Results 51 to 60 of about 27,819,360 (288)

Epiboron Neutron Activation Analysis with Nigeria Research Reactor - 1

open access: yes, 2013
Epiboron neutron activation analysis is optimized using Nigeria Research Reactor-1. Data are given for 6 elements using boron as shielding. Boron shield are of particular practical value for rapid instrumental analysis.
Meludu, O, Usman, A, Seydou, H
core   +1 more source

Miniature Neutron‐Alpha Activation Spectrometer [PDF]

open access: yes, 2002
We are developing a miniature neutron‐alpha activation spectrometer for in‐situ analysis of chem‐bio samples, including rocks, fines, ices, and drill cores, suitable for a lander or Rover platform for Mars or outer‐planet missions.
Rhodes, Edgar   +3 more
core   +1 more source

Unified Pressure and Field Response Across Distinct Charge‐Order Regimes in Ti‐Doped CsV3Sb5

open access: yesAdvanced Functional Materials, EarlyView.
We microscopically investigate the interplay between charge order and superconductivity in a kagome superconductor across regimes of long‐ and short‐range charge order. Hydrostatic‐pressure and magnetic‐field μSR$\mu{\rm SR}$ measurements reveal remarkably similar superconducting and normal‐state time‐reversal‐symmetry‐breaking responses in both ...
P. Kral   +12 more
wiley   +1 more source

Physical basis for prompt-neutron activation analysis [PDF]

open access: yes, 1982
The technique called prompt ..gamma..-ray neutron activation analysis has been applied to rapid materials analysis. The radiation following the neutron radiation capture is prompt in the sense that the nuclear decay time is on the order of 10/sup -15 ...
Chrien, R. E.
core  

Prompt-gamma activation analysis

open access: yes, 1993
A permanent, full-time instrument for prompt-gamma activation analysis is nearing completion as part of the Cold Neutron Research Facility (CNRF).
Lindstrom, R.M.
core   +1 more source

Role of Structural Disorder on Phonon Transport and Thermal Conductivity in Li6PS5Br

open access: yesAdvanced Functional Materials, EarlyView.
Solid electrolytes are fast ion and slow heat conductors. Although both transport properties are governed by lattice dynamics and atomic structure, their interplay remains poorly understood. Here, we study this interrelation in anion‐ordered and disordered Li6PS5Br.
Lukas Ketter   +4 more
wiley   +1 more source

NAC - Neutron activation code [PDF]

open access: yes, 1968
Computer coding program for neutron activation analysis of gamma ray radioactivity for composite ...
Weinstein, S. T.
core  

Unexpected Asymmetric Mn‐Sb Site Mixing and Reentrant Spin‐Glass State of MnSb2Te4

open access: yesAdvanced Functional Materials, EarlyView.
MnSb2Te4 is an intrinsic magnetic topological insulator. Its properties are extraordinarily sensitive to tiny defects, making structural studies essential for understanding how magnetism and topology work together. This work shows that Mn can be unevenly distributed within the crystal and how that disorder is linked to a newly reported spin‐glass state
Gustavo Chavez Ponce de Leon   +7 more
wiley   +1 more source

Atmospheric pollution assessment with mosses in Western Rhodopes, Bulgaria [PDF]

open access: yesJournal of BioScience and Biotechnology, 2016
The moss analysis technique was applied to monitor 10 heavy metals and toxic elements deposition. Our study was the first attempt to assess spatial patterns in a border mountain region (area 8732 km2) with a low population density and high proportion of ...
Gana Gecheva   +6 more
doaj  

GeS as an Emerging OTS Material: Atomic Structure and Modeling of ON/OFF Switching

open access: yesAdvanced Functional Materials, EarlyView.
The structural puzzle of glassy GeS, an advanced memory‐selector material, has finally been disentangled, revealing a patchwork of mixed tetrahedral and trigonal species. Under a high electric field, over‐ and under‐coordinated Ge and S defects, together with three‐membered rings, form an interconnected network associated with localized and extended ...
Andrey Tverjanovich   +13 more
wiley   +1 more source

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