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Trapped-ion quantum information processing may benefit from qubits encoded in isotopes that are practically available in only small quantities, e.g. due to low natural abundance or radioactivity. Laser ablation provides a method of…

Quantum Physics · Physics 2023-07-12 X. Shi , S. L. Todaro , G. L. Mintzer , C. D. Bruzewicz , J. Chiaverini , I. L. Chuang

We report on picosecond UV-laser processing of hexagonal boron nitride (hBN) at moderately high pressures above 500 bar. The main effect is specific to the ambient gas and laser pulse duration in the ablation regime: when samples are…

Carbon nanoonions are novel carbon nanoestructures that have potential applications in fields like electronics and chemical catalysis. Here we report a very simple but effective method of purifying carbon nanoonions produced by submerged…

Ultrafast laser ablation is an extremely precise and clean method of removing material, applied in material processing as well as medical applications. And due to its violent nature, it tests our understanding of the interplay between…

Applied Physics · Physics 2018-10-17 Javier Hernandez-Rueda , Dries van Oosten

A new setup for doping helium nanodroplets by means of laser ablation at kilohertz repetition rate is presented. The doping process is characterized and two distinct regimes of laser ablation are identified. The setup is shown to be…

Atomic and Molecular Clusters · Physics 2011-12-19 M. Mudrich , B. Forkl , S. Mueller , M. Dvorak , O. Buenermann , F. Stienkemeier

Femtosecond laser ablation is a process that bears both fundamental physics interest and has wide industrial applications. For decades, the lack of probes on the relevant time and length scales has prevented access to the highly…

Laser ablation in liquids enables the synthesis of surfactant-free nanoparticles but remains limited in productivity due to intrinsic constraints imposed by the liquid environment. These constraints include nonlinear optical losses,…

Effect of the femtosecond and nanosecond UV laser irradiation (below the ablation threshold) of graphite-like hexagonal boron nitride (hBN) has been studied. Experiments were carried out with the compacted powder under high vacuum at room…

The detector contains four or more layers of natural Boron absorbing thermal neutrons. Thickness of a layer is 0.4 - 1.2 mg/cm2. The layers are deposited on one or on both sides of a metal surface used as contacts. Between the absorbing…

Instrumentation and Detectors · Physics 2010-06-10 M. SCHIEBER , O. KHAKHAN

The ecologically best way to produce nanoparticles (NP) is based on laser ablation in liquid (LAL). In the considered here case the LAL means that a gold target is irradiated through transparent water. During and after irradiation the…

Computational Physics · Physics 2019-09-04 Yu. V. Petrov , N. A. Inogamov , V. V. Zhakhovsky , V. A. Khokhlov

Elongated gold nanoparticles obtained by laser ablation in liquid demonstrate ferromagnetic behavior in external magnetic field.

General Physics · Physics 2018-11-14 G. A. Shafeev , I. I. Rakov , K. O. Ayyyzhy , G. N. Mikhailova , A. V. Troitskii , O. V. Uvarov

The concept of high refractive index subwavelength dielectric nanoresonators, supporting electric and magnetic optical resonances, is a promising platform for waveguiding, sensing, and nonlinear nanophotonic devices. However, high…

Secondary Ions Mass Spectroscopy and Hall effect measurements were performed on boron doped silicon with concentration between 0.02 at.% and 12 at.%. Ultra-high boron doping was made by saturating the chemisorption sites of a Si wafer with…

Nanoparticle synthesis via pulsed laser ablation in liquids has gained prominence as a versatile and environmentally friendly approach for producing ligand-free colloids with controlled composition, size, and morphology. While pulsed laser…

The condensation of zinc oxide nano clusters produced in gas phase has been evidenced in the ablation of a ZnO solid target by a pulsed ArF laser. We compare the spatio-temporal evolution of the shape of ZnO ablated plasma plume, both in…

Atomic and Molecular Clusters · Physics 2009-11-10 Igor Ozerov , Alexander V. Bulgakov , Dimitri N. Nelson , Ricardo Castell , Marc Sentis , Wladimir Marine

Boron Neutron Capture Therapy (BNCT) is a neutron radiotherapy used to treat tumours cells previously doping with Boron-10. This therapy requires an epithermal neutron beam for the treatment of deep tumours and a thermal beam for shallow…

Instrumentation and Detectors · Physics 2021-06-02 M. Macías , B. Fernández , J. Praena

The two-dimensional nanomaterial, hexagonal boron nitride (hBN) was cleanly transferred via a blister-based laser-induced forward-transfer method. The transfer was performed utilizing femtosecond and nanosecond laser pulses for separation…

Boron neutron capture therapy is a powerful anti-cancer treatment, the success of which depends heavily on the boron delivery agent. Enabling the real-time tracing of delivery agents as they move through the body is crucial to the further…

We investigated the effects of laser irradiation on sessile droplets of three well-known liquid crystalline 12 materials (5CB, 8CB, E7) deposited on the surface of an iron-doped lithium niobate (LN:Fe) crystal. The static electric 13 field,…

Soft Condensed Matter · Physics 2023-10-02 R. Karapinar , L. Cmok , X. Zhang , I. Drevensek-Olenik

The absorption-ablation-excitation mechanism in laser-cluster interactions is investigated by measuring Rayleigh scattering of aerosol clusters along with atomic emission from phase-selective laser-induced breakdown spectroscopy (PS-LIBS).…

Atomic and Molecular Clusters · Physics 2015-06-23 Yihua Ren , Shuiqing Li , Yiyang Zhang , Stephen D. Tse , Marshall B. Long