Mechanoluminescence of SrAl2O4:Eu2+, Dy3+ under cyclic loading

Kee Sun Sohn; Woon Bae Park; Suman Timilsina; Ji Sik Kim

doi:10.1364/OL.39.001410

Mechanoluminescence of SrAl₂O₄:Eu²⁺, Dy³⁺ under cyclic loading

Kee Sun Sohn, Woon Bae Park, Suman Timilsina, Ji Sik Kim

Department of Nano & Advanced Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

41 Scopus citations

Abstract

The mechanoluminescence (ML) of SrAl₂O₄:Eu ²⁺, Dy³⁺ (SAO) has been of particular interest based on the possibility that these materials could be used as nondestructive, reproducible stress (or load) sensors. However, there has been no in-depth study of ML under a cyclic load. It was found that a cyclic load generated harmonics in the ML response. The second harmonic term exhibiting a doubled frequency was significant, but the others could be ignored. In addition, hysteresis behavior was observed in the ML and was examined by comparison with the hysteresis that is typical in piezoelectricity.

Original language	English
Pages (from-to)	1410-1413
Number of pages	4
Journal	Optics Letters
Volume	39
Issue number	6
DOIs	https://doi.org/10.1364/OL.39.001410
State	Published - 15 Mar 2014

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title = "Mechanoluminescence of SrAl2O4:Eu2+, Dy3+ under cyclic loading",

abstract = "The mechanoluminescence (ML) of SrAl2O4:Eu 2+, Dy3+ (SAO) has been of particular interest based on the possibility that these materials could be used as nondestructive, reproducible stress (or load) sensors. However, there has been no in-depth study of ML under a cyclic load. It was found that a cyclic load generated harmonics in the ML response. The second harmonic term exhibiting a doubled frequency was significant, but the others could be ignored. In addition, hysteresis behavior was observed in the ML and was examined by comparison with the hysteresis that is typical in piezoelectricity.",

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PY - 2014/3/15

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N2 - The mechanoluminescence (ML) of SrAl2O4:Eu 2+, Dy3+ (SAO) has been of particular interest based on the possibility that these materials could be used as nondestructive, reproducible stress (or load) sensors. However, there has been no in-depth study of ML under a cyclic load. It was found that a cyclic load generated harmonics in the ML response. The second harmonic term exhibiting a doubled frequency was significant, but the others could be ignored. In addition, hysteresis behavior was observed in the ML and was examined by comparison with the hysteresis that is typical in piezoelectricity.

AB - The mechanoluminescence (ML) of SrAl2O4:Eu 2+, Dy3+ (SAO) has been of particular interest based on the possibility that these materials could be used as nondestructive, reproducible stress (or load) sensors. However, there has been no in-depth study of ML under a cyclic load. It was found that a cyclic load generated harmonics in the ML response. The second harmonic term exhibiting a doubled frequency was significant, but the others could be ignored. In addition, hysteresis behavior was observed in the ML and was examined by comparison with the hysteresis that is typical in piezoelectricity.

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Mechanoluminescence of SrAl₂O₄:Eu²⁺, Dy³⁺ under cyclic loading

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