Erbium ion implantation into LiNbO3, Al2O3, ZnO and diamond – measurement and modelling – an overview

Cajzl, Jakub; Nekvindová, Pavla; Macková, Anna; Varga, M.; Kromka, Alexander

doi:10.1039/d2cp01803a

Cited by 3 publications

(1 citation statement)

References 109 publications

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“…The greater the cohesive energy, the more energy that is required to break the material and, therefore, the more stable the material. [21][22][23][24][25] The cohesive energy for the 3D system can be calculated following the same nomenclature used in eqn (2), however the reference state energy is replaced by the elements gaseous phase atomic energy (E i,atomic ). This was calculated by isolating an atom of type i in a 20 Å Â 20 Å Â 20 Å box and optimizing to determine the total energy.…”

Section: Thermodynamic Feasibility and Structural Stabilitymentioning

confidence: 99%

Computationally directed manipulation of cross-linked covalent organic frameworks for membrane applications

Davies,

Wenzel,

Brugger

et al. 2023

Phys. Chem. Chem. Phys.

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Section: Thermodynamic Feasibility and Structural Stabilitymentioning

confidence: 99%

Computationally directed manipulation of cross-linked covalent organic frameworks for membrane applications

Davies,

Wenzel,

Brugger

et al. 2023

Phys. Chem. Chem. Phys.

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IR Hidden Patterns for Security Labels

Yaroshenko,

Larin,

Syubaev

et al. 2024

J. Phys. Chem. Lett.

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Authentication of a product's originality by anticounterfeiting labels represents a crucial point toward protection against forgery. Fast and scalable fabrication methods of original labels with a high degree of protection are in high demand for the protection of valuable goods. Here, we propose a simple strategy for fabrication of hidden security tags with IR luminescent readout by the direct femtosecond laser patterning of silicon−erbium−silicon sandwiched thin films. The choice of laser processing parameters makes possible the creation of random or quasi-regular self-organized surface nanotextures. The controlled laser-driven oxidation accompanying this process provides simultaneous regulation of the film's optical properties and spontaneous emission yield of the embedded Er atoms. The regimes are detected when optically similar patterned areas demonstrate different Er emission intensities, allowing us to create hidden security tags with facile readout at the C-band telecommunication wavelengths. The obtained results take another step toward the application of IR-luminescent erbium-based anticounterfeiting labels for covert and/or forensic security levels.

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Erbium doping of lithium niobate on insulator using low-temperature ion exchange

Younesi,

Yang,

Chung

et al. 2023

Opt. Mater. Express

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We propose an optimized low-temperature ion exchange method for fabricating an erbium-doped lithium niobate on insulator (LNOI) substrate. This method ensures the production of high-quality, crack-free substrates. The erbium-doped substrates are characterized spectroscopically in the near-infrared wavelength range. Additionally, we demonstrate deterministic local doping by using a SiO2 mask. This relatively simple, locally selective doping technology can facilitate the implementation of new and practical active building blocks in the LNOI platform, which could be attractive for several applications, like the realization of integrated lasers and amplifiers.

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Erbium ion implantation into LiNbO₃, Al₂O₃, ZnO and diamond – measurement and modelling – an overview

Abstract: The presented overview deals with an experimental and theoretical study of erbium ions incorporated in crystal materials of LiNbO3, Al2O3, ZnO and diamond for use in photonics and optoelectronics.

Cited by 3 publications

References 109 publications

Computationally directed manipulation of cross-linked covalent organic frameworks for membrane applications

Computationally directed manipulation of cross-linked covalent organic frameworks for membrane applications

IR Hidden Patterns for Security Labels

Erbium doping of lithium niobate on insulator using low-temperature ion exchange

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