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17272 Er³⁺ luminescence as a sensor of high pressure and strong external magnetic fields

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Valiente, R. and Millot, M. and Rodriguez, F. and Gonzalez, J. and Broto, J-M. and George, S. and García-Revilla, S. and Romanyuk, Y.E. and Pollnau, M. (2009) Er³⁺ luminescence as a sensor of high pressure and strong external magnetic fields High Pressure Research, 29 (4). pp. 748-753. ISSN 0895-7959 *** ISI Impact 0,778 ***

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Official URL: http://dx.doi.org/10.1080/08957950903371716

Abstract

In this paper, we present the preliminary results of the combined effect of high pressure (up to 7.5 GPa) and strong external magnetic fields (up to 28.5 T) on the photoluminescence (PL) properties of $Er^{3+}–Yb^{3+}$ co-doped single-crystal thin films of well-oriented $KY(WO_4)_2$ at low temperatures. Measurements were carried out under pulsed magnetic field, exciting the $Er^{3+}$ ions via upconversion mechanisms by a Ti:sapphire laser with the external magnetic field applied along the crystallographic b axis. The detailed study of the green $^{4}S_3/_2 - ^{4}I_1_5/_2 Er^{3+}$ PL after infrared excitation around 1μm as a function of pressure and external magnetic field reveals the potential applicability of this system as sensor of high magnetic fields, high pressure and low temperature, simultaneously.

Item Type:	Article
Research Group:	EWI-IOMS: Integrated Optical MicroSystems
Research Program:	MESA-General
Research Project:	DT-CRYS: Double Tungstate Crystals -- synthesis, characterization and applications
ID Code:	17272
Status:	Published
Deposited On:	21 January 2010
Refereed:	Yes
International:	Yes
ISI Impact Factor:	0,778
More Information:	statistics metis

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