Re bonts'a laboratori ea "Advanced Nanomaterials le Optoelectronic Devices" ea Univesithi ea ITMO

Re se re tsamaisitse letoto lohle la maeto a manyane a lifoto ho Habré. E bontšitsoeng ea rona laboratori ea lisebelisoa tsa quantum, sheba matsoho a metjhini le baqhekelli ka laboratoring ea liroboto mme a sheba ka har'a sehlooho sa rona DIY coworking (Fablab).

Kajeno re tla u bolella hore na (le eng) e 'ngoe ea lilaboratori tsa rona Setsing sa Machabeng sa Saense bakeng sa Lisebelisoa tse Sebetsang le Lisebelisoa tsa Optoelectronics e ntse e sebetsa.

Re bonts'a laboratori ea "Advanced Nanomaterials le Optoelectronic Devices" ea Univesithi ea ITMO
Setšoantšong: X-ray diffractometer DRON-8

Ba etsang moo?

Laboratori ea "Advanced Nanomaterials and Optoelectronic Devices" e ile ea buloa motheong oa Setsi sa Machabeng sa Saense, se sebetsanang le lipatlisiso lisebelisoa tse ncha, ho kenyelletsa le li-semiconductors, litšepe, li-oxide sebakeng sa nanostructured, molemong oa tšebeliso ea tsona ho lisebelisoa le lisebelisoa tsa optoelectronic.

Baithuti, baithuti ba fumaneng mangolo le basebetsi ba laboratori boithuto thepa ea nanostructures le ho theha lisebelisoa tse ncha tsa semiconductor bakeng sa micro- le optoelectronics. Lintlafatso li sebelisoa tšimong ea mabone a LED a sebetsang hantle 'me li tla hlokahala haufinyane nakong e tlang ho lisebelisoa tsa elektronike tse nang le matla a phahameng bakeng sa marang-rang a bohlale (bohlale keriti).

Sechabeng sa baithuti, sebaka sa lipatlisiso Seterateng sa Lomonosov, moaho oa 9 o bitsoa "Laboratori ea Romanov", kaha Laboratori le Setsi li etelletsoe pele ke - A. E. Romanov, Ngaka ea Physical and Mathematics Sciences, moprofesa ea ka sehloohong le mookameli oa Faculty ea Laser Photonics le Optoelectronics Univesithing ea ITMO, mongoli oa likhatiso tsa saense tse fetang makholo a mararo le mohlōli oa lichelete le likhau tse ngata tsa machaba tsa saense.

Lisebelisoa

Laboratori e na le X-ray diffractometer DRON-8 ho tloha k'hamphani ea Russia Burevestnik (ka holimo ho KDPV). Ena ke e 'ngoe ea lisebelisoa tse ka sehloohong tsa ho hlahloba lisebelisoa.

E thusa ho tsebahatsa boleng ba likristale tse hlahisoang le li-heterostructures ka ho lekanya pono ea X-ray diffraction. Bakeng sa kalafo e futhumetseng ea meaho e tšesaane ea semiconductor e ntseng e ntlafatsoa, ​​re sebelisa ts'ebetso ena ea lapeng.

Re bonts'a laboratori ea "Advanced Nanomaterials le Optoelectronic Devices" ea Univesithi ea ITMO

Re sebelisa litsamaiso tsa boemo bo holimo tsa liteko ho khetholla, ho fetola le ho hlophisa li-LED. Ha re bue ka ea pele (setšoantšo se ka tlaase ka lehlakoreng le letšehali).

Re bonts'a laboratori ea "Advanced Nanomaterials le Optoelectronic Devices" ea Univesithi ea ITMO

Sena ke sesebelisoa se nepahetseng Asymtek S-820. Ke sistimi e ikemetseng ea ho fana ka lino tse nang le viscous. Sehlahisoa se joalo se bohlokoa haholo bakeng sa ho sebelisa lisebelisoa tsa phosphor ka nepo ho chip ea LED ho fihlela 'mala o khanyang o lakatsehang.

Qalong (ka ho sa feleng), li-LED tse tšoeu tseo re li tloaetseng li thehiloe holim'a li-chips tse tsoang ka har'a mofuta o moputsoa oa mahlaseli a bonahalang a mahlaseli a motlakase.

Re bonts'a laboratori ea "Advanced Nanomaterials le Optoelectronic Devices" ea Univesithi ea ITMO

Sesebelisoa sena (se setšoantšong se akaretsang bohareng) se lekanya litšobotsi tsa morao-rao tsa motlakase le ponahalo ea li-chips tsa LED mme li boloka data e lekantsoeng bakeng sa palo e kholo ea li-chips mohopolong oa khomphutha. Hoa hlokahala ho hlahloba likarolo tsa motlakase le tsa optical tsa disampole tse entsoeng. Ke kamoo ho kenya ho shebahalang kateng ha u bula mamati a maputsoa:

Re bonts'a laboratori ea "Advanced Nanomaterials le Optoelectronic Devices" ea Univesithi ea ITMO

Sesebelisoa sa boraro setšoantšong se akaretsang ke mokhoa oa ho hlopha le ho lokisa li-LED bakeng sa ho kenya ka mor'a moo. Ho latela litšoaneleho tse lekantsoeng, o bokella pasepoto ea LED. Ebe mohlophisi o e abela e 'ngoe ea lihlopha tse 256 ho itšetlehile ka boleng ba sesebelisoa sa semiconductor (sehlopha sa 1 ke li-LED tse sa khanyeng, sehlopha sa 256 ke tse khanyang ka ho fetisisa sebakeng se fanoeng).

