A novel highly thermal-stable Ca2GaNbO6: Sm3+ phosphor with excellent color purity for high CRI wLEDs and security ink

Zhang, Yanzhi; Guo, Xiang; Zhang, Minghao; Cui, Ruirui; Zhang, Jun; Deng, Chaoyong

doi:10.1016/j.jallcom.2024.175459

Journal of Alloys and Compounds

2024

DOI: 10.1016/j.jallcom.2024.175459

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A novel highly thermal-stable Ca2GaNbO6: Sm3+ phosphor with excellent color purity for high CRI wLEDs and security ink

Yanzhi Zhang,

Xiang Guo,

Minghao Zhang

et al.

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Cited by 7 publications

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Multi‐Color Synaptic Luminescence in RE‐Doped Ca₂SnO₄ (RE = Sm³⁺, Er³⁺, and La³⁺)

Wi,

Lee,

Han

et al. 2024

Adv Funct Materials

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Recently, there has been a surge of interest in neuromorphic computation inspired by the extraordinary characteristics of the human brain, such as low energy consumption, parallelism, adaptivity, cognitive abilities, and learning capabilities. Significant research efforts have focused on exploring optical synaptic behaviors in various functional materials. In this study, the potential of red, green and blue (RGB)‐colored long‐persistent luminescence (LPL) in Sm3+/Er3+/La3+‐doped Ca2SnO4 is investigated for synaptic functionality. The luminescence of the samples is continuously enhanced under serial photoexcitation pulse applications, that is, the potentiation process, which is a key feature demonstrated in biological synapses. In addition, multichannel synaptic functionalities in the full‐color range is successfully demonstrated by integrating individual RGB‐colored Sm3+/Er3+/La3+‐doped Ca2SnO4 into a single quantity. To validate the optical synaptic behavior of the samples in neuromorphic computing applications, a reservoir computing (RC) simulation is performed for space‐time data processing using the unique responses of the samples under 4‐bit excitation pulses. The results demonstrated that the multi‐channel synaptic behaviors in the samples should be more valid for utilization in the RC layer than the single channel of synaptic behavior. We suggest this exploration holds promise for the advancement of synaptic devices employing LPL materials.

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Multi‐Color Synaptic Luminescence in RE‐Doped Ca₂SnO₄ (RE = Sm³⁺, Er³⁺, and La³⁺)

Wi,

Lee,

Han

et al. 2024

Adv Funct Materials

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A new type of white phosphor Na2Ca2Si3O9:Dy3+ under near-UV light excitation

Zhang,

Zhu,

Yao

2024

J Mater Sci: Mater Electron

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A novel high-brightness and thermally-stable red phosphor Ca2GaNbO6: Eu3+ for WLEDs and anti-counterfeiting inks

Li,

Cui,

Guo

et al. 2024

Ceramics International

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A novel highly thermal-stable Ca2GaNbO6: Sm3+ phosphor with excellent color purity for high CRI wLEDs and security ink

Cited by 7 publications

References 68 publications

Multi‐Color Synaptic Luminescence in RE‐Doped Ca₂SnO₄ (RE = Sm³⁺, Er³⁺, and La³⁺)

Multi‐Color Synaptic Luminescence in RE‐Doped Ca₂SnO₄ (RE = Sm³⁺, Er³⁺, and La³⁺)

A new type of white phosphor Na2Ca2Si3O9:Dy3+ under near-UV light excitation

A novel high-brightness and thermally-stable red phosphor Ca2GaNbO6: Eu3+ for WLEDs and anti-counterfeiting inks

Contact Info

Product

Resources

About

A novel highly thermal-stable Ca2GaNbO6: Sm3+ phosphor with excellent color purity for high CRI wLEDs and security ink

Cited by 7 publications

References 68 publications

Multi‐Color Synaptic Luminescence in RE‐Doped Ca2SnO4 (RE = Sm3+, Er3+, and La3+)

Multi‐Color Synaptic Luminescence in RE‐Doped Ca2SnO4 (RE = Sm3+, Er3+, and La3+)

A new type of white phosphor Na2Ca2Si3O9:Dy3+ under near-UV light excitation

A novel high-brightness and thermally-stable red phosphor Ca2GaNbO6: Eu3+ for WLEDs and anti-counterfeiting inks

Contact Info

Product

Resources

About

Multi‐Color Synaptic Luminescence in RE‐Doped Ca₂SnO₄ (RE = Sm³⁺, Er³⁺, and La³⁺)

Multi‐Color Synaptic Luminescence in RE‐Doped Ca₂SnO₄ (RE = Sm³⁺, Er³⁺, and La³⁺)