Er(3+)-doped nanoparticles for optical detection of magnetic field

Victor K Tikhomirov; Liviu F Chibotaru; Damien Saurel; Patrick Gredin; Michel Mortier; Victor V Moshchalkov

doi:10.1021/nl803244v

Er(3+)-doped nanoparticles for optical detection of magnetic field

Nano Lett. 2009 Feb;9(2):721-4. doi: 10.1021/nl803244v.

Authors

Victor K Tikhomirov¹, Liviu F Chibotaru, Damien Saurel, Patrick Gredin, Michel Mortier, Victor V Moshchalkov

Affiliation

¹ Department of Chemistry, Katholieke Universiteit Leuven, Belgium.

PMID: 19128008
DOI: 10.1021/nl803244v

Abstract

A bright persistent photoluminescence has been observed in Er(3+)-doped nanoparticles prepared by selective dissolution of bulk oxyfluoride nano-glass-ceramics. A 2 orders of magnitude decrease of intensity of the (4)S(3/2)-->(4)I(15/2) green emission band of Er(3+) in these nanoparticles is observed in magnetic fields up to 50 T. This strong luminescence sensitivity to magnetic field can be used for localization and distant optical detection of magnetic field in nanovolumes with a field-resolution of 0.01 T.