Paura Pōroni
| Pōroni | |
| Āhua | Pango-parauri |
| Wāhanga i STP | Totoka |
| Te pūwāhi rewa | 2349 K (2076 °C, 3769 °F) |
| Te pūwāhi koropupū | 4200 K (3927 °C, 7101 °F) |
| Te mātotorutanga ina wai (i mp) | 2.08 karamu/cm3 |
| Te wera o te hanumitanga | 50.2 kJ/mol |
| Te wera o te mimiti | 508 kJ/mol |
| Te kaha o te wera molar | 11.087 J/(mol·K) |
Whakatakotoranga Pakihi mō te Paura Boron
| Ingoa Hua | Waenga Matū | Rahi Matūriki Toharite | Āhua | ||||||
| Paura Pōroni | Nano Pūrotu ≥99.9% | Te Hāora Katoa ≤100ppm | Katote Kotara(Fe/Zn/Al/Cu/Mg/Cr/Ni) / | D50 50~80nm | Paura pango | ||||
| Paura Pōroni Karaihe | Karaihe Pōroni ≥99% | Mg≤3% | Fe≤0.12% | Al≤1% | Ca≤0.08% | Si ≤0.05% | Cu ≤0.001% | -300 mata | Paura parauri mārama ki te hina pouri |
| Paura Poroni Huānga Koreāhua | Pūrore Kore-Karaihe ≥95% | Mg≤3% | Boron Wairewa-Wai ≤0.6% | Mea kore-wairewa ≤0.5% | Wai me te Matū Whakarerekē ≤0.45% | Rahi paerewa 1 micron, e wātea ana ētahi atu rahi mēnā ka tonoa. | Paura parauri mārama ki te hina pouri | ||
Mōkihi: Pēke Pepa Konumohe
Penapena: Tiakina i raro i ngā tikanga whakamaroke hiri, ā, rongoatia motuhake mai i ētahi atu matū.
He aha ngā whakamahinga motuhake o te Crystalline Boron?
I. Te Ahumahi Karihi
-Hei rauemi whakahaere tauhohenga niutron i roto i ngā tauhohenga karihi hei whakahaere i te tere o te niutron me te pupuri i te mahi pumau o te tauhohenga.
-Ka whakamahi i te kaha mimiti niutron tino pai o te boron tioata hei whakaiti, hei whakatika rānei i te rerenga niutron, kia mau ai te haumaru o ngā pūnaha pūngao karihi.
II. Ngā Whakamahinga Ā-Haumaru
-P-momo Tāpiri
Hei huānga Rōpū III, ka whakauruhia e te boron tioata ngā taumata kaiwhiwhi ki roto i te silicon, ā, ka mahi hei tāpiri matua mō te hanga i ngā semiconductors momo-P. Mā roto i ngā tukanga whakauru katote, i ngā tukanga horapa rānei, mā te whakahaere tika i te kukū tāpiri ka taea te hanganga o ngā puna momo-P, o ngā papa rānei i roto i ngā taputapu tae atu ki ngā diode, ngā transistors pānga-marae (FET), me ngā transistors bipolar kuaha-whakamarumaru (IGBT).
-Te Whakarite i te Hiraka Monocrystalline Momo-P
I te wā e tipu ana te silicon monocrystalline mā te tikanga Czochralski (CZ) me te tikanga Float Zone (FZ) rānei, ka tāpirihia he iti noa iho o te boron crystalline parakore ki te rewa silicon polycrystalline parakore. Mā te whakamahi i te pānga wehewehe o te boron i roto i te silicon, ka whiwhihia he tioata takitahi silicon momo-P me te ātete ka taea te whakahaere. Ko aua tioata takitahi he rauemi papa taketake mō ngā taputapu motuhake, ngā ara iahiko whakauru anarau, me ngā taputapu semiconductor hiko.
-Rauemi Pūtake mō ngā Tioata Takitahi Silicon kua pania ki te Boron
Hei pūtake boron parakore, ka taea te whakamahi i te boron tioata hei whakaputa tioata takitahi silicon me ngā kukū boron kua tohua mā te whakakotahitanga rewa. Ki te whakatauritea ki ētahi atu pūtake boron (hei tauira, borane, boron tribromide), ka tukuna e te boron tioata he pumau parakore me te ōritetanga o te whakakotahitanga, e pai ai mō ngā whakaritenga papa ritenga i roto i ngā taputapu semiconductor mahi-teitei pēnei i ngā pūoko me ngā maramara hiko ngaohiko-teitei.
