ILanthanum Hexaboride Lab6 Powder

Incazelo emfushane:

Igama lomkhiqizo lanthanum hexaboride
I-CAS Inombolo 12008-21-8
Ifomula yefolemular formula lanthanum hexaboride ushevu
Isisindo molecular 203.77
Ukubukeka okumhlophe okumhlophe / amagremu
Density 2.61 g / ml ku-25c
Iphuzu elincibilikayo 2530c
Ubuningi obuningi esitokweni ngokulethwa okusheshayo


Imininingwane Yomkhiqizo

Amathegi Omkhiqizo

Imininingwane emfushane:

ILanthanum HexaboouteIngabe i-Inorganic Non-Metallic Compound eyakhiwa i-valence boron ephansi kanye ne-rare metal element lanthanum, enosakhiwo esikhethekile se-crystal kanye nezimpawu eziyisisekelo zama-borides. Ngokombono wezinto ezibonakalayo, uLanthanum Hexabooture Lab6 ungowase-Metal Refractory Compact ngesakhiwo se-Crystal yensimbi. Inezakhiwo ezinhle kakhulu ezinjengobulukhuni obuphezulu, ukuqhutshwa okuphezulu, indawo ephezulu yokuncibilika, i-coefficied ephansi yokwanda okushisayo, nokuqina okuhle kwamakhemikhali. Ngasikhathi sinye, uLanthanum Hexabondi akhipha ubuningi obuphezulu wamanje kanye nezinga eliphansi lokuhwamuka emazingeni okushisa aphezulu, futhi unokumelana okuqinile ku-ion bombisardiment, inkambu eqinile kagesi kanye nemisebe. Kusetshenziswe ezintweni zokwenziwa ze-cathode, ama-microscopy microscopy, izicelo ze-weltron belding ezinsimu ezidinga imijikelezo ephezulu yokuphuma, njengamashubhu okulahlwa.

 ILanthanum HexaboouteInezakhiwo ezizinzile zamakhemikhali futhi ayiphenduli ngamanzi, umoya-mpilo, noma i-hydrochloric acid; Emazingeni okushisa ekamelo, kuphendula kuphela nge-nitric acid ne-aqua regia; I-Oxidation yenzeka kuphela ngo-600-700 ℃ esimweni se-aerobic. Ngomoya we-vacuum, izinto ze-lab6 zithambekele ekuphenduleni nezinye izinto noma amagesi ukwakha izinto eziphansi ezincibilikayo; Emazingeni okushisa aphezulu, izinto ezakhekayo zizoqhubeka zihwamuka, ziveze indawo ephansi yokuphunyuka ye-lanthanum hexabate crystal ekrikhini kuya endaweni yokuphuma, lapho enikeza uLanthanum wahlekisa ikhono lobuthi amahle kakhulu elwa nobuthi.

Le khasiILanthanum HexaboouteUCathode unezinga eliphansi lokuhwamuka kanye nempilo yenkonzo ende emazingeni okushisa aphezulu. Lapho kufuthelwa emazingeni okushisa aphezulu, ama-athomu e-lanthanum e-sural lanthanum akhiqiza izikhala ngenxa yokulahleka komhwamuko, ngenkathi ama-athomu e-lanthanum yangaphakathi ye-lanthanum futhi esebenzisa ukungeza izikhala zomsebenzi, ukugcina ukwakheka kwe-boron uhlaka kungashintshiwe. Le mpahla inciphisa ukulahleka kokuhwamuka kwe-lab6 cathode yeLab6 futhi igcina indawo esebenzayo ye-cathode ngasikhathi sinye. Esikhathini esifanayo sokuphuma kwamanje, izinga lokuhwamuka kwezinto zokuhwamuka zeLab6 amazinga okushisa aphezulu liphansi kunalezo zinto ezijwayelekile zeKathode, futhi izinga lokuhwamuka okuphansi liyisici esibalulekile sokwelula impilo yenkonzo yeCathode.

Igama lomkhiqizo Lanthanum hexaboride
Inombolo ye-CAS 12008-21-8
Ifomula yamangqamuzana I-Lanthanum Hexaboride Enobuthi
Isisindo molecular 203.77
Ukubonakala I-White Powder / Granules
Incekusana 2.61 g / ml ku-25c
Iphuzu elincibilikayo I-2530c
MF ILab6
Ukuphuma njalo 29a / cm2 · k2
Ukukhishwa kwamanje kwabantu 29acm-2
Ukumelana Nekamelo Lokushisa 15 ~ 27μμqa
Izinga lokushisa le-oxidation I-600 ℃
Ifomu le-crystal uhlobo lwemoto
lattice njalo 4.157a
Umsebenzi Wokusebenza I-2.66EV
Ukunwebeka okwenziwe nge-thermal 4.9 × 10-6K-1
Ubulukhuni be-Vickers (HV) 27.7gpa
Phawula Xinglu

