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756504

Sigma-Aldrich

Cerium magnesium aluminate, terbium doped

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99% trace metals basis

Synonym(s):

Aluminum cerium magnesium terbium oxide, Green phosphor, Terbium doped aluminum cerium magnesium oxide

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About This Item

Empirical Formula (Hill Notation):
Ce0.63Tb0.37MgAl11O19
CAS Number:
106495-57-2
Molecular Weight:
772.17
UNSPSC Code:
12352300
NACRES:
NA.23

Assay

99% trace metals basis

form

powder

composition

Ce0.63Tb0.37MgAl11O19

greener alternative product characteristics

Design for Energy Efficiency
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particle size

4-8 μm (d50)

mp

>1000 °C (lit.)

fluorescence

λex 544 nm±2 nm (UV excitation source)

greener alternative category

, Enabling

General description

Cerium magnesium aluminate, terbium doped is a phosphor material, which has a magnetoplumbite structure and luminesces effectively in the UV region. The addition of terbium allows the transfer of excitation energy from Ce3+ to Tb3+, resulting in the formation of green luminescence. It can be prepared by methods such as spray pyrolysis and combustion method.
Color coordinate (x): 0.335 +/- 0.015

Color coordinate (y): 0.590 +/- 0.015
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Application

Cerium magnesium aluminate, terbium doped can be used in the development of display devices such as plasma display panels (PDPs), field emission displays (FEDs), and electroluminescence panels.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKCR8463
MKCM6944
MKCK7576
MKCG8522
MKBZ9409V

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Photoluminescence properties of Ce1-xTbxMgAl11O19 phosphor particles prepared by spray pyrolysis
Kang YC, et al.
Japanese Journal of Applied Physics, 38(4R), 2013-2013 (1999)
Hong, S.K.; Jung, D.S.; Ju, S.H.; Koo, H.Y.; Kang, Y.C.
Journal of Materials Science: Materials in Electronics, 17, 341-341 (2006)
Li, Y.J.; Kwon, Y.W.; Jones, M.; et al.
Semiconductor Science and Technology, 20, 720-720 (2005)

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