-Ngā Whakaritenga Parakore
Hei whakarite i ngā kōtaha tāpiringa tika me te hua teitei o te taputapu, me tutuki te boron tioata ki te parakore o te taumata semiconductor (te tikanga ≥99.9999%, arā, 6N, teitei ake rānei). Me whakahaere ngā poke whakarewa (hei tauira, Fe, Cu, Na) i te taumata ppb, me ngā herenga pakari ki ngā poke huānga māmā pērā i te waro me te hāora. Pērā i ngā tāpiringa momo-N tae atu ki te phosphorus, te antimony, me te arsenic, me whakahaere te boron tioata me tōna taiao whakapā ki te silicon i raro i ngā āhuatanga tino ma.
III. Ngā Tirohanga Mata
-Ka whakamahi i ōna āhuatanga whatu kore-raina tino pai hei whakatutuki i ngā mahi tae atu ki te whakarerekētanga mārama, te horapa auau, me te whakarea auau.
-E whakamahia ana i roto i te hanga i ngā taputapu whatu pēnei i ngā whakarerekētanga whatu, ngā heru auau whatu, me ngā taiaho.
-Hei reo whakanui mō ngā taiaho whero-whero, he nui te wāhanga whakawhiti tukunga me te whānuitanga o ngā hihi whakaohooho.
IV. Ngā Rauemi Tino-Pākeke
-E whakamahia ana i roto i te hanga opūhā boron (B₄C), he rauemi uku tino mārō, he ātete pai ki te kakahu me te pumau ki te pāmahana teitei, e whakamahia whānuitia ana i roto i ngā koti ārai matā, ngā taputapu mārō, ngā mea whakakoi, me ngā uku ātete-kakahu.
-E whakamahia ana i roto i te hanga ongā pūhui boron karāpeti (B₉), he rite te hanganga ki te karāpeti, he kawe hiko teitei, he pumau hoki te pāmahana, e tika ana mō ngā here kawe hiko mahi-teitei, ngā rauemi whakahaere wera, me ngā rauemi waku.
V. Te Ope Taua me te Rererangi
-Ngā rauemi uku boron tino parakore, ātete-porotiki
-Ngā aukati boron parakore-teitei
-Ngā kaihoko whakarewa boron tino parakore
-Ngā mea pahū boron parakore-teitei
-Ngā pūwero rōkete whai rawa i te wahie boron/kore hāora, he tino parakore
VI. Ngā Koranu me te Whakarewatanga
-Ngā koranu boron-parahi tino parakore
-Ngā koranu boron-titanium tino parakore
-Taimahana polycrystalline kua pania ki te boron parakore teitei
-Ngā taputapu boron tino pakari, ātete ki te mau
-Ngā pereti maitai ātete-waikura boron tino parakore
-Ngā koranu boron-nickel tino parakore
-Ngā koranu boron-chromium tino parakore
-Ngā koranu lithium-boron (mō ngā rauemi pākahiko o te whakatupuranga e whai ake nei)
-Ngā koranu whakahaere nui o te boron-confuse
VII. Ngā Paninga Mata (Nanopaura Rauemi)
-Ka whakatakotoria ngā rauemi paura paninga nano boron tino parakore ki runga i ngā mata o te papa mā te pupuhi, ka hoatu ngā āhuatanga e whai ake nei ki ngā wāhanga:
Ātete mau
Ātete ki te waikura
Ātete pāmahana teitei
Ātete ki te waikura
Ātete ki te koroheketanga
-Ka tutuki i ngā whakaritenga whakahaere tino nui o ngā miihini rererangi me ētahi atu taiao uaua (hei tauira, ngā āhuatanga optoelectronic, aukume).
He aha ngā whakamahinga noa o te Amorphous Boron?
I. Ngā Wahie me ngā Pūngao-Tiketike
1. Ngā Pūwero Rōkete Totoka:Whakamahia hei tāpiri pūngao-nui hei whakanui ake i te tere tahunga me te hihiri motuhake, e tika ana mō ngā pere rauhanga me ngā pūnaha whakakaha rererangi.
