
| I-Tellurium Dioxide |
| Inombolo ye-CAS 7446-7-3 |
| I-Tellurium dioxide (i-compound) luhlobo lwe-oxide ye-tellurium. Ifomyula yayo yekhemikhali yi-compound ye-TeO2. I-crystal yayo iyinxalenye yochungechunge lwekristale yesikwere. Ubunzima be-molecular: 159.61; umgubo omhlophe okanye iibhloko. |
Malunga neTellurium Dioxide
Isiphumo esiphambili sokutsha kwe-tellurium emoyeni yi-tellurium dioxide. I-Tellurium dioxide ayinakunyibilika emanzini kodwa inokusombulula ngokupheleleyo kwi-sulfuric acid exineneyo. I-Tellurium dioxide ibonisa ukungazinzi nge-asidi enamandla kunye ne-oxidant enamandla. Njengoko i-tellurium dioxide iyinto ye-amphoteric, inokusabela kwi-asidi okanye kwi-alkaline kwisisombululo.
Njengoko i-tellurium dioxide inokubangela ukukhubazeka okukhulu kwaye inetyhefu, xa ifunxwa emzimbeni, inokuvelisa ivumba (ivumba le-tellurium) elifana nevumba legalikhi ephefumlayo. Olu hlobo lwento yi-dimethyl tellurium eveliswa yi-metabolism ye-tellurium dioxide.
Iinkcukacha zeShishini zeTellurium Dioxide Powder
| Isimboli | Icandelo leKhemikhali | ||||||||
| I-TeO2≥(%) | I-Mat yangaphandle. ≤ ppm | ||||||||
| Cu | Mg | Al | Pb | Ca | Se | Ni | Mg | ||
| I-UMTD5N | 99.999 | 2 | 5 | 5 | 10 | 10 | 2 | 5 | 5 |
| I-UMTD4N | 99.99 | 2 | 5 | 5 | 10 | 10 | 5 | 5 | 8 |
Ukupakisha: 1KG/Ibhotile, okanye i-25KG/Ingxowa yeFoyile yeAluminiyam yeVacuum
Isetyenziselwa ntoni iTellurium Dioxide Powder?
I-Tellurium Dioxide (TeO₂)Umgubo yikhompawundi engaxutywanga esebenza kakhulu eyaziwa ngeempawu zayo ezikhethekileyo ze-optoelectronic, thermal, kunye nesakhiwo. Ukuguquguquka kwayo kugubungela amacandelo etekhnoloji ephucukileyo, uphando lwesayensi, kunye nemveliso yemizi-mveliso, kunye nezicelo ezibalulekileyo eziquka:
1. Izixhobo ze-Acousto-Optic
- Isebenza njengeyona nto iphambili kwiikristale ze-paratellurite single (α-TeO₂), ivumela i-ultrafast light modulation kwi:
✓ Ukulawula umqadi welaser kunye nokutshintsha rhoqo
✓ Iinkqubo zonxibelelwano lwe-optical (izihluzi ze-DWDM, ii-Q-switches)
✓ Imifanekiso ye-ultrasonic kunye ne-holography yexesha langempela
- Ibonisa umfanekiso ogqwesileyo we-acousto-optic figure of merit (M₂) kwizixhobo ezinesisombululo esiphezulu ezisebenza kwi-spectra ebonakalayo nephakathi kwe-IR.
2. Iinkqubo zeGlasi eziPhambili
- Isebenza njengeglasi enomda kwiglasi ezikhethekileyo ze-optical:
✓ Iiglasi ze-tellurite ezisebenzisa i-phonon-energy ephantsi kwii-fiber amplifiers (Er³+/Pr³+-doped) kunxibelelwano
✓ Iiglasi ezine-refractive index ephezulu yeelensi ze-infrared kunye ne-optics yombono wasebusuku
✓ Iglasi ebuthathaka kwimitha yezixhobo ze-dosimetry kunye ne-scintillation
3. Itekhnoloji yeSemiconductor
- Umphambili obalulekileyo wee-semiconductors ze-II-VI compound:
✓ Ukukhula kwekristale yeCdTe/CdZnTe kwi-X-ray/γ-ray detectors kunye neeseli zelanga
✓ Ukwenziwa kwamachaphaza e-quantum okusekelwe kwi-HgTe kwiifotodetectors ze-IR ezilungisekayo
✓ Ukuhlanganiswa kuphando lwe-topological insulator (umz., ii-heterostructures ze-Bi₂Te₃/TeO₂)
4. Iinkqubo zoGuqulo lwaMandla
- Ivumela izixhobo ze-thermoelectric ezisebenza kakuhle kakhulu:
✓ Ii-composites zeBismuth telluride (Bi₂Te₃) zePeltier coolers kwi-microelectronics
✓ Iimodyuli zokubuyisa ubushushu obungafunekiyo (ZT >1.2 kwi-300-500K)
✓ Ii-thermocouples ze-cryogenic zezixhobo zokuhlola isithuba
5. Izixhobo zePiezoelectric kunye nePyroelectric
- I-Dopant kwiikristale ze-optical ezingezizo ezithe ngqo (umz., iinkqubo ze-TeO₂-Li₂O):
✓ Izinzwa ze-surface acoustic wave (SAW) zokufumanisa igesi
✓ Izixhobo zokubona i-IR pyroelectric ezinempendulo ekhawulezileyo (<10ms)
✓ Ii-oscillator ezizinziswe rhoqo kwizikhululo zesiseko ze-5G/6G
6. Izicelo Ezivelayo
- Ukwenziwa kwezinto ze-Quantum:
✓ Itemplate yee-nanosheets ze-tellurene ze-2D kwizixhobo ze-spintronic
✓ Iarhente yeFlux ekukhuleni kwekristale ye-superconductor ephezulu ye-Tc
- Ukufakwa komphunga weekhemikhali (i-CVD):
✓ Iingubo zeTeO₂ ezibhityileyo zefilimu encinci zeefestile ezikrelekrele ze-electrochromic
✓ Iileya ze-dielectric ze-RAM ezixhasayo (ReRAM)
- Itekhnoloji yenyukliya:
✓ Ii-composites zokukhusela i-neutron (iiglasi ze-TeO₂-PbO-B₂O₃)
✓ Iimatrices zeScintillator zokufumanisa i-neutrino
Iingenelo eziphambili:
- Uluhlu olubanzi lothumelo lwe-optical (0.35–5 µm)
- Uzinzo oluphezulu lweekhemikhali kwiindawo ezine-asidi/oxidative
- I-bandgap ehlengahlengiswayo (3.7–4.2 eV) ye-optoelectronics eyenzelwe wena
Qaphela: Ifuna ukuphathwa ngendlela elawulwayo ngenxa yobuthi obuphakathi xa ikwimo yomgubo. Ukusetyenziswa kwayo kudla ngokusebenzisa uhlobo lwayo lwe-amphoteric kunye neemeko ze-oxidation ezimbini (Te⁴+/Te⁶+).
Le nto inezinto ezininzi ezisebenzayo iyaqhubeka nokwenza kubekho impumelelo kwi-photonics, amandla azinzileyo, kunye netekhnoloji ye-quantum, kunye nophando oluqhubekayo oluhlola indima yalo kwi-neuromorphic computing kunye ne-terahertz waveguides.