Barium titanate ntabwo ari igicuruzwa cyiza cya shimi gusa, ahubwo cyanabaye kimwe mubikoresho byingenzi byingirakamaro mu nganda za elegitoroniki. Muri sisitemu ya BaO-TiO2, usibye BaTiO3, hari ibice byinshi nka Ba2TiO4, BaTi2O5, BaTi3O7 na BaTi4O9 hamwe na barium-titanium itandukanye. Muri byo, BaTiO3 ifite agaciro gakomeye cyane, kandi izina ryayo ryimiti ni barium metatitanate, izwi kandi nka barium titanate.

1. Imiterere yumubiri yanano barium titanate(nano BaTiO₃)

1.1. Barium titanate ni ifu yera ifite aho ishonga igera kuri 1625 ° C hamwe nuburemere bwihariye bwa 6.0. Irashobora gushonga muri acide sulfurike yibanze, aside hydrochloric na aside hydrofluoric, ariko ntigishobora gushonga muri acide ya acide ya nitricike, amazi na alkali. Hariho ubwoko butanu bwo guhindura kristu: uburyo bwa kristu ya mpandeshatu, ifoto ya cubic kristal, uburyo bwa tetragonal kristaliste, imiterere ya kristu ya trigonal hamwe na orthorhombic kristal. Ibisanzwe cyane ni tetragonal icyiciro cya kristu. Iyo BaTiO2 ikorewe amashanyarazi menshi-yumuriro w'amashanyarazi, ingaruka zihoraho zizaba munsi ya Curie ya 120 ° C. Polarized barium titanate ifite ibintu bibiri byingenzi: ferroelectricity na piezoelectricity.

1.2. Dielectric ihoraho ni ndende cyane, ituma nano barium titanate ifite imiterere yihariye ya dielectric, kandi yabaye ibikoresho byingirakamaro hagati yibice byumuzunguruko mwinshi. Muri icyo gihe, amashanyarazi akomeye akoreshwa no kongera itangazamakuru, guhinduranya inshuro n'ibikoresho byo kubika.

1.3. Ifite piezoelectricity. Barium titanate ni ubwoko bwa perovskite kandi ifite piezoelectricity nziza. Irashobora gukoreshwa muburyo butandukanye bwo guhindura ingufu, guhindura amajwi, guhinduranya ibimenyetso no kunyeganyega, microwave hamwe na sensor zishingiye kumuzinga uhwanye na piezoelectric. ibice.

1.4. Amashanyarazi nikintu gikenewe kugirango habeho izindi ngaruka. Inkomoko ya ferroelectricity ituruka kuri polarisiyonike. Kuri ceramics, piezoelectric, pyroelectric, na fotoelectric ingaruka zose zikomoka kuri polarisiyasi iterwa na polarisiyonike ubwayo, ubushyuhe cyangwa umurima w'amashanyarazi.

1.5. Ingaruka nziza yubushyuhe bwiza. Ingaruka ya PTC irashobora gutera ferroelectric-paraelectric icyiciro cyinzibacyuho mubintu biri murwego rwa dogere icumi hejuru yubushyuhe bwa Curie, kandi ubushyuhe bwicyumba bwiyongera cyane bitewe nuburyo bwinshi bwubunini. Twifashishije iyi mikorere, ibice byubutaka byangiza ubushyuhe byateguwe hamwe nifu ya BaTiO3 nano byifashishijwe cyane mubikoresho bigenzurwa na terefone igenzurwa na porogaramu, moteri yimodoka itangiza, degausser zikoresha za tereviziyo yamabara, itangira rya compressor ya firigo, ibyuma byubushyuhe, hamwe nuburinzi bukabije, n'ibindi ..

2. Gukoresha barium titanate nano

Barium titanate ni umubiri wa gatatu mushya wavumbuwe nyuma yumubiri wumunyu wa kabiri wa potasiyumu sodium tartrate hamwe numubiri ukomeye wamashanyarazi ya calcium ya fosifate. Kuberako ari ubwoko bushya bwumubiri ukomeye wamashanyarazi udashobora gushonga mumazi kandi ukaba ufite imbaraga zo kurwanya ubushyuhe, ufite agaciro gakomeye, cyane cyane mubuhanga bwa semiconductor hamwe nikoranabuhanga rya insulation.

Kurugero, kristu yacyo ifite dielectric ihoraho hamwe nubushyuhe bwo guhinduranya ubushyuhe, kandi ikoreshwa cyane nkubunini buto, microcapacitor nini nini hamwe nibice byubushyuhe.

Ifite amashanyarazi ahamye. Irashobora gukoreshwa mugukora ibice bidafite umurongo, ibyuma byongera ingufu za dielectric hamwe nibikoresho bya mudasobwa yibikoresho bya mudasobwa (memoire), nibindi. , na ultrasonic generator.

Byongeye kandi, irashobora kandi gukoreshwa mugukora amashanyarazi ya electrostatike, inverter, thermistors, Photoresistors hamwe nibikoresho bya tekinoroji ya elegitoroniki.

Nano barium titanateni ibikoresho fatizo byibikoresho bya elegitoroniki yububiko, bizwi nkinkingi yinganda zububiko bwa elegitoroniki, kandi nimwe mubikoresho bikoreshwa cyane kandi byingenzi mububiko bwa elegitoroniki. Kugeza ubu, yakoreshejwe neza muri thermistors ya PTC, ubushobozi bwa ceramic ceramic (MLCC), ibintu bya pyroelectric, ceramics piezoelectric ceramics, sonar, ibintu byerekana imirasire yimirasire, ibikoresho bya kristu ceramic, ibyuma byerekana amashanyarazi, ibikoresho bya semiconductor, ibikoresho bya electrostatike , amplificateur ya dielectric, abahindura inshuro, kwibuka, polymer matrix compites hamwe na coatings, nibindi.

Hamwe niterambere ryinganda za elegitoroniki, ikoreshwa rya barium titanate rizaba ryinshi.

3. Nano barium titanate-Hongwu Nano

Guangzhou Hongwu Material Technology Co., Ltd. ifite isoko ryigihe kirekire kandi rihamye ryifu ya nano barium titanate nziza cyane mubice hamwe nibiciro byapiganwa. Byombi kubice na tetragonal ibyiciro birahari, hamwe nubunini bwa 50-500nm.