Broadening phosphor-converted light-emitting diode emission: controlling disorder

CY Chang, N Majewska, KC Chen… - Chemistry of …, 2022 - ACS Publications
Near-infrared (NIR) phosphor-converted light-emitting diodes (pc-LEDs) are a highly
efficient perspective NIR light source, with application hindered by a narrow emission band …

Probing local structural changes by sharp luminescent infrared nanophosphor for application in light-emitting diodes

JY Hsu, RJ Chung, N Majewska, D Kreft… - Chemistry of …, 2022 - ACS Publications
Cr3+-doped infrared phosphors are promising candidates for next-generation phosphor-
converted infrared light-emitting diodes (LEDs) because they can, in principle, tune 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) …

Probing the Cr3+ luminescence sensitization in β-Ga2O3 with ion-beam-induced luminescence and thermoluminescence

DM Esteves, AL Rodrigues, LC Alves, E Alves… - Scientific Reports, 2023 - nature.com
Ion-beam-induced luminescence (IBIL) measurements were performed in Cr-doped β-
Ga2O3 using both protons and helium ions, showing a strong enhancement of the Cr3+ …

Enhancing the luminescence yield of Cr3+ in β-Ga2O3 by proton irradiation

M Peres, DM Esteves, BMS Teixeira, J Zanoni… - Applied Physics …, 2022 - pubs.aip.org
In situ ion-beam-induced luminescence measurements reveal a strong enhancement of the
Cr 3+ emission yield in electrically conductive chromium doped β-Ga 2 O 3 single crystals …

[HTML][HTML] Magneto-optical properties of Cr3+ in β-Ga2O3

JE Stehr, M Jansson, DM Hofmann, J Kim… - Applied Physics …, 2021 - pubs.aip.org
β-Ga 2 O 3 is a wide bandgap semiconductor that is attractive for various applications,
including power electronics and transparent conductive electrodes. Its properties can be …

[HTML][HTML] Photoluminescence of Cr3+ in β-Ga2O3 and (Al0. 1Ga0. 9) 2O3 under pressure

LM Barmore, J Jesenovec, JS McCloy… - Journal of Applied …, 2023 - pubs.aip.org
The effects of pressure on single crystals of Cr-doped gallium oxide (β-Ga 2 O 3: Cr 3+) and
aluminum gallium oxide [(Al 0.1 Ga 0.9) 2 O 3] were examined by measuring the wavelength …

Effects of Annealing on Surface Residual Impurities and Intrinsic Defects of β-Ga2O3

S Wu, Z Liu, H Yang, Y Wang - Crystals, 2023 - mdpi.com
In this study, the effects of annealing on the surface residual impurities and intrinsic defects
of unintentionally doped (UID) β-Ga2O3 are investigated by adopting high-temperature …

Effect of air annealing on the structural, electrical, and optical properties of V-doped β-Ga2O3 single crystals

P Li, X Han, D Chen, Q Sai, H Qi - Journal of Alloys and Compounds, 2022 - Elsevier
V impurities were intentionally introduced into β-Ga 2 O 3 crystals as n-type dopants to
improve the n-type conductivity of single-crystal substrates. A high-quality 0.20 mol% V …

[HTML][HTML] Photoluminescence and Raman mapping of β-Ga2O3

C Remple, J Huso, MD McCluskey - AIP Advances, 2021 - pubs.aip.org
The semi-insulating single crystal β-Ga 2 O 3 is becoming increasingly useful as a substrate
for device fabrication. Fe doping is a method for producing such substrates. Along with Fe …