Oriented growing and anisotropy of the emissive properties of lanthanum hexaboride single crystals

Journal Article · Sat Aug 01 04:00:00 EDT 1987 · Sov. Powder Metall. Met. Ceram. (Engl. Transl.); (United States)

DOI:https://doi.org/10.1007/BF00797023· OSTI ID:5356070

Lazorenko, V I; Lotsko, D V; Platonov, V F; Kovalev, A V; Galasun, A P; Matvienko, A A; Klinkov, A E

This article examines those parameters of the zone melting process and resulting grain orientation of lanthanum hexaboride monocrystals which directly influence their electron and thermionic emission for the purpose of using the crystals as electron gun cathodes in thermionic emitters.

• OSTI ID: 5356070
• Journal Information: Sov. Powder Metall. Met. Ceram. (Engl. Transl.); (United States), Journal Name: Sov. Powder Metall. Met. Ceram. (Engl. Transl.); (United States) Vol. 26:3(291); ISSN SPMCA
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360202* -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
360204 -- Ceramics
Cermets
& Refractories-- Physical Properties
BORIDES
BORON COMPOUNDS
CATHODES
CRYSTAL GROWTH
CRYSTAL STRUCTURE
CRYSTALLOGRAPHY
CRYSTALS
ELECTRODES
ELECTRON EMISSION
ELECTRON GUNS
EMISSION
FUNCTIONS
GRAIN ORIENTATION
LANTHANUM BORIDES
LANTHANUM COMPOUNDS
MATERIALS TESTING
MELTING
MICROSTRUCTURE
MONOCRYSTALS
ORIENTATION
PHASE TRANSFORMATIONS
RARE EARTH COMPOUNDS
TEMPERATURE DEPENDENCE
TESTING
THERMIONIC EMISSION
THERMIONIC EMITTERS
WORK FUNCTIONS
ZONE MELTING