Results 191 to 200 of about 6,090 (227)

Unlocking Klockmannite: Formation of Colloidal Quasi‐2D CuSe Nanocrystals and Photo‐Physical Properties Arising From Crystal Anisotropy

Small, Volume 22, Issue 17, 20 March 2026.
Thiol‐free hot injection approach yields quasi‐2D klockmannite CuSe nanocrystals, specifically nanosheets and uniform triangular nanoplatelets. This study reconsiders the klockmannite from the point of view of crystal anisotropy and demonstrates its effect on plasmonic response in the near‐infrared spectral region with the theoretical emergence of ...
Urvi Parekh, Nadiia Didukh, Samira Dabelstein, Ronja Piehler, Eugen Klein, Jivesh Kaushal, Tobias Korn, Stefan Lochbrunner, Christian Klinke, Stefan Scheel, Rostyslav Lesyuk   +10 more
wiley   +1 more source

Artificial Intelligence in Food Safety: A Tertiary Study

Comprehensive Reviews in Food Science and Food Safety, Volume 25, Issue 2, March 2026.
ABSTRACT Food safety remains a critical factor in preventing contaminated and hazardous products from reaching consumers. The integration of artificial intelligence (AI) and its capacity to deal with vast datasets has significantly enhanced food safety protocols, and a substantial number of primary and secondary studies have emerged at the intersection
Marina Arribas Lopez, Yamine Bouzembrak, Bedir Tekinerdogan   +2 more
wiley   +1 more source

Electronic transparency of internal interfaces in metallic nanostructures comprising light, heavy and ferromagnetic metals measured by terahertz spectroscopy. [PDF]

Nanophotonics
Beermann NS, Fabretti S, Hafez HA, Syskaki MA, Kononenko I, Jakob G, Kläui M, Turchinovich D.   +7 more
europepmc   +1 more source

Comprehensive Similarity Algorithm and Molecular Dynamics Simulation-Assisted Terahertz Spectroscopy for Intelligent Matching Identification of Quorum Signal Molecules (N-Acyl-Homoserine Lactones). [PDF]

Int J Mol Sci
Zhang L, Kong X, Qu F, Chen L, Li J, Jiang Y, Wang C, Zhang W, Yang Q, Ye D.   +9 more
europepmc   +1 more source

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Spin-resolved terahertz spectroscopy

2016 41st International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz), 2016
As such, terahertz spectroscopy cannot resolve the spin structure of conducting particles. Here we introduce the spin sensitivity to terahertz spectroscopy by using the spin-valve configuration of the sample. As a result, the number density and momentum scattering time of conduction electrons in a ferromagnetic metal can be resolved according to their ...
Turchinovich, D., Jin, Z., Kampfrath, T., Kläui, M., Bonn, M.   +4 more
openaire   +3 more sources

Nonlinear terahertz spectroscopy

SPIE Proceedings, 2010
Our recent development of a simple and reliable method to generate terahertz (THz) pulses with high intensities (equivalent to high electric field amplitudes) has paved the way for nonlinear optics in the THz regime. We present experiments on bulk n-type GaAs which give new insights into phenomena like Bloch oscillations and Zener tunneling in bulk ...
Michael Woerner, Wilhelm Kuehn, Klaus Reimann, Thomas Elsaesser, Rudolf Hey   +4 more
openaire   +1 more source

Broadband Terahertz Spectroscopy

2021
Terahertz (THz) spectroscopy is a non-contact technique to probe properties and dynamics of molecules and materials in the meV energy range and picosecond timescales. This chapter describes different popular methods of generation and detection of broadband THz pulses, experimental technique, and data analysis procedures of THz time-domain and time ...
Sneha Banerjee, Gurivireddy Yettapu, Sohini Sarkar, Pankaj Mandal   +3 more
openaire   +1 more source

Terahertz Spectroscopy

2017
Preface Instrumentation and Methods Terahertz Time-Domain Spectroscopy with Photoconductive Antennas R. Alan Cheville Nonlinear Optical Techniques for Terahertz Pulse Generation and Detection-Optical Rectification and Electrooptic Sampling Ingrid Wilke and Suranjana Sengupta Time-Resolved Terahertz Spectroscopy and Terahertz Emission Spectroscopy Jason
openaire   +1 more source

Terahertz Spectroscopy of Plasmonic Fractals

Physical Review Letters, 2009
We use terahertz time-domain spectroscopy to study the transmission properties of metallic films perforated with aperture arrays having deterministic or stochastic fractal morphologies ("plasmonic fractals"), and compare them with random aperture arrays.
A, Agrawal, T, Matsui, W, Zhu, A, Nahata, Z V, Vardeny   +4 more
openaire   +2 more sources

“All air–plasma” terahertz spectroscopy

Optics Letters, 2011
We demonstrate terahertz wave generation and detection capabilities up to 6 THz without the need for solid state materials, biased electrodes, or forward propagating signal collection. An "all air-plasma" terahertz system is used to encode explosive material resonant signatures into the 357 nm nitrogen fluorescence line of a bichromatic field-induced ...
Benjamin, Clough, Jingle, Liu, X-C, Zhang   +2 more
openaire   +2 more sources