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Photoluminescence and Raman scattering spectroscopies of BaSiF6:Mn4+ red phosphor
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10.1063/1.4803880
/content/aip/journal/jap/113/18/10.1063/1.4803880
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/18/10.1063/1.4803880

Figures

Image of FIG. 1.
FIG. 1.

XRD trace of BaSiF:Mn. The XRD pattern obtained from the ASTM card is shown in the lower part (No. 00-015-0736).

Image of FIG. 2.
FIG. 2.

SEM image of BaSiF:Mn.

Image of FIG. 3.
FIG. 3.

ESR spectrum of BaSiF:Mn measured at 300 K.

Image of FIG. 4.
FIG. 4.

PL and PLE spectra of BaSiF:Mn at 300 K. The vertical bars show the results calculated using Eq. (3) with (a)  =  4 ( ) and (b)  =  9 ( ). The ZPL energies obtained here are ∼1.987 eV ( ), ∼2.43 eV ( ), and ∼2.86 eV ( ).

Image of FIG. 5.
FIG. 5.

PL spectra measured at temperatures between 20 and 440 K in steps of 20 K for BaSiF:Mn.

Image of FIG. 6.
FIG. 6.

PL spectra of (a) BaSiF:Mn, (b) (NH)SiF:Mn, (c) KSiF:Mn, (d) CsSiF:Mn, and (e) NaTiF:Mn (Ref. ) at 300 K. The zero energy in the horizontal axis corresponds to the ZPL emission energy of each phosphor [(a): ∼1.987 eV; (b): ∼1.987 eV; (c): ∼1.994 eV; (d): ∼1.986 eV; (e) ∼2.006 eV].

Image of FIG. 7.
FIG. 7.

PL spectra of (a) BaSiF:Mn, (b) (NH)SiF:Mn, (c) KSiF:Mn, (d) CsSiF:Mn, and (e) NaTiF:Mn (Ref. ) at 20 K. The zero energy in the horizontal axis corresponds to the ZPL emission energy of each phosphor [(a): ∼1.987 eV; (b): ∼1.990 eV; (c): ∼1.995 eV; (d): ∼1.986 eV; (e) ∼2.009 eV].

Image of FIG. 8.
FIG. 8.

Stokes PL spectra for (a) BaSiF:Mn and (b) KSiF:Mn (Ref. ) measured at 20 K. The zero energy in the horizontal axis corresponds to the ZPL emission energies of these phosphors, i.e., ∼1.987 eV for BaSiF:Mn and ∼1.995 eV for KSiF:Mn.

Image of FIG. 9.
FIG. 9.

Luminescence decay curve measured for the red emission ( ∼634 nm) in BaSiF:Mn at 300 K. The solid line represents the calculated result with a single exponential decay process of ∼ 6.5 ms.

Image of FIG. 10.
FIG. 10.

Integrated PL emission intensity vs temperature for BaSiF:Mn. The light and heavy solid lines show the results calculated using Eqs. (4) and (5) , respectively.

Image of FIG. 11.
FIG. 11.

Stokes Raman lines in (a) pure BaSiF and (b) BaSiF:Mn at 300 K.

Tables

Generic image for table
Table I.

Internal vibronic frequencies of and octahedra in BaSiF:Mn at room temperature.

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/content/aip/journal/jap/113/18/10.1063/1.4803880
2013-05-09
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Photoluminescence and Raman scattering spectroscopies of BaSiF6:Mn4+ red phosphor
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/18/10.1063/1.4803880
10.1063/1.4803880
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