Isicelo:

1. I-Lanthanum Hexabung Lab6 Tathode Material

Ukukhishwa okuphezulu kwamanje kwabantu kanye nezinga eliphansi lokuhwamuka kwamazinga okushisa aphezulu weLab6 lanthanum hexabozateKwenze kube yinto ebonakalayo enokusebenza okuphezulu, kancane kancane esikhundleni esithile ama-tathsten cathodes kuzicelo zezimboni. Njengamanje, izindawo eziphambili zezicelo zezinto zokwenziwa kwe-lab6 ze-cathode ngeLanthanum Hexabooute zimi ngokulandelayo:

1 Kulezi zimboni zobuchwepheshe obusezingeni eliphakeme, isidingo sezinto ze-cathode ezinamazinga okushisa aphansi, ukufana okufana kakhulu, nobukhulu obuphakeme bokuphuma, kanye nesikhathi eside sokuphila bekulokhu kuqinile.

1 Kodwa-ke, imishini yendabuko ikakhulukazi isebenzisa ama-talten tathode (anomsebenzi wokuphunyuka okuphezulu kanye nobukhulu obusezingeni eliphansi bokuphuma) obungeke buhlangabezane nezidingo zohlelo lokusebenza. Ngakho-ke, ama-Lab6 Cathodes athathe indawo yakwaTungsten Cathode ngokusebenza kwawo okuphezulu futhi asetshenziswe kabanzi embonini ye-Welding ye-Electron.

1.3In imboni yezezinsimbi zobuchwepheshe obuphakeme bokuhlola,ILab6UCathode ubeka ukukhanya kwawo okuphezulu, isikhathi sokuphila isikhathi eside nezinye izici ukuthi athathe isikhundla sezinto ze-cathode zendabuko ezinjenge-tungsten emithanjeni kagesi efana nemithi ye-elektroni, ama-auger spectrometers, kanye nezinketho ze-elektroni.

1.4IN Imboni ye-accelerator, i-lab6 inokuqina okuphezulu ngokumelene nokuqhuma kwe-ion kuqhathaniswa neTungsten yendabuko neTantalum. Ngenxa yalokho,ILab6Ama-Cathode asetshenziswa kabanzi kuma-accelerator anezakhiwo ezahlukahlukene ezinjenge-synchrotron kanye ne-cyclotron accelerators.

1.5AILab6ICHODE ingasetshenziswa kumashubhu okukhipha igesi, amashubhu we-laser, kanye nama-amplifiers wohlobo lwama-magnetron embonini ye-1.5 yokukhipha.

2.

2.1 I-Electron ENICRIMENT CHORDICE. Ngenxa yomsebenzi ophansi wokuphunyuka kwe-elekthronth, izinto ze-cathode ezinamanzi aphezulu kakhulu okuphuma kwamazinga okushisa aphakathi nendawo, ikakhulukazi amakristalu aphezulu aphezulu aphezulu, okuyizinto ezilungele izinsiza ze-cathode e-Electron Enction ephezulu.

2.2 Umthombo wokukhanya okukhanyayo okuphezulu. Izakhi ezibalulekile ezisetshenziselwa ukulungiselela ama-microscopes we-elektroni, njengezihlungi ze-optical, i-X-ray diffraction monochromators, neminye imithombo ekhanyayo ye-elektroni.

2.3 Ukuqina okuphezulu nezakhi zesistimu yokuphila ephezulu. Ukusebenza kwayo okuhle kakhulu kwenza uhlelo lokusebenza ku-application yalo ku-Electron Beam Systems, njenge-Electron Beam Entergraving, i-Electron Beam Helding Guns, ama-accelerator, ukukhiqizwa kwezinto ezisebenza kahle emikhakheni yobunjiniyela.

Ukucaciswa:

Into yendaba Ukucacisa Imiphumela yokuhlola
La (%, min) I-68.0 I-68.45
B (%, min) 31.0 31.15
lanthanum hexaborideUbuthi / (Trem + B) (%, min) 99.99 99.99
I-TREM + B (%, MIN) 99.0 99.7
Ukungcola (i-PPM / TREO, MAX)
Ce   I-3.5
Pr   1.0
Nd   1.0
Sm   1.0
Eu   1.3
Gd   I-2.0
Tb   0.2
Dy   0.5
Ho   0.5
Er   1.5
Tm   1.0
Yb   1.0
Lu   1.0
Y   1.0
Ukungcola okungekuhle (ppm, max)
Fe   300.0
Ca   78.0
Si   64.0
Mg   I-
Cu   I-2.0
Cr   I-5
Mn   I-5
C   230.0
Ubukhulu bezinhlayiyana (μ m)  Ama-nanometers- 360 Mesh- 500 Mesh; Kwenziwe ngokwezifiso zeKhasimende
Phawula  Xinglu

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