Kev Siv Ntau Yam Ntawm Pob Zeb Diamond

Pob zeb diamond, raws li cov khoom hnyav tshaj plaws hauv cov xwm txheej, tsis txwv rau cov tsoos thermal teb. Nws cov khoom siv lub cev tshwj xeeb tau pom muaj peev xwm zoo rau kev siv hauv ntau qhov chaw, los ntawm optics, acoustics, mechanics mus rau semiconductors. Kev siv ntau yam ntawm pob zeb diamond tau dhau los ua qhov tseem ceeb tsav tsheb rau kev tsim kho thev naus laus zis.

 

 

Tawm tsam keeb kwm yav dhau los ntawm kev loj hlob sai hauv kev ua haujlwm siab -kev ua tau zoo, kev txawj ntse, thiab 5G / 6G kev sib txuas lus thev naus laus zis, qhov kub ntawm cov chips txuas ntxiv nce ntxiv, thiab cov khoom siv hluav taws xob ib txwm muaj xws li tooj liab raws li cov dab dej kub thiab cov kav dej kub tau maj mam nce mus txog lawv cov kev txwv. Tau ntsib nrog qhov kev sib tw no, pob zeb diamond tau maj mam dhau los ua cov khoom siv zoo tshaj plaws rau siab - lub zog nti hluav taws xob dissipation vim nws cov thermal conductivity zoo heev.

 

Lub thermal conductivity ntawm pob zeb diamond yog siab li 2000-2500W / (m · K), uas yog li plaub npaug ntawm tooj liab thiab ntau tshaj li yim npaug ntawm txhuas. Qhov txiaj ntsig zoo li no ua rau nws muaj kev daws teeb meem rau kev cuam tshuam nrog huab cua kub heev. Tam sim no, txoj kev loj hlob ntawm pob zeb diamond hauv thermal daim ntawv thov nthuav tawm ob lub ntsiab lus:

• Pob zeb diamond muab tub lim: ntxiv cov pob zeb diamond raws li muab tub lim rau cov khoom siv hluav taws xob, cov khoom siv hluav taws xob thiab lwm yam ntaub ntawv los txhim kho cov thermal conductivity ntawm cov ntaub ntawv. Piv txwv li, Huawei tau lees paub nws qhov zoo dua hauv thermal conductivity efficiency los ntawm nws cov patented technology ntawm pob zeb diamond particle fillers. Cov kev sim tau pom tias piv rau cov khoom siv thermal conductive xws li roj silicone, pob zeb diamond fillers ho txhim kho thermal conductivity.
• Pob zeb diamond kub dab dej: Pob zeb diamond kub dab dej yog dav siv nyob rau hauv teb xws li kev sib txuas lus kho qhov muag, aerospace, lub zog tshiab tsheb, thiab 5G lub hauv paus chaw nres tsheb vim nws cov thermal conductivity thiab tsawg thermal expansion coefficient. Cov kev tshawb fawb tshiab tshaj plaws ua ke pob zeb diamond nrog microchannel txias tshuab los tsim cov pob zeb diamond microchannel substrates, uas yog suav tias yog ib txoj hauv kev zoo los daws cov teeb meem huab cua kub heev.

Qhov zoo ntawm thermal zoo ntawm pob zeb diamond tsis tsuas yog ua lub luag haujlwm hauv cov khoom siv hluav taws xob ib txwm muaj, tab sis kuj ua rau muaj peev xwm loj heev hauv kev txiav - ntug teb xws li quantum suav thiab xov tooj cua zaus tshuab.

 

 

Pob zeb diamond tsis yog tsuas yog ib tug zoo conductor ntawm tshav kub, tab sis nws cov khoom kho qhov muag kuj ua rau nws ci nyob rau hauv lub tshav pob ntawm optics. Pob zeb diamond muaj qhov dav dav tshaj plaws hauv cov khoom siv, xws li ntawm 225nm hauv ultraviolet mus rau 25 μm hauv infrared, ua kom pom tseeb pob tshab. Cov yam ntxwv no ua rau pob zeb diamond yog cov khoom siv zoo tshaj plaws rau kev ua cov qhov rais niaj hnub infrared optical.

 

Tsis tas li ntawd, daim ntawv thov ntawm pob zeb diamond nyob rau hauv lub tshav pob ntawm quantum optics kuj tau txais kev txaus siab. Cov chaw "nitrogen vacancy centers" (NV centers) hauv pob zeb diamond tau dhau los ua qhov zoo tshaj plaws hauv thaj chaw ntawm quantum sensors vim lawv lub xeev quantum tshwj xeeb.