2. Ngā Wahie Pūngao-Tiketike mō ngā Rōkete me ngā Pere:Whakamahia ana i roto i te hanga i ngā matū borane (hei tauira, te diborane, te decaborane) hei wāhanga matua o ngā wahie pūngao-nui wai, totoka rānei.
II. Ahumahi karihi
1. Ngā Rauemi Ngongo irahiko:Te whakamahi i te wāhanga whakawhiti hopu niutron wera nui o Boron-10 (¹⁰B), e whakamahia ana i roto i ngā tokotoko whakahaere tauhohenga karihi, ngā pūnaha whakaweto ohorere, me ngā paparanga tiaki niutron.
2. Ngā Kaute Irahiko:Kua pania ki ngā pakitara o roto o ngā pūoko hei kimi i te niutron wera me te tātari i te whānuitanga pūngao.
3. Te Hanganga Rino Boron:Whakamahia hei tāpiri boron ki te whakarewa i ngā maitai koranu motuhake (maitai boron) mō ngā wāhanga hanganga tauhohenga me ngā wāhanga tiaki irahiko.
III. Te Hangarau Hiko me te Hangarau Hiko
1.Whakaahua Hiko mo nga Kaipupuhi:I muri i te whakawaro i te 2300℃, ka whakamahia hei rauemi katote mō ngā matua mura me te paepae mura iti me te ātete ki te tango.
2. Ngā Rauemi Mata mō ngā Cathode Mahi-TiketikeHei hanga i te lanthanum hexaboride (LaB₆), he katote thermionic tino pumau, he roa te ora e whakamahia ana i roto i ngā karu hiko me ngā ngongo ngaruiti mana-teitei.
IV. Te Whakarewa me te Tukatuka Rauemi
1. Te Whakarewa Rino Koranu Motuhake:Mā te tāpiri i te trace boron ka tino whakapai ake i te pakari o te maitai, te kaha ki te pāmahana teitei, me te ātete ki te hihi niutron.
2. Pūwero Hau mō te Parahi Rewa:Ka tango i te hāora me ētahi atu hau rewa i te parahi rewa hei whakarei ake i te kawe hiko me te mātotoru.
3. Ngā Rauemi Whakakahangia o te Muka Boron:Whakamahia hei rauemi matua mō ngā muka boron i roto i ngā hiato rererangi me ngā taputapu hākinakina mahi teitei.
V. Ngā Whakakōkī me te Hanganga Matū
1. Ngā Whakakōkī Hanganga Oraora:Whakamahia ana i roto i ngā tauhohenga hauwai whiriwhiri, tango hauwai, me ngā tauhohenga whakaritenga anō hei whakapai ake i te hua me te whiriwhiringa.
2. Ngā Whakakōkī Ahumahi Uku:Whakatairanga i te sintering pāmahana-iti me te whakakīkī i ngā uku boride (hei tauira, TiB₂, ZrB₂).
3. Te Hanganga o ngā Matū Boron Parakore-Teitei:Whakamahia hei pūtake boron hei whakaputa waikawa boric tino parakore, te konutai borohydride, te boron nitride, me ētahi atu matū pai.
4. Te Whakarite i ngā Halides Boron Parakore-Teitei:Whakamahia hei hanga BBr₃, BCl₃, me ētahi atu, he tino parakore, hei pūtake tohatoha haurua-haurua me ngā tāpiri muka whatu.
VI. Ngā Pūnaha Haumaru Motuka
-Ngā Kaiwhakaoho Pēke Hau: Whakamahia hei wāhanga o ngā kaihoko whakaputa hau; ina tukinga, ka tere te tahu hei whakaputa hauota pēhanga teitei, ka pupuhi hoki i te pēke hau.
VII. Te Ahumahi Ahiahi me ngā Hangarau Ahiahi
-Ngā Pānga Pānga Ahi: Ka whakaputa i ngā mura kakariki me ngā korakora kanapa ina tahuna, ka whakamahia i roto i ngā ahi mura, ngā mura tohu, me ngā pere whakamārama hōia.
VIII. Ngā Mara Rongoā me ngā Mara Koiora
-Ngā Takawaenga Rongoā: Whakamahia i roto i te hanga rongoā kei roto te boron (hei tauira, te boronophenylalanine) mō te Boron Neutron Capture Therapy (BNCT), hei pūtake tāpiri rānei mō ngā rauemi patu huakita.