Re bonts'a laboratori ea "Advanced Nanomaterials le Optoelectronic Devices" ea Univesithi ea ITMO

Setsing sa rona sa Machaba sa Lipatlisiso re boetse re sebetsa ka kholo ea thepa ea semiconductor le heterostructures. Li-heterostructures li holisitsoe ho sebelisoa beam epitaxy ea molek'hule ho kenngoeng ea RIBER MBE 49 k'hamphaning ea balekane Connector-Optics.

Ho fumana likristale tse le 'ngoe tsa oxide (tseo e leng li-semiconductors tse sephara-gap) ho tsoa ho qhibiliha, re sebelisa mochini o hlahisoang ka har'a naha o hlahisoang ke mefuta e mengata ea kholo ea NIKA-3. Wide-gap semiconductors e kanna ea ba le lits'ebetso ho li-relays tsa matla tsa nako e tlang, li-laser tse emeng tse holimo tsa VCSEL, li-detectors tsa ultraviolet, joalo-joalo.

Merero

Libakeng tsa Setsi sa Machabeng sa Saense, laboratoring ea rona e etsa lipatlisiso tse fapaneng tsa mantlha le tse sebelisoang.

Ka mohlala, hammoho le bafuputsi ba Ufa State Aviation Technical University, re re nts'etsapele li-conductor tse ncha tsa tšepe tse nang le conductivity e eketsehileng le matla a phahameng. Ho li theha, ho sebelisoa mekhoa ea deformation e matla ea polasetiki. Mohaho o motle oa motsoako oa motsoako o tlas'a phekolo ea mocheso, e leng ho khutlisetsang bongata ba liathomo tse sa hloekang linthong. Ka lebaka leo, li-parameter tsa conductivity le litšobotsi tsa matla tsa thepa li ntlafatsoa.

Basebetsi ba laboratori le bona ba ntse ba nts'etsapele mahlale a ho etsa li-transceivers tsa optoelectronic ka li-circuits tse kopaneng tsa photonic. Li-transceivers tse joalo li tla fumana ts'ebeliso indastering ea ho theha lits'ebetso tse phahameng tsa ts'ebetso ea phetiso / kamohelo ea tlhahisoleseling. Kajeno, sete sa litaelo se se se lokiselitsoe ho etsa li-prototypes tsa mehloli ea mahlaseli le li-photodetectors. Litokomane tsa moralo bakeng sa liteko tsa bona le tsona li lokisitsoe.

Morero oa bohlokoa oa laboratori inehetseng ho theha lisebelisoa tsa semiconductor tse pharalletseng le li-nanostructures tse nang le sekoli se tlase. Nakong e tlang, re sebelisa lisebelisoa tse ntseng li ntlafatsoa, ​​re tla khona ho hlahisa lisebelisoa tsa semiconductor tse bolokang matla tse e-s'o be le li-analogue 'marakeng.

Litsebi tsa rona li se li ntse li le teng ntlafala Li-LED, tse ka nkang sebaka sa mabone a sa sireletsehang a ultraviolet a thehiloeng ho mercury. Boleng ba lisebelisoa tse entsoeng bo itšetlehile ka 'nete ea hore matla a likopano tsa rona tsa ultraviolet LED a phahame ka makhetlo a' maloa ho feta matla a li-LED ka bomong - 25 W khahlanong le 3 W. Nakong e tlang, theknoloji e tla fumana ts'ebeliso ea tlhokomelo ea bophelo bo botle, phekolo ea metsi le libaka tse ling moo mahlaseli a ultraviolet a sebelisoang teng.

Sehlopha sa bo-ramahlale ho tsoa Setsing sa rona sa Mahlale sa Machabeng nahanahore lisebelisoa tsa nakong e tlang tsa optoelectronic li tla sebelisa thepa e tsotehang ea lintho tse nang le boholo ba nano - matheba a quantum, a nang le litekanyetso tse khethehileng tsa optical. Har'a bona - luminescence kapa khanya e se nang mocheso ea ntho, e sebelisoang lithelevisheneng, li-smartphone le lisebelisoa tse ling tse nang le lipontšo.

Re se re ntse re ntse re etsa ho thehoa ha lisebelisoa tse tšoanang tsa optoelectronic tsa moloko o mocha. Empa pele lisebelisoa li fihla 'marakeng, re tlameha ho sebetsana le mahlale a ho hlahisa thepa le ho netefatsa polokeho ea lisebelisoa tse hlahisoang bakeng sa basebelisi.

Maeto a mang a lifoto lilaboratoring tsa rona:

Source: www.habr.com

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