ZnGa2O4:Cr3+ phosphor for visible laser-based information storage with enhanced resolution

Xueqing Liu; Lu Chen; Feng Liu; Xiao jun Wang

doi:10.1016/j.optmat.2025.117299

ZnGa₂O₄:Cr³⁺ phosphor for visible laser-based information storage with enhanced resolution

Xueqing Liu
, Lu Chen
, Feng Liu
, Xiao jun Wang

Biochemistry, Chemistry & Physics

Northeast Normal University

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

1 Scopus citations

Abstract

This study explores the potential of Cr³⁺-doped ZnGa₂O₄ phosphor as a high-resolution medium for optical information storage via visible laser irradiation. Utilizing an upconversion charging (UCC) mechanism, this phosphor surpasses the limitations of traditional ultraviolet charging methods, offering improved resolution in photo-stimulated luminescence and afterglow imaging. The nonlinear excitation properties of UCC enable the creation of sharper and more precise luminescence patterns, thereby significantly enhancing the accuracy of data writing and retrieval. Our results highlight ZnGa₂O₄:Cr³⁺ as a promising platform for next-generation high-density optical storage technologies.

Original language	English
Article number	117299
Journal	Optical Materials
Volume	167
DOIs	https://doi.org/10.1016/j.optmat.2025.117299
State	Published - Jul 7 2025

Scopus Subject Areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Spectroscopy
Physical and Theoretical Chemistry
Organic Chemistry
Inorganic Chemistry
Electrical and Electronic Engineering

Keywords

Optical information storage
Storage phosphors
Upconversion charging
ZnGaO:Cr

Access to Document

10.1016/j.optmat.2025.117299

Cite this

@article{6c311587d902412d823e0d56abac8cc2,

title = "ZnGa2O4:Cr3+ phosphor for visible laser-based information storage with enhanced resolution",

abstract = "This study explores the potential of Cr3+-doped ZnGa2O4 phosphor as a high-resolution medium for optical information storage via visible laser irradiation. Utilizing an upconversion charging (UCC) mechanism, this phosphor surpasses the limitations of traditional ultraviolet charging methods, offering improved resolution in photo-stimulated luminescence and afterglow imaging. The nonlinear excitation properties of UCC enable the creation of sharper and more precise luminescence patterns, thereby significantly enhancing the accuracy of data writing and retrieval. Our results highlight ZnGa2O4:Cr3+ as a promising platform for next-generation high-density optical storage technologies.",

keywords = "Optical information storage, Storage phosphors, Upconversion charging, ZnGaO:Cr",

author = "Xueqing Liu and Lu Chen and Feng Liu and Wang, \{Xiao jun\}",

note = "Publisher Copyright: {\textcopyright} 2025 Elsevier B.V.",

year = "2025",

month = jul,

day = "7",

doi = "10.1016/j.optmat.2025.117299",

language = "English",

volume = "167",

journal = "Optical Materials",

issn = "0925-3467",

publisher = "Elsevier B.V.",

}

TY - JOUR

T1 - ZnGa2O4:Cr3+ phosphor for visible laser-based information storage with enhanced resolution

AU - Liu, Xueqing

AU - Chen, Lu

AU - Liu, Feng

AU - Wang, Xiao jun

PY - 2025/7/7

Y1 - 2025/7/7

N2 - This study explores the potential of Cr3+-doped ZnGa2O4 phosphor as a high-resolution medium for optical information storage via visible laser irradiation. Utilizing an upconversion charging (UCC) mechanism, this phosphor surpasses the limitations of traditional ultraviolet charging methods, offering improved resolution in photo-stimulated luminescence and afterglow imaging. The nonlinear excitation properties of UCC enable the creation of sharper and more precise luminescence patterns, thereby significantly enhancing the accuracy of data writing and retrieval. Our results highlight ZnGa2O4:Cr3+ as a promising platform for next-generation high-density optical storage technologies.

AB - This study explores the potential of Cr3+-doped ZnGa2O4 phosphor as a high-resolution medium for optical information storage via visible laser irradiation. Utilizing an upconversion charging (UCC) mechanism, this phosphor surpasses the limitations of traditional ultraviolet charging methods, offering improved resolution in photo-stimulated luminescence and afterglow imaging. The nonlinear excitation properties of UCC enable the creation of sharper and more precise luminescence patterns, thereby significantly enhancing the accuracy of data writing and retrieval. Our results highlight ZnGa2O4:Cr3+ as a promising platform for next-generation high-density optical storage technologies.

KW - Optical information storage

KW - Storage phosphors

KW - Upconversion charging

KW - ZnGaO:Cr

UR - https://www.scopus.com/pages/publications/105010060385

UR - https://www.sciencedirect.com/science/article/abs/pii/S0925346725006597?via%3Dihub

U2 - 10.1016/j.optmat.2025.117299

DO - 10.1016/j.optmat.2025.117299

M3 - Article

AN - SCOPUS:105010060385

SN - 0925-3467

VL - 167

JO - Optical Materials

JF - Optical Materials

M1 - 117299

ER -