We have designed and constructed a superconducting beta spectrometer with a momentum resolution of about 2% and a peak solid angle of 0.5 sr. The performance of the spectrometer is described and the results of calibrations with line sources are presented.
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http://dx.doi.org/10.1063/1.3608454 | DOI Listing |
Materials (Basel)
December 2024
School of Mechanical Engineering, Sichuan University, Chengdu 610064, China.
TB18 is a newly developed high-strength metastable β-titanium alloy, commonly used in aerospace structural materials, which demands high mechanical performance. By altering the alloy's microstructure, heat treatment can affect its mechanical characteristics. The