Quantum Sensor:

• Cov kev tshawb fawb tau luam tawm los ntawm Tsukuba University pab pawg hauv Nature Communications qhia tau hais tias ultrafast nonlinear photon sensor tsim los ntawm NV cov chaw hauv pob zeb diamond. Lub sensor no tau tawg los ntawm qhov kev txwv tsis pub dhau ntawm cov tsoos electro- kho qhov muag sensors, ua tiav qib femtosecond temporal daws teeb meem thiab nanometer qib spatial daws teeb meem rau hluav taws xob teb nrhiav kom pom, muab cov cuab yeej tshiab rau kev kawm ntawm cov khoom siv semiconductor tsis ua haujlwm.

 

Qhov kev tawg no qhia tau hais tias kev siv pob zeb diamond hauv quantum sensors tsis txwv rau kev tshawb nrhiav theoretical, tab sis yog muab kev txhawb nqa rau kev ua haujlwm thev naus laus zis hauv kev xyaum. Cov khoom quantum ntawm pob zeb diamond ua rau nws daim ntawv thov kev cia siab nyob rau hauv siab - kev kuaj pom tseeb, quantum xam, thiab quantum kev sib txuas lus dav dav.

 

 

 

Cov khoom tshwj xeeb acoustic ntawm pob zeb diamond ua rau nws muaj peev xwm ua tau zoo rau kev thov hauv thaj chaw ntawm acoustics. Pob zeb diamond muaj lub suab nrov nrov tshaj plaws (txog 18000 m / s), uas ua rau lub suab nthwv dej nthuav tawm sai heev hauv nws. Qhov no feature tsis tsuas yog txhim kho cov lus teb ceev ntawm sonar system, tab sis kuj ua rau lub transducer kom ua tiav cov txiaj ntsig zoo dua hauv qhov ntim me me.

Kev tshawb nrhiav dej hiav txwv tob:

• Pob zeb diamond's ultra- lub suab nrawm ua rau nws yog qhov kev xaiv zoo tshaj plaws rau cov ntaub ntawv sonar transducer. Piv nrog rau cov tsoos piezoelectric ceramics thiab cov ntaub ntawv polymer, lub siab elastic modulus thiab txhua yam lub zog ntawm pob zeb diamond pab kom nws muaj kev ruaj khov nyob rau hauv huab ib puag ncig xws li sib sib zog nqus - hiav txwv siab, kub siab, thiab muaj zog hluav taws xob. Qhov no ua rau cov pob zeb diamond transducers kom tau raws li qhov siab - qhov yuav tsum tau muaj tseeb xws li kev tshawb nrhiav tob - hiav txwv, thiab muaj txiaj ntsig tseem ceeb ntawm kev ua tub rog thiab kev tshawb fawb.

 

High fidelity audio:

• Hauv kev ua suab nrov, cov lus teb zaus ntawm pob zeb diamond tweeters tau mus txog 60 kHz, tshaj qhov ntau ntawm tib neeg lub rooj sib hais. Qhov no tso cai rau pob zeb diamond siv rau hauv siab - zaus hais lus, muab lub suab meej dua thiab muaj tseeb dua. Kev ua haujlwm siab ntawm pob zeb diamond horn diaphragm zoo heev txhim kho kev ncaj ncees ntawm lub suab zoo, muab kev txhawb nqa kev txhawb nqa rau cov khoom siv suab nrov.

 

 

Qhov tsis tshua muaj siab hardness thiab tshuaj ruaj khov ntawm pob zeb diamond ua rau nws muaj txiaj ntsig zoo hauv kev ua haujlwm precision thiab kev siv nyob rau hauv huab cua. Raws li "tus huab tais ntawm cov ntaub ntawv", pob zeb diamond plays lub luag haujlwm tseem ceeb hauv siab -kawg txiav cov cuab yeej, ultra precision machining thiab lwm yam. Txawm li cas los xij, qhov nyuaj toughness ntawm pob zeb diamond txwv nws daim ntawv thov nyob rau hauv complex kev nyuaj siab ib puag ncig.

Ultra precision machining:

• Nyob rau hauv ultra precision machining, pob zeb diamond, raws li CVD ib qho khoom siv siv lead ua, tuaj yeem tsim cov flatness thiab sharpness. Nws lub ntsej muag ultra du thiab tsis muaj qhov tsis zoo txiav ua rau daim iav zoo li qhov chaw roughness thaum lub sijhawm machining, uas yog qhov tseem ceeb rau kev lag luam xws li microelectronics manufacturing thiab nanotechnology.

