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High Pressure Research
An International Journal
Volume 29, 2009 - Issue 4: PROCEEDINGS OF THE XLVIITH EUROPEAN HIGH PRESSURE RESEARCH GROUP (EHPRG 47) MEETING, PARIS (FRANCE), 6–11 SEPTEMBER 2009
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Contributed papers

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

R. Valiente MALTA-Consolider, Departamento de Física Aplicada, Facultad de Ciencias, Universidad de Cantabria, 39005, Santander, SpainCorrespondence[email protected]
,
M. Millot Laboratoire National des Champs Magnétiques Intenses (LNCMI-CNRS), Université de Toulouse, 31400, Toulouse, France
,
F. Rodríguez MALTA-Consolider, DCITIMAC, Facultad de Ciencias, Universidad de Cantabria, 39005, Santander, Spain
,
J. González MALTA-Consolider, DCITIMAC, Facultad de Ciencias, Universidad de Cantabria, 39005, Santander, Spain
,
J. M. Broto Laboratoire National des Champs Magnétiques Intenses (LNCMI-CNRS), Université de Toulouse, 31400, Toulouse, France
,
S. George Laboratoire National des Champs Magnétiques Intenses (LNCMI-CNRS), Université de Toulouse, 31400, Toulouse, France
,
S. García-Revilla Departamento Física Aplicada I, Escuela Superior de Ingenieros, 48013, Bilbao, Spain
,
Y. Romanyuk Swiss Federal Laboratories for Materials Testing and Research (EMPA), 8600, Dübendorf, Switzerland
&
M. Pollnau Integrated Optical Micro Systems, MESA+ Institute for Nanotechnology, University of Twente, 7500, AE, Enschede, The Netherlands
 show all
Pages 748-753 | Received 04 Sep 2009, Published online: 17 Nov 2009
 
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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 Er3+–Yb3+ co-doped single-crystal thin films of well-oriented KY(WO4)2 at low temperatures. Measurements were carried out under pulsed magnetic field, exciting the Er3+ 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 4S3/2→4I15/2 Er3+ PL after infrared excitation around 1 μm 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.

Acknowledgements

Financial support from EuroMagNET II FP7 programme, the Consolider Ingenio 2010 MALTA Project (Ref. CDS2007-0045), the Project of the Plan Nacional de Materiales (Ref. MAT2008-06873-C02-01) and MALTA INGENIO-CONSOLIDER 2010 is acknowledged.

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