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Theoretical Investigation on the Mechanism and Law of Broadband Terahertz Wave Detection Using Rydberg Quantum State

open access: yesIEEE Photonics Journal, 2022
The bandwidth and sensitivity of traditional terahertz detection devices are limited by material properties and working temperature. Here, we proposed a four-level Rydberg atom detection method, which can realize real-time detection for the absolute ...
Yanchen Zhou   +6 more
doaj   +1 more source

Tunable resistive switching in shales

open access: yesResults in Physics, 2023
Electrically induced resistive switching is a subject of increasing scientific interest because it is a candidate for universal non-volatile memory. We demonstrate resistive switching in a natural reservoir shale.
Xinyang Miao   +5 more
doaj   +1 more source

Terahertz modulation characteristics of three nanosols under external field control based on microfluidic chip

open access: yesiScience, 2022
Summary: Recently, with the widespread application of metamaterials in the terahertz (THz) modulation field, solid-state THz modulators have made breakthrough progress; however, there are still challenges in preparing flexible THz modulators with wide ...
Qinghao Meng   +6 more
doaj   +1 more source

Effect of external magnetic field on terahertz transmission characteristics of electrolyte solution based on microfluidic technology

open access: yesResults in Optics, 2022
In this study, the effect on the terahertz (THz) transmission characteristics was investigated by varying the constant magnetic field time at both ends of the liquid sample (deionized water, CuSO4, CuCl2, (CH3COO) 2Cu, Na2SO4, NaCl, CH3COONa solution ...
Ping Ye   +8 more
doaj   +1 more source

Terahertz spectral properties of glucose and two disaccharides in solid and liquid states

open access: yesiScience, 2022
Summary: The vibrational and rotational frequencies of most biological macromolecules fall within the terahertz (THz) band; therefore, the THz wave has a strong ability to distinguish substances.
Haiyun Huang   +5 more
doaj   +1 more source

Progress in application of terahertz time-domain spectroscopy for pharmaceutical analyses

open access: yesFrontiers in Bioengineering and Biotechnology, 2023
Terahertz time-domain spectroscopy is an analytical method using terahertz time-domain pulses to study the physical and chemical properties of substances.
Shuteng Huang   +3 more
doaj   +1 more source

Using microfluidic technology to measure the terahertz absorption properties of phase-changing thermoregulated emulsions

open access: yesMaterials Research Express, 2022
Phase-changing materials (PCMs) are widely used thermal-energy-storage substances that utilize the absorption and emission of heat during the solid–liquid–solid phase change of a substance to store and release thermal energy, which is closely related to ...
Jing-Yi-Ran Jin   +6 more
doaj   +1 more source

Terahertz Spectroscopy of Tetrameric Peptides [PDF]

open access: yesThe Journal of Physical Chemistry Letters, 2019
Determining the sequence and structure of peptides is crucial for understanding their structure-property relationships. Among many techniques, structures are typically elucidated using nuclear magnetic resonance spectroscopy and single crystal X-ray diffraction measurements.
Jens Neu   +7 more
openaire   +4 more sources

Analytical Terahertz Spectroscopy

open access: yesAnalytical Sciences, 2008
Recent progress in analytical terahertz (THz) spectroscopy is reviewed with illustrative examples showing that it is an effective method for detecting and identifying intermolecular interactions in chemical compounds, such as hydrogen bonds. The unique and characteristic properties of THz waves, their significance to both science and industry, and the ...
UENO, Yuko, AJITO, Katsuhiro
openaire   +3 more sources

Magnetic and Terahertz–Infrared Properties of Nanodispersed Hexaferrite SrxBa(1−x)Fe12O19 Solid Solutions

open access: yesCrystals, 2023
Hexagonal ferrites with the formula SrxBa(1−x)Fe12O19 (x = 0; 0.3; 0.5; 0.7; and 1) were prepared using the citrate method. The main feature of this synthesis is a relatively low calcination temperature of 700 °C.
Andrey Kovalev   +9 more
doaj   +1 more source

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