 

Pob zeb diamond sib xyaw cov ntaub ntawv:

• Pab neeg tshawb fawb ntawm Jilin University tau ua tiav kev txhim kho lub zog ntawm cov khoom siv pob zeb diamond sib xyaw los ntawm kev tsim lub tswv yim ntawm "biomimetic curvature induction". Kev tawg ntawm cov thev naus laus zis no ua rau cov khoom siv pob zeb diamond sib xyaw ua kom pom cov khoom siv zoo tshaj plaws nyob rau hauv qhov kub thiab txias ib puag ncig, nrog Vickers hardness ntawm 169 GPa thiab qhov nce ntawm pob zeb toughness ntawm ntau tshaj 100%, ntxiv unleashing lub peev xwm ntawm pob zeb diamond nyob rau hauv siab - zog mechanical applications.

 

 

 

Pob zeb diamond muaj cov khoom siv hluav taws xob tshwj xeeb, nrog qhov dav dav txog li 5.5 eV, qhov kev tiv thaiv ntawm 1 × 10 ¹Ω·m, thiab dielectric tas li ntawm 5.5. Cov yam ntxwv no ua rau pob zeb diamond yog ib qho khoom siv zoo tshaj plaws hauv qhov chaw muaj hluav taws xob hnyav heev.

Daim ntawv thov ntawm pob zeb diamond nyob rau hauv lub semiconductor teb yog sai heev, thiab CVD pob zeb diamond yog lub npe hu ua "qhov kawg semiconductor" cov khoom vim nws cov thermal conductivity, tsawg zog noj, thiab siab zaus zoo.

 

Cov khoom siv hluav taws xob ntau zaus:

• Kev siv pob zeb diamond ua cov khoom siv semiconductor hauv siab - lub zog thiab siab - cov khoom siv hluav taws xob zaus tau dhau los ua kev tshawb fawb hotspot thoob ntiaj teb. Cov pab pawg tshawb fawb los ntawm ntau lub teb chaws tau nrawm rau kev txhim kho CVD cov ntawv thov pob zeb diamond hauv thaj chaw semiconductor, thiab nws yuav tsum tuav txoj haujlwm tseem ceeb hauv siab - cov khoom siv hluav taws xob ua tau zoo yav tom ntej.

Kev siv quantum technology:

• Qhov tsis xws luag ntawm nitrogen vacancy defects (NV centers) nyob rau hauv pob zeb diamond muab cov ntaub ntawv zoo tagnrho rau quantum xam thiab quantum kev sib txuas lus. Ultra wide bandgap ntawm pob zeb diamond qhia tau hais tias muaj peev xwm loj hauv kev npaj ntawm quantum khoom thiab kev siv quantum networks. Ntau tshaj 200 lub koom haum kev kawm thoob ntiaj teb tau mob siab rau kev tshawb fawb ntawm pob zeb diamond quantum thev naus laus zis, tshwj xeeb hauv kev siv quantum bits, quantum sensors, thiab quantum kev sib txuas lus.

 

thaum kawg

Pob zeb diamond tsis yog tsuas yog ib tug thawj coj nyob rau hauv lub tshav kub dissipation, tab sis kuj muaj peev xwm loj heev rau kev siv nyob rau hauv ntau yam teb xws li optics, acoustics, mechanics, thiab semiconductors. Nrog rau kev nce qib ntawm kev siv thev naus laus zis tas li, pob zeb diamond txoj haujlwm ua "tus huab tais ntawm cov ntaub ntawv" yuav nce ntxiv thiab dhau los ua cov khoom tseem ceeb rau kev txhim kho thev naus laus zis yav tom ntej. Los ntawm quantum xam mus rau qhov tob- kev tshawb nrhiav dej hiav txwv, ntau daim ntawv thov ntawm pob zeb diamond yuav coj txoj hauv kev tshiab uas tsis tau muaj dua los rau ntau qhov kev lag luam thiab ua rau muaj kev hloov pauv tshiab ntawm thev naus laus zis.

 

Pob zeb diamond muaj ntau yam kev siv. Cov cuab yeej pob zeb diamond tsim los ntawm peb lub tuam txhab feem ntau yog siv rau kev ua pob zeb, kev tsim vaj tsev, kev ua haujlwm hauv nroog, lub tsev demolition, thiab precision machining.