u0441\u0442\u0432\u0443\u044e\u0442. \u0418 \u043f\u043e\u0440\u043e\u0439 \u043d\u0435\u044f\u0441\u043d\u043e, \u0447\u0442\u043e \u0438\u0437 \u044d\u0442\u043e\u0433\u043e \u0441\u043b\u043e\u0436\u043d\u0435\u0435. \u0412\u0437\u044f\u0442\u044c, \u043a \u043f\u0440\u0438\u043c\u0435\u0440\u0443, \u043e\u0431\u044b\u043a\u043d\u043e\u0432\u0435\u043d\u043d\u044b\u0435 \u0441\u0432\u0435\u0442\u043e\u0434\u0438\u043e\u0434\u044b, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043a\u0430\u0436\u0443\u0442\u0441\u044f \u043d\u0430\u043c \u0441\u0442\u043e\u043b\u044c \u043f\u0440\u043e\u0441\u0442\u044b\u043c\u0438 \u0438 \u043e\u0431\u044b\u0434\u0435\u043d\u043d\u044b\u043c\u0438, \u0447\u0442\u043e \u043c\u044b \u0438 \u043d\u0435 \u043e\u0431\u0440\u0430\u0449\u0430\u0435\u043c \u043d\u0430 \u043d\u0438\u0445 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435. \u041d\u043e \u0435\u0441\u043b\u0438 \u0432 \u043d\u0438\u0445 \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c \u043d\u0435\u043c\u043d\u043e\u0433\u043e \u044d\u043a\u0441\u0438\u0442\u043e\u043d\u043e\u0432, \u0449\u0435\u043f\u043e\u0442\u043a\u0443 \u043f\u043e\u043b\u044f\u0440\u0438\u0442\u043e\u043d\u043e\u0432 \u0438 \u0434\u0438\u0441\u0443\u043b\u044c\u0444\u0438\u0434 \u0432\u043e\u043b\u044c\u0444\u0440\u0430\u043c\u0430 \u043f\u043e […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":28964,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-38607","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47E ardhmja e Li-Fi: polaritonat, eksitonat, fotonat dhe pak disulfid tungsteni | ProHoster","description":"P\u00ebr shum\u00eb vite, shkenc\u00ebtar\u00ebt nga mbar\u00eb bota jan\u00eb angazhuar n\u00eb dy gj\u00ebra \u2014 shpikjen dhe p\u00ebrmir\u00ebsimin. Dhe nganj\u00ebher\u00eb \u00ebsht\u00eb e paqart\u00eb se cila prej k\u00ebtyre \u00ebsht\u00eb m\u00eb e v\u00ebshtir\u00eb. Merrni parasysh LED-t\u00eb e zakonsh\u00ebm, q\u00eb na duken kaq t\u00eb thjesht\u00eb dhe t\u00eb zakonsh\u00ebm, saq\u00eb as nuk u kushtojm\u00eb v\u00ebmendje. Por n\u00ebse shtojm\u00eb pak eksitona, nj\u00eb grimc\u00eb polaritonash dhe disulfid tungsteni, at\u00ebher\u00eb...","canonical_url":"https:\/\/prohoster.info\/sq\/blog\/administrirovanie\/budushhee-li-fi-polyaritony-eksitony-fotony-i-nemnogo-disulfida-volframa","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sq_AL","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0411\u0443\u0434\u0443\u0449\u0435\u0435 Li-Fi: \u043f\u043e\u043b\u044f\u0440\u0438\u0442\u043e\u043d\u044b, \u044d\u043a\u0441\u0438\u0442\u043e\u043d\u044b, \u0444\u043e\u0442\u043e\u043d\u044b \u0438 \u043d\u0435\u043c\u043d\u043e\u0433\u043e \u0434\u0438\u0441\u0443\u043b\u044c\u0444\u0438\u0434\u0430 \u0432\u043e\u043b\u044c\u0444\u0440\u0430\u043c\u0430 | ProHoster","og:description":"\u041d\u0430 \u043f\u0440\u043e\u0442\u044f\u0436\u0435\u043d\u0438\u0438 \u043c\u043d\u043e\u0433\u0438\u0445 \u043b\u0435\u0442 \u0443\u0447\u0435\u043d\u044b\u0435 \u0441\u043e \u0432\u0441\u0435\u0433\u043e \u043c\u0438\u0440\u0430 \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0442\u0441\u044f \u0434\u0432\u0443\u043c\u044f \u0432\u0435\u0449\u0430\u043c\u0438 \u2014 \u0438\u0437\u043e\u0431\u0440\u0435\u0442\u0430\u044e\u0442 \u0438 \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u0441\u0442\u0432\u0443\u044e\u0442. \u0418 \u043f\u043e\u0440\u043e\u0439 \u043d\u0435\u044f\u0441\u043d\u043e, \u0447\u0442\u043e \u0438\u0437 \u044d\u0442\u043e\u0433\u043e \u0441\u043b\u043e\u0436\u043d\u0435\u0435. \u0412\u0437\u044f\u0442\u044c, \u043a \u043f\u0440\u0438\u043c\u0435\u0440\u0443, \u043e\u0431\u044b\u043a\u043d\u043e\u0432\u0435\u043d\u043d\u044b\u0435 \u0441\u0432\u0435\u0442\u043e\u0434\u0438\u043e\u0434\u044b, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043a\u0430\u0436\u0443\u0442\u0441\u044f \u043d\u0430\u043c \u0441\u0442\u043e\u043b\u044c \u043f\u0440\u043e\u0441\u0442\u044b\u043c\u0438 \u0438 \u043e\u0431\u044b\u0434\u0435\u043d\u043d\u044b\u043c\u0438, \u0447\u0442\u043e \u043c\u044b \u0438 \u043d\u0435 \u043e\u0431\u0440\u0430\u0449\u0430\u0435\u043c \u043d\u0430 \u043d\u0438\u0445 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435. \u041d\u043e \u0435\u0441\u043b\u0438 \u0432 \u043d\u0438\u0445 \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c \u043d\u0435\u043c\u043d\u043e\u0433\u043e \u044d\u043a\u0441\u0438\u0442\u043e\u043d\u043e\u0432, \u0449\u0435\u043f\u043e\u0442\u043a\u0443 \u043f\u043e\u043b\u044f\u0440\u0438\u0442\u043e\u043d\u043e\u0432 \u0438 \u0434\u0438\u0441\u0443\u043b\u044c\u0444\u0438\u0434 \u0432\u043e\u043b\u044c\u0444\u0440\u0430\u043c\u0430 \u043f\u043e","og:url":"https:\/\/prohoster.info\/sq\/blog\/administrirovanie\/budushhee-li-fi-polyaritony-eksitony-fotony-i-nemnogo-disulfida-volframa","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2019-10-31T19:24:51+00:00","article:modified_time":"2019-10-31T19:24:51+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"38607","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":"2026-01-23 22:44:20","breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-03-01 01:06:24","updated":"2026-01-23 22:44:20"},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/posts\/38607","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/comments?post=38607"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/posts\/38607\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/media\/28964"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/media?parent=38607"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/categories?post=38607"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/tags?post=38607"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}