Eu 2+ ‐doped barium thioaluminate EL devices prepared by two‐target pulsed‐electron‐beam evaporation | Zendy

Kawanishi Mitsuhiro | Zendy; Miura Noboru | Zendy; Matumoto Hironaga | Zendy; Nakano Ryotaro | Zendy

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Eu 2+ ‐doped barium thioaluminate EL devices prepared by two‐target pulsed‐electron‐beam evaporation

Author(s) -

Kawanishi Mitsuhiro,

Miura Noboru,

Matumoto Hironaga,

Nakano Ryotaro

Publication year - 2000

Publication title -

journal of the society for information display

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.578

H-Index - 52

eISSN - 1938-3657

pISSN - 1071-0922

DOI - 10.1889/1.1828758

Subject(s) - electroluminescence , thin film , materials science , doping , electron beam physical vapor deposition , evaporation , barium , optoelectronics , optics , layer (electronics) , cathode ray , luminance , electron , analytical chemistry (journal) , physics , nanotechnology , chemistry , quantum mechanics , chromatography , metallurgy , thermodynamics

— New blue‐emitting thin‐film‐electroluminescent (TFEL) devices that satisfy the requirements for full‐color TFEL displays were developed. Eu 2+ ‐doped BaAl 2 S 4 thin films were used for the emission layer. BaAl 2 S 4 :Eu thin films were prepared by two‐target pulsed‐electron‐beam evaporation suitable for the deposition of multinary compounds that have difficulty in obtaining stoichiometoric thin films. The EL spectrum only had a peak at around 470 nm. The Commission Interantionale de l'Eclairge (CIE) color coordinates were x = 0.12 and y = 0.10. The luminance level from a 50‐Hz pulses voltage was 65 cd/m 2 .

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