[HTML][HTML] Luminescence thermometry with transition metal ions. A review

L Marciniak, K Kniec, K Elżbieciak-Piecka… - Coordination Chemistry …, 2022 - Elsevier
Transition metal (TM) ion activated phosphors are increasingly being used as probes for
luminescence thermometry. Their luminescence is characterized by strong absorption and …

Influence of chemical and mechanical pressure on the luminescence properties of near-infrared phosphors

N Majewska, A Muñoz, RS Liu, S Mahlik - Chemistry of Materials, 2023 - ACS Publications
In this study, we aim to compare the changes in the luminescence properties of Ga2O3:
Cr3+ modified by Al or Sc ion substitution (chemical pressure) and hydrostatic pressure. We …

Multimodal non-contact luminescence thermometry with Cr-doped oxides

V Mykhaylyk, H Kraus, Y Zhydachevskyy, V Tsiumra… - Sensors, 2020 - mdpi.com
Luminescence methods for non-contact temperature monitoring have evolved through
improvements of hardware and sensor materials. Future advances in this field rely on the …

Photoelectric Studies as the Key to Understanding the Nonradiative Processes in Chromium Activated NIR Materials

N Majewska, MH Fang, S Mahlik - Journal of the American …, 2024 - ACS Publications
In this study, we synthesized a series of Ga1. 98–x In x O3: 0.02 Cr3+ materials with varying
x values from 0.0 to 1.0, focusing on their broadband near-infrared emission and …

Photoluminescence spectroscopy of Cr3+ in β-Ga2O3 and (Al0. 1Ga0. 9) 2O3

C Remple, LM Barmore, J Jesenovec… - Journal of Vacuum …, 2023 - pubs.aip.org
Alloying β-Ga 2 O 3 with Al 2 O 3 to create (Al x Ga 1− x) 2 O 3 enables ultra-wide bandgap
materials suitable for applications deep into ultraviolet. In this work, photoluminescence (PL) …

Correlation between electrical conductivity and luminescence properties in β-Ga2O3: Cr3+ and β-Ga2O3: Cr, Mg single crystals

V Vasyltsiv, A Luchechko, Y Zhydachevskyy… - Journal of Vacuum …, 2021 - pubs.aip.org
The photoluminescence, excitation, and absorption spectra as well as the electrical
conductivity of β-Ga 2 O 3: Cr and β-Ga 2 O 3: Cr, Mg single crystals were studied. The as …

Chemical Tuning, Pressure, and Temperature Behavior of Mn4+ Photoluminescence in Ga2O3–Al2O3 Alloys

Y Zhydachevskyy, V Mykhaylyk, V Stasiv… - Inorganic …, 2022 - ACS Publications
In this study, we carried out a detailed investigation of the photoluminescence of Mn4+ in
Ga2O3–Al2O3 solid solutions as a function of the chemical composition, temperature, and …

Realization of red electroluminescence from Ga2O3: Eu/Si based light-emitting diodes

Y Huang, K Saito, T Tanaka, Q Guo - Superlattices and Microstructures, 2021 - Elsevier
Eu doped Ga 2 O 3 film has been grown on n-Si (111) substrate by pulsed laser deposition.
Excellent structural and optical properties of the obtained Ga 2 O 3: Eu film have been …

Origin of Red Emission in β‐Ga2O3 Analyzed by Cathodoluminescence and Photoluminescence Spectroscopy

G Naresh-Kumar, H MacIntyre… - … status solidi (b), 2021 - Wiley Online Library
The spectroscopic techniques of cathodoluminescence (CL) and photoluminescence (PL)
are used to study the origin of red emission in β‐Ga2O3 grown using the edge‐defined film …

[HTML][HTML] Pair vacancy defects in β-Ga2O3 crystal: Ab initio study

A Usseinov, A Platonenko, Z Koishybayeva… - Optical Materials: X, 2022 - Elsevier
Despit many studies dedicated to the defects in β-Ga 2 O 3, information about formation
processes of complex “donor-acceptor” defects in β-Ga 2 O 3 and their energetic …