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Title of Journal: J Electroceram

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Abbravation: Journal of Electroceramics

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Springer US

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DOI

10.1002/9780470882634.ch5

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1573-8663

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Structures and luminescence properties of EuSuper

Authors: Bo Yun Jang Joo Seok Park Joon Soo Kim Seong Ok Han Hong Soo Kim Young Soo Ahn Soon Jae Yoo
Publish Date: 2008/03/05
Volume: 23, Issue: 2-4, Pages: 312-316
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Abstract

Eu2+doped αsialon phosphor was synthesized and structures and various luminescence properties were studied High crystalline Ca08Al28Si92O1169N1494 phase was successively obtained for undoped and Eu2+doped samples Eu2+doped αsialon phosphor exhibited wide absorption in ultra violet UV and visible range and high broad emission band peaking at from 570 to 582 nm The optimum compositions and process conditions was obtained from 075 mol Eu2+–doped Ca08Al28Si92O1169N1494 fired at 1650 °C for 2 h in 30 H2–70 N2 atm In addition fabrication of UVlight emitting diode LED lamp using this phosphor was conducted and the optical properties were measured Relative quantum efficiency of the phosphor and luminous efficiency of the lamp were 8366 and 3528 lm/W respectively Those results indicated that Eu2+doped αsialon phosphor in this study was a good candidate for UVLED light source

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  2. Structural and dielectric properties of epitaxial Ba 0.6 Sr 0.4 TiO 3 thin films grown on Si substrates with thin SrO buffer layers
  3. Excitonic photoluminescence in CuAlS 2 powders
  4. Lattice-strain effect on oxygen vacancy formation in gadolinium-doped ceria
  5. Piezoelectric actuators 2006
  6. Ferroelectric and piezoelectric properties of (Bi 1/2 K 1/2 )TiO 3 ceramics fabricated by hot-pressing method
  7. Low field depoling phenomena in soft lead zirconate titanate ferroelectrics
  8. Synthesis and characterizations of SrTiO 3 modified BNT-KNN ceramics for energy storage applications
  9. Chemical solution deposition of copper thin films and integration into a multilayer capacitor structure
  10. Effects of ZnO nanopowder dispersion on photocatalytic reactions for the removal of Ag + ions from aqueous solution
  11. Lead-free NKN-5LT piezoelectric materials for multilayer ceramic actuator
  12. Synthesis and characterization of Eu doped Y 2 O 3 particles by a glycothermal processing
  13. Fatigue induced effects on bipolar strain loops in PZN-PT piezoelectric single crystals
  14. Separation of lattice structural and electronic effects on physical properties with nanotechnology
  15. Investigation of phase distribution in nanoscale BaTiO 3 powders prepared by hydro-thermal synthesis
  16. Influences of ScTa co-substitution on the properties of Ultra-high temperature Bi 3 TiNbO 9 -based piezoelectric ceramics
  17. Composition-dependent dielectric properties and energy storage performance of (Pb,La)(Zr,Sn,Ti)O 3 antiferroelectric ceramics
  18. Nanoscale engineering of ferroelectric functionality
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  20. Characteristics of barium hexaferrite nanocrystalline powders prepared by a sol-gel combustion method using inorganic agent
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  22. Electrical and optical characterisation of aluminium nitride piezoelectric films on silicon nitride membranes
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