Silicon carbide zvinhu uye zvayakanakira

Mudziyo we semiconductor ndiwo musimboti wemichina yemazuva ano yemuchina, inoshandiswa zvakanyanya mumakombiyuta, zvigadzirwa zvemagetsi zvevatengi, kutaurirana kwenetiweki, zvigadzirwa zvemagetsi zvemotokari, nedzimwe nzvimbo dzepakati, indasitiri ye semiconductor inonyanya kuumbwa nezvinhu zvina zvakakosha: macircuit akabatanidzwa, zvishandiso zve optoelectronic, mudziyo wakasiyana, sensor, iyo inoumba anopfuura 80% yematunhu akabatanidzwa, saka kazhinji uye semiconductor uye dunhu rakabatanidzwa rakaenzana.

Dunhu rakabatanidzwa, zvichienderana nechikamu chechigadzirwa, rakakamurwa zvikuru muzvikamu zvina: microprocessor, memory, logic devices, simulator parts. Zvisinei, nekuwedzera kuri kuramba kuchiita nzvimbo yekushandisa yemidziyo yesemiconductor, zviitiko zvakawanda zvakakosha zvinoda kuti semiconductors dzikwanise kutevedzera kushandiswa kwekupisa kwakanyanya, mwaranzi yakasimba, simba rakawanda nedzimwe nzvimbo, hazvikuvadzi, chizvarwa chekutanga nechechipiri chemidziyo yesemiconductor hachina simba, saka chizvarwa chechitatu chemidziyo yesemiconductor chakavapo.

Parizvino, zvinhu zve semiconductor zve wide band gap zvinomiririrwa nekabhidhi yesilicon(SiC), gallium nitride (GaN), zinc oxide (ZnO), dhaimani, aluminium nitride (AlN) zviri mumusika une mabhenefiti makuru, pamwe chete zvichinzi zvinhu zve semiconductor zvechizvarwa chechitatu. Chizvarwa chechitatu chezvinhu zve semiconductor zvine upamhi hwakakura hwebhendi, simba remagetsi rinoparara, kupisa kunochinja, electronic saturated rate uye kugona kwakanyanya kurwisa mwaranzi, zvakakodzera kugadzira tembiricha yakakwira, frequency yakakwira, kuramba mwaranzi uye zvishandiso zvesimba rakakwirira, zvinowanzozivikanwa se semiconductor zvinhu zve wide bandgap (upamhi hwebhendi hwakarambidzwa hwakakura kupfuura 2.2 eV), zvinonziwo kupisa kwakakwira zvinhu zve semiconductor. Kubva mukutsvagurudza kuripo pamidziyo nemidziyo ye semiconductor yechizvarwa chechitatu, zvinhu zve semiconductor zve silicon carbide uye gallium nitride zvakakura, uyetekinoroji yesilicon carbidendiyo yakakura kupfuura dzose, nepo tsvakurudzo pamusoro pezinc oxide, diamond, aluminium nitride nezvimwe zvinhu ichiri padanho rekutanga.

Zvinhu uye Zvimiro Zvazvo:

Silicon carbidezvinhu izvi zvinoshandiswa zvakanyanya mumabhora eceramic, mavharuvhu, zvinhu zve semiconductor, magyro, zvishandiso zvekuyera, aerospace nedzimwe nzvimbo, zvave chinhu chisingatsiviwi muminda yakawanda yemaindasitiri.

SiC rudzi rwe superlattice yechisikigo uye polytype yakajairika yakafanana. Kune mhuri dzinopfuura mazana maviri (dzinozivikanwa parizvino) dze homotypic polytypic nekuda kwekusiyana kwepakeji pakati peSi neC diatomic layers, izvo zvinotungamira kune akasiyana magadzirirwo ekristaro. Saka, SiC yakakodzera kwazvo chizvarwa chitsva chezvinhu zve substrate zvinoburitsa chiedza (LED), zvinhu zvemagetsi zvine simba guru.