I-China Supplier Cerium Hexaboride Powder CAS 12008-02-5 CeB6 Powder Price Cerium Boride

Incazelo emfushane:

Igama lomkhiqizo: Cerium Hexaboride
Inombolo ye-CAS: 12008-02-5
Ukhozi FM: CeB6
Email: Cathy@shxlchem.com


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Ulwazi olufushane:

Izici zeI-Cerium Boride:

Impahla: I-Cerium hexaborate (i-CeB6, eyaziwa nangokuthi i-cerium borate, i-CeBix, i-CEBIX, kwesinye isikhathi ebhalwe ngokuthi i-CeB) iyinhlanganisela ye-inorganic. I-Cerium hexaborate (CeB6) inesakhiwo se-CsCl (esohlelo lwe-cubic crystal olulula, olunezimbulunga ezinkulu ezimele isici se-Ce). Umehluko ukuthi amaqoqo e-octahedral e-B6 athatha indawo ye-Cl, kuyilapho u-Ce ethatha isikhundla sika-Cs.

Kuyimpahla ye-ceramic ephikisayo enomsebenzi ophansi womsebenzi, okuyenza ibe enye yezinto ezaziwayo ze-cathode ezinokukhishwa okuphezulu kwe-electron, futhi futhi izinzile kakhulu ku-vacuum. Izinga lokushisa elijwayelekile le-cerium hexaborate lingu-1450 ° C. I-cerium hexaborate, njenge-lanthanum hexaborate, izohwamuka kancane ngesikhathi sokusebenza kwe-cathode.

I-CeB6 cathode ingagcina isimo sayo esihle isikhathi eside ekushiseni okusebenzayo okungu-1850 K, okuholela ekuphileni okude. Khonamanjalo, ngenxa yokuthi izinga lokuhwamuka kwalo lihamba kancane ngo-30% kunalelo le-lanthanum borate, ukumbozwa kwe-cathode eshisayo ye-cerium borate nakho kunzima kakhulu ukukususa kune-lanthanum borate.

 

Idatha yezobuchwepheshe ye-Cerium Boride:

Into Umphumela wokuhlola %
B 31.6
Ce 67.9
Si 0.0004
Mg 0.0001
Mn 0.0001
Fe 0.01
Ca 0.003
Cu 0.0002
Cr 0.0001

 

 

Ukusetshenziswa kwe-Cerium Boride:

I-Cerium boride isetshenziswa ngokuyinhloko njengendlela yokumboza ama-cathodes ashisayo, noma ama-cathodes ashisayo akhiwa ngokuqondile ngamakristalu e-cerium hexaborate. I-Cerium hexaboride (CeB6) kanye ne-lanthanum hexaboride (LaB6) zivame ukusetshenziswa njengezingubo zamanje ze-cathode eziphezulu. I-Hexaborides inomsebenzi ophansi womsebenzi, cishe u-2.5 eV, futhi inokubekezelela okuthile ekungcoleni kwe-cathode. I-Cerium boride cathode inezinga eliphansi lokuhwamuka kune-lanthanum boride ku-1700 K, kodwa ishintshashintsha ku-1850 K futhi ibe nezinga eliphezulu lokuhwamuka ngaphezu kwalelo zinga lokushisa.

I-Cerium boride cathode ine-50% yokuphila isikhathi eside kune-lanthanum boride ngenxa yokumelana kwayo okuphezulu nokungcoliswa kwekhabhoni. Ukukhanya kwe-boride cathode kuphindwe kashumi kune-tungsten cathode, futhi impilo yayo iphindwe izikhathi ezingu-10-15 kune-tungsten cathode. Okunye ukuhlola kwaselabhorethri kubonise ukuthi i-CeB6 ibekezelela kakhulu imiphumela emibi yokungcoliswa komoya kune-LaB6. Avame ukusetshenziswa emikhakheni enjengama-electron microscopes, amashubhu e-microwave, i-electron beam etching, i-electron beam welding, amashubhu e-X-ray, nama-electron lasers amahhala.

I-Cerium hexaboride (CeB6) iyimpahla ye-cathode ene-electron emissivity ephezulu kakhulu ngenxa yomsebenzi wayo ophansi. Imelana kakhulu nokungcoliswa kwekhabhoni futhi iphila isikhathi eside kune-lanthanum borate cathodes. Isetshenziswa kabanzi emikhakheni efana ne-electron microscopy, amashubhu e-microwave, i-electron beam etching, i-electron beam welding, amashubhu e-X-ray, namalaser e-electron amahhala. Amakristalu e-Cerium hexaborate asetshenziswe ngempumelelo kuma-electron microscopes wokuskena ideskithophu, abe izinto ezinhle kakhulu nezizinzile zefilament.

 


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