Lanthanum Hexaboride
Lanthanum Hexaboride
| Itumọ | Lanthanum Boride |
| CASno. | 12008-21-8 |
| Ilana kemikali | LaB6 |
| Iwọn Molar | 203.78g/mol |
| Ifarahan | intense eleyi ti aro |
| iwuwo | 4.72g/cm3 |
| Ojuami yo | 2,210°C(4,010°F; 2,480K) |
| Solubility ninu omi | inoluble |
| Iwa mimọ to gajuLanthanum HexaborideSipesifikesonu |
| 50nm 100nm 500nm 1μm 5μm 8μm1 2μm 18μm 25μm |
| KiniLanthanum Hexaboridelo fun? Lanthanum Boriden gba awọn ohun elo jakejado, eyiti o waye ni aṣeyọri si eto radar ni aaye afẹfẹ, ile-iṣẹ itanna, irinse, irin ohun elo ile, aabo ayika ati bii ogun ologun ati ile-iṣẹ imọ-ẹrọ giga. LaB6n gba ọpọlọpọ awọn ipawo ni ile-iṣẹ elekitironi, eyiti o ni ohun-ini itujade aaye to dara julọ ju tungsten (W) ati awọn ohun elo miiran. O ti wa ni bojumu ohun elo fun ga agbara itanna itujade cathode. O ṣe ipa kan ni iduroṣinṣin to gaju ati tan ina elekitironi igbesi aye giga, fun apẹẹrẹ fifin itanna tan ina elekitironi, orisun ooru itanna, itanna ina alurinmorin ibon. Monocrystal lanthanum boride jẹ ohun elo cathode ti o dara julọ fun tube agbara giga, ẹrọ iṣakoso oofa, itanna elekitironi ati imuyara. Lanthanum Hexaborideawọn ẹwẹ titobi ni a lo bi okuta momọ kan tabi bi ibora lori awọn cathodes gbona. Awọn ẹrọ ati awọn ilana ninu eyiti a ti lo awọn cathodes hexaboride pẹlu awọn microscopes elekitironi, awọn tubes makirowefu, lithography elekitironi, alurinmorin tan ina elekitironi, awọn tubes X-ray, ati awọn laser elekitironi ọfẹ. LaB6tun lo bi iwọn/idiwọn igara ni X-ray lulú diffraction lati calibrate broadening irinse ti diffraction ga ju. LaB6ni a thermo itanna emitter ati superconductor pẹlu kan jo kekere orilede |
