Results 61 to 70 of about 27,819,360 (288)

Neutron Activation Analysis as an Analytical Tool

open access: yesCHIMIA, 1960
In vielen Ländern werden heute Kernreaktoren zu Forschungszwecken erbaut. Diese Reaktoren geben dem Analytiker Mittel zur Durchführung außerordentlich empfindlicher Anylasenmethoden in die Hand.
D. Mapper
doaj   +1 more source

Neutron/Gamma Mixed Spectrum Radiolysis-based Aqueous Dosimetry [PDF]

open access: yes, 2007
This work develops a method to use an aqueous dosimeter in a mixed radiation field to determine separate measurements of neutron and gamma dose. Based on radiolysis of both Fricke and Methyl Viologen (MV) solutions, activation analysis and reactor ...
Setter, Timothy
core  

Neuromorphic Devices for Extreme Environments: State‐Variable Reliability and Stabilization Strategies

open access: yesAdvanced Functional Materials, EarlyView.
Neuromorphic devices for extreme environments are interpreted through the physical states that store and process information. Radiation, temperature extremes, and vacuum can perturb vacancies, filaments, trapped charges, polarization, interfaces, and readout signals.
Taehyun Park   +7 more
wiley   +1 more source

Tantalum–Palladium Ultrathin Resistance Hydrogen Sensor

open access: yesAdvanced Functional Materials, EarlyView.
Nanoconfined Ta‐alloy thin films enable fast, reversible hydrogen sensing by suppressing unwanted phase transitions. A Ta0.88${\rm Ta}_{0.88}$Pd0.12${\rm Pd}_{0.12}$ sensing layer delivers hysteresis‐free detection from ppb to 100% H2${\rm H}_2$ at room temperature.
Folkert Isaäc Bernhard Straus   +2 more
wiley   +1 more source

Neutron Activation Analysis characterization procedures for fish consumed at São Paulo City

open access: yesBrazilian Journal of Radiation Sciences, 2019
The characterization of edible tissues of fishes consumed by humans is very important for determination of several toxic and potentially toxic elements, ensuring the food safety.
Bruno Tappiz, Edson Gonçalves Moreira
doaj   +1 more source

Generating Unconventional Spin‐Orbit Torques With Patterned Phase Gradients in Tungsten Thin Films

open access: yesAdvanced Materials, EarlyView.
ABSTRACT A key aim in spintronics is to achieve current‐induced magnetization switching via spin‐orbit torques without external magnetic fields. For this, the focus of recent work has been on introducing controlled lateral gradients across ferromagnet/heavy‐metal devices, giving variations in thickness, composition, or interface quality.
Lauren J. Riddiford   +9 more
wiley   +1 more source

Emergent Spin Supersolids in Frustrated Quantum Materials

open access: yesAdvanced Materials, EarlyView.
This review highlights developments in the study of spin super‐solids in frustrated quantum materials. Advanced experimental characterizations and computational studies enable a comprehensive understanding of the driving mechanisms of spin super‐solidity in various layered transition‐metal compounds, bridging materials, experiments, and theory aspects.
Yixuan Huang   +2 more
wiley   +1 more source

Study of D-D neutron generator radiation protection based on Monte Carlo method

open access: yes四川大学学报. 自然科学版, 2023
The deuterium-deuterium(D-D) neutron generator is a common neutron source for fast neutron activation analysis. It has broad application prospects in the field of neutron technology applications, such as neutron photography, neutron activation analysis ...
XU Hao-Bo   +3 more
doaj  

Interface‐Mediated Catalysis for Improved Hydrogen Storage in Reactive Hydride Composites

open access: yesAdvanced Materials, EarlyView.
Catalyst–hydride interfaces are engineered in Co@C‐ and Ni@C‐modified 2LiH + MgB2 reactive hydride composites to accelerate hydrogen uptake and release. Multiscale scattering, in‐situ synchrotron radiation powder x‐ray diffraction and density functional theory calculations reveal the structural and electronic origin of the catalytic enhancement ...
Yuanyuan Shang   +12 more
wiley   +1 more source

Radiochemistry as applied to geochemical problems: Neutron activation analysis [PDF]

open access: yes, 1972
The use of neutron activation for analysis of geochemical samples is discussed and reports on research in this area ...
Mcdonald, J. Y.
core  

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