33 citations · 47 across the 18 of their papers we have counts for
22 papers
Direct Production of Ultra-High Radioisotopic Pure Cu from Natural Zinc Metal via D-D Fusion Narrowband Fast Neutron Source Irradiation
Jeremy M. C. Brown, Mantas Grigalavicius, Tibor Gilinger +7
Copper-64 radiopharmaceuticals have seen limited clinical deployment primarily due to the high cost of the isotopically enriched Ni metal required for its production. In thi…
Orientation-selective microwave heating of laser-graphitized diamond at 2.45 GHz
Massimiliano Zamengo, Meguya Ryu, Haoran Mu +6
Pristine diamond couples negligibly to a 2.45 GHz field. We show that femtosecond-laser inscription of a buried graphitic (sp2) architecture makes a 4 x 4 x 2 mm^3 N-doped (100 ppm…
Heating of black-Si by microwaves at 2.45 GHz: effect of nano-needle orientation
Massimiliano Zamengo, Haoran Mu, Hsin-Hui Huang +4
Silicon, which is highly reflective and has negligible absorption at the microwave 2.45 GHz range, can be heated when it is turned into black-Si with a surface texture of nano-need…
Oxidation of Tantalum Nano-Film by Microwave Exposure
Massimiliano Zamengo, Lina Grineviciute, Hsin-Hui Huang +4
Oxidation and ablation of 200 nm tantalum films were carried out by three routes: (i) femtosecond (fs-)laser direct write, (ii) high-temperature annealing (HTA) in a tube furnace,…
Diamond membranes: platform for photonic and opto-mechanical applications
Hsin-Hui Huang, Gediminas Seniutinas, Haoran Mu +8
Diamond 1 - 10 micrometers thick membranes are platform for photonic, quantum and opto-mechanic devices with applications across UV-IR spectral ranges. IR characterization of diamo…
Deformation of Bacterial Cell Membranes by Action of Metal Surface under Plasmon Resonance Condition
Taras Vasyliev, Saulius Juodkazis, Valeri Lozovski
This paper is devoted to studies of the mechanical deformation of the S. aureus cell wall. The bacterium is modelled as a thin elastic membrane containing cytoplasm, which is treat…
UV-enhanced SEM: towards orientation and electron work function imaging
Maciej Kretkowski, Haoran Mu, Hsin-Hui Huang +6
Deep-UV ~ 250 nm (4.96 eV) tilted in-situ co-illumination of the sample under imaging by scanning electron microscope (SEM) is developed at a robust and practical instrument level.…
Olivine annealed up to 1500 C: changes traced by polarised IR reflectance and magnetization
Daniel Smith, Donatas Narbutis, Hsin-Hui Huang +14
Spectral analysis at the infrared (IR) spectral range is introduced with assignment of synthetic red-green-blue (RGB) colours defined by adjustable wavelength and bandwidth. The RG…
Nanoscale Surface Analysis of High Entropy Alloy
Hsin-Hui Huang, Meguya Ryu, Yoshiaki Nishijima +10
Nanoscale surface analysis of 1 micrometer thick high entropy alloys (HEAs) was carried out using nano-IR for hyperspectral imaging and single point spectroscopy in the 700-1700 1/…
High Entropy Alloy under Shock Compression: Optical-Pump X-Ray-Probe
Hsin Hui Huang, Meguya Ryu, Shuji Kamegaki +23
High entropy alloys (HEAs) are multi-principal-element alloys designed for tailorable mechanical performance and have been attracting significant engineering interest, yet their fu…
Structure orientation determined in transmission and reflection: q-plate
Hsin-Hui Huang, Meguya Ryu, Shuji Kamegaki +9
Determination of orientation in the imaged sample/scene has a large application potential when the anisotropy of properties is analysed, usually, under a linearly polarised illumin…
Burst-mode fs-laser direct writing for full-thickness oxidation of Ta thin films
Lina Grineviciute, Hsin-Hui Huang, Haoran Mu +5
Direct fs-laser (1030~nm/200~fs) write of a throughout oxide TaO on a 200~nm Ta film was achieved using a combined ps- and ns- burst mode (Burst-in-Burst or BiB) of fs-…
Ablation of black-Si by (Gauss-)Bessel femtosecond laser beams
Nan Zheng, Hsin-Hui Huang, Nguyen Hoai An Le +7
Laser machining and modification of black-Si (b-Si) by femtosecond laser Gaussian (G-) and Gauss-Bessel (GB-) beams are compared at a wavelength of 1030 nm. The GB-beam was generat…
Anisotropy analysis of bamboo and tooth using 4-angle polarization micro-spectroscopy
Meguya Ryu, Hsin-Hui Huang, Jitraporn Vongsvivut +6
To investigate the anisotropic properties of biomaterials, two distinct classes are considered: polymer-based (e.g., cellulose in plants) and crystalline-based (e.g., enamel in tee…
Exploring Broad-Spectrum Antimicrobial Nanotopographies: Implications for Bactericidal, Antifungal, and Virucidal Surface Design
Vladimir A. Baulin, Denver P. Linklater, Saulius Juodkazis +1
Inspired by the natural defence strategies of insect wings and plant leaves, nanostructured surfaces have emerged as a promising tool in various fields, including engineering, biom…
Bridging Spectroscopy and Advanced Molecular Orientation Analysis with New 4+ Angle Polarization Toolbox in Quasar
Callum Gassner, Jitraporn Vongsvivut, Meguya Ryu +10
Anisotropy plays a critical role in governing the mechanical, thermal, electrical, magnetic, and optical properties of materials, influencing their behavior across diverse applicat…
3D Free-Form Optical Lens -- Miniaturised Fibre Couplers for Astrophotonics
Haoran Mu, Daniel Smith, Tomas Katkus +14
In astronomy, multi-object spectrographs employ fibre positioning robots to couple the light from multiple astronomy sources (stars or galaxies) into multiple multi-mode fibres, wh…
Laser writing and spin control of near infrared emitters in silicon carbide
Zhi-He Hao, Zhen-Xuan He, Jovan Maksimovic +6
Near infrared emission in silicon carbide is relevant for quantum technology specifically single photon emission and spin qubits for integrated quantum photonics, quantum communica…
Bessel-beam direct-write of the etch-mask in a nano-film of alumina for high-efficiency Si solar cells
Tomas Katkus, Soon Hock Ng, Haoran Mu +14
Large surface area applications such as high-efficiency > 26% solar cells require surface patterning with 1-10 micrometers periodic patterns at high fidelity over 1-10 cm^2 areas (…
Interferometric microscale measurement of refractive index at VIS and IR wavelengths
Meguya Ryu, Simonas Varapnickas, Darius Gailevicius +6
Determination of refractive index of micro-disks of a calcinated (C in air) photo-resist SZ2080 was carried out using transmission and reflection spectros…
Determination of Stokes vector from a single image acquisition
Shuji Kamegaki, Meguya Ryu, Soon Hock Ng +4
Four Stokes parameters (1852) define the polarisation state of light. Measured changes of the Stokes vector of light traversing an inhomogeneous sample are linked to the local anis…
Photoluminescence from voids created by femtosecond laser pulses inside cubic-BN
R. Buividas, I. Aharonovich, G. Seniutinas +5
Photoluminescence (PL) from femtosecond laser modified regions inside cubic-boron nitride (c-BN) was measured under UV and visible light excitation. Bright PL at the red spectral r…