Mmetụta nke silicon carbide diode dị elu naIhe nchọta PIN
Silicon carbide PIN diode nwere ikike dị elu bụ otu n'ime ebe na-ekpo ọkụ na ngalaba nyocha ngwaọrụ ike. PIN diode bụ diode kristal wuru site na sandwiching oyi akwa nke semiconductor intrinsic (ma ọ bụ semiconductor nwere obere ntinye nke adịghị ọcha) n'etiti mpaghara P+ na mpaghara n+. The i na PIN bụ abbreviation English maka pụtara "interrinsic", n'ihi na ọ gaghị ekwe omume na-adị ọcha semiconductor na-enweghị adịghị ọcha, ya mere I oyi akwa nke PIN diode na ngwa bụ ihe ọzọ ma ọ bụ obere agwakọta na obere ego nke P-ụdị ma ọ bụ N-ụdị adịghị ọcha. Ugbu a, silicon carbide PIN diode na-anabata usoro Mesa na nhazi ụgbọ elu.
Mgbe ugboro ole PIN diode na-arụ ọrụ karịrị 100MHz, n'ihi mmetụta nchekwa nke ndị na-ebu ole na ole na oge ntụgharị na oyi akwa I, diode na-efunahụ mmetụta mmezi ahụ wee ghọọ ihe mgbochi, ọnụ ahịa impedance ya na-agbanwe na voltaji ele anya. Na efu eleghi anya ma ọ bụ DC na-atụgharị uche, mgbochi na mpaghara m dị oke elu. Na nhụsianya na-aga n'ihu nke DC, mpaghara I na-egosi ọnọdụ mgbochi dị ala n'ihi ịgba ọgwụ mgbochi ụgbọelu. Ya mere, enwere ike iji PIN diode mee ihe dị ka ihe na-agbanwe agbanwe, n'ọhịa nke ngwa ndakwa nri na njikwa RF, ọ na-adịkarị mkpa iji ngwaọrụ mgbanwe iji nweta ngbanwe mgbaàmà, karịsịa na ụfọdụ ebe njikwa akara ngosi dị elu, PIN diodes nwere ikike njikwa akara ngosi RF dị elu, ma a na-ejikwa ya n'ọtụtụ ebe na ngbanwe oge, mgbanwe mgbanwe, njedebe na sekit ndị ọzọ.
A na-eji silicon carbide diode dị elu mee ihe n'ọhịa ike n'ihi njirimara nguzogide voltaji ya, nke a na-ejikarị dị ka tube rectifier dị elu. NkePIN diodenwere nnukwu mgbawa voltaji VB dị elu, n'ihi obere doping i oyi akwa n'etiti na-ebu ọdịda voltaji isi. Ịbawanye ọkpụrụkpụ nke mpaghara m na ibelata ntinye doping nke mpaghara m nwere ike imeziwanye voltaji ndakpọ nke PIN diode, mana ọnụnọ nke mpaghara m ga-emeziwanye voltaji na-aga n'ihu VF nke ngwaọrụ niile na oge ngbanwe nke ngwaọrụ ahụ ruo n'ókè ụfọdụ, na diode nke silicon carbide ihe nwere ike mejupụta maka adịghị ike ndị a. Silicon carbide ugboro 10 dị oke egwu mmebi eletrik eletrik nke silicon, nke mere na silicon carbide diode I zone ọkpụrụkpụ nwere ike belata ka ọ bụrụ otu ụzọ n'ụzọ iri nke silicon tube, ebe ị na-ejigide voltaji mmebi dị elu, yana ezigbo ọkụ ọkụ nke silicon carbide ihe, a gaghị enwe nsogbu mkpofu ọkụ doro anya, ya mere silicon carbide diode diode dị elu aghọwo ihe dị mkpa na-arụ ọrụ eletriki igwe ọgbara ọhụrụ.
N'ihi obere mwepu azụ ya dị ugbu a yana nnukwu ihe na-ebu ibu, diodes silicon carbide nwere nnukwu mmasị na mpaghara nchọpụta fotoelectric. Obere ntapu nke ugbu a nwere ike ibelata oge ọchịchịrị nke ihe nchọta ma belata mkpọtụ; Mbugharị ụgbọ elu dị elu nwere ike imeziwanye mmetụta nke silicon carbide nke ọmaIhe nchọpụta PIN(PIN Photodetector). Njirimara dị elu nke silicon carbide diodes na-enyere ndị na-achọpụta PIN aka ịchọpụta isi mmalite ọkụ siri ike ma na-eji ya eme ihe n'ọhịa. A na-elebara diode silicon carbide diode dị elu anya n'ihi njirimara ya mara mma, na nchọpụta ya emebekwara nke ukwuu.
Oge nzipu: Ọktoba 13-2023