
| I-Tellurium Dioxide |
| Inombolo ye-CAS 7446-7-3 |
| I-Tellurium dioxide (inhlanganisela) uhlobo lwe-oxide ye-tellurium. Ifomula yayo yamakhemikhali iyinhlanganisela ye-TeO2. Ikristalu yayo ingeyochungechunge lwekristalu oluyisikwele. Isisindo sama-molecule: 159.61; impuphu emhlophe noma amabhlogo. |
Mayelana ne-Tellurium Dioxide
Umphumela oyinhloko wokusha kwe-tellurium emoyeni yi-tellurium dioxide. I-Tellurium dioxide ayikwazi ukuxazululeka emanzini kodwa ingaxazululeka ngokuphelele ku-sulfuric acid egxilile. I-Tellurium dioxide ikhombisa ukungazinzi nge-asidi enamandla kanye ne-oxidant enamandla. Njengoba i-tellurium dioxide iyinto e-amphoteric, ingasabela ku-asidi noma ku-alkaline esixazululweni.
Njengoba i-tellurium dioxide inethuba elikhulu kakhulu lokubangela ukukhubazeka futhi inobuthi, uma imuncwa emzimbeni, ingakhiqiza iphunga (iphunga le-tellurium) elifana nephunga likagalikhi emoyeni. Lolu hlobo lwento luyi-dimethyl tellurium ekhiqizwa yi-metabolism ye-tellurium dioxide.
Ukucaciswa Kwebhizinisi kwe-Tellurium Dioxide Powder
| Uphawu | Ingxenye Yamakhemikhali | ||||||||
| I-TeO2≥(%) | Umati wangaphandle. ≤ 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/Ibhodlela, noma 25KG/Isikhwama se-Aluminium Foil se-Vacuum
Isetshenziswa ngani i-Tellurium Dioxide Powder?
I-Tellurium Dioxide (TeO₂)I-Powder iyinhlanganisela engasebenzi kahle kakhulu eyaziwa ngezakhiwo zayo ezihlukile ze-optoelectronic, thermal, kanye nezakhiwo. Ukuguquguquka kwayo kuhlanganisa imikhakha yezobuchwepheshe obuthuthukisiwe, ucwaningo lwesayensi, kanye nokukhiqizwa kwezimboni, ngezinhlelo zokusebenza ezibalulekile ezifaka:
1. Izinto Zokusebenza Ze-Acousto-Optic
- Isebenza njengengxenye eyinhloko kumakristalu angawodwa e-paratellurite (α-TeO₂), okuvumela ukuguqulwa kokukhanya okusheshayo kakhulu kwe:
✓ Ukuqondisa ngomsebe we-laser kanye nokushintshashintsha kwemvamisa
✓ Izinhlelo zokuxhumana ezibonakalayo (izihlungi ze-DWDM, ama-Q-switch)
✓ Izithombe ze-Ultrasonic kanye ne-holography yesikhathi sangempela
- Ibonisa isithombe esihle kakhulu se-acousto-optic figure of merit (M₂) samadivayisi anesinqumo esiphezulu asebenza kuma-spectra abonakalayo naphakathi kwe-IR.
2. Izinhlelo Zengilazi Ezithuthukisiwe
- Isebenza njengengilazi enemibandela eyakhiwe ezingilazini ezikhethekile ze-optical:
✓ Izibuko ze-tellurite ezisebenzisa i-phonon-energy ephansi zama-fibre amplifiers (Er³+/Pr³+-doped) kwezokuxhumana
✓ Izibuko ezine-refractive index ephezulu zamalensi e-infrared kanye nama-optics okubukwa ebusuku
✓ Ingilazi ezwela imisebe yezinto zokulinganisa kanye ne-scintillation
3. Ubuchwepheshe be-semiconductor
- Isandulela esibalulekile sama-semiconductor e-II-VI compound:
✓ Ukukhula kwekristalu ye-CdTe/CdZnTe yama-X-ray detectors namaseli elanga
✓ Ukuhlanganiswa kwamachashazi e-quantum okusekelwe ku-HgTe kwama-photodetector e-IR alungisekayo
✓ Ukuhlanganiswa ocwaningweni lwe-topological insulator (isb., i-Bi₂Te₃/TeO₂ heterostructures)
4. Izinhlelo Zokuguqulwa Kwamandla
- Ivumela amadivayisi e-thermoelectric asebenza kahle kakhulu:
✓ Izinhlanganisela ze-Bismuth telluride (Bi₂Te₃) zama-Peltier cooler kuma-microelectronics
✓ Amamojula okubuyisa ukushisa okulahliwe (ZT >1.2 ku-300-500K)
✓ Ama-thermocouple e-cryogenic emishini yokuhlola isikhala
5. Amadivayisi e-Piezoelectric kanye ne-Pyroelectric
- I-Dopant kumakristalu okukhanya angewona umugqa (isb., izinhlelo ze-TeO₂-Li₂O):
✓ Izinzwa zegagasi elingaphezulu le-acoustic wave (SAW) zokuthola igesi
✓ Izitholi ze-IR pyroelectric ezinempendulo esheshayo (<10ms)
✓ Ama-oscillator azinzile imvamisa eziteshini eziyisisekelo ze-5G/6G
6. Izicelo Ezisafufusa
- Ukuhlanganiswa kwezinto ze-Quantum:
✓ Isifanekiso sama-nanosheet e-tellurene e-2D kumadivayisi e-spintronic
✓ I-ejenti ye-Flux ekukhuleni kwekristalu ye-superconductor ephezulu ye-Tc
- Ukufakwa komphunga wamakhemikhali (i-CVD):
✓ Izembozo ze-TeO₂ zefilimu encane zamafasitela ahlakaniphile e-electrochromic
✓ Izendlalelo ze-dielectric ze-Resistive RAM (ReRAM)
- Ubuchwepheshe benyukliya:
✓ Izinhlanganisela zokuvikela i-neutron (izibuko ze-TeO₂-PbO-B₂O₃)
✓ Ama-matrices e-Scintillator okuthola i-neutrino
Izinzuzo Eziyinhloko:
- Ibanga elibanzi lokudlulisa ukukhanya (0.35–5 µm)
- Ukuqina okuphezulu kwamakhemikhali ezindaweni ezine-acidity/oxidative
- Igebe le-bandgap elilungisekayo (3.7–4.2 eV) lama-optoelectronics aklanyelwe wena
Qaphela: Kudinga ukuphathwa okulawulwayo ngenxa yobuthi obumaphakathi ngesimo sempuphu. Ukusetshenziswa kuvame ukusebenzisa uhlobo lwayo lwe-amphoteric kanye nezimo ezimbili ze-oxidation (Te⁴+/Te⁶+).
Le nto enezinto eziningi ezisebenzayo iyaqhubeka nokwenza kube nokwenzeka ukuthuthuka kwezobuchwepheshe be-photonics, amandla azinzile, kanye nobuchwepheshe be-quantum, ngocwaningo oluqhubekayo oluhlola indima yalo kuma-neuromorphic computing kanye nama-terahertz waveguides.