Tuning Photoluminescence Response by Electric Field in Electrically Soft Ferroelectrics

Khatua, Dipak Kumar and Kalaskar, Abhijeet and Ranjan, Rajeev (2016) Tuning Photoluminescence Response by Electric Field in Electrically Soft Ferroelectrics. In: PHYSICAL REVIEW LETTERS, 116 (11).

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Abstract

We show that an electrically soft ferroelectric host can be used to tune the photoluminescence (PL) response of rare-earth emitter ions by external electric field. The proof of this concept is demonstrated by changing the PL response of the Eu3+ ion by electric field on a model system Eu-doped 0.94(Na1/2Bi1/2TiO3)-0.06(BaTiO3). We also show that new channels of radiative transitions, forbidden otherwise, open up due to positional disorder in the system, which can as well be tuned by electric field.

Item Type:	Journal Article
Publication:	PHYSICAL REVIEW LETTERS
Publisher:	AMER PHYSICAL SOC
Additional Information:	Copy right for this article belongs to the AMER PHYSICAL SOC, ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
Department/Centre:	Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited:	29 Apr 2016 05:04
Last Modified:	29 Apr 2016 05:04
URI:	http://eprints.iisc.ac.in/id/eprint/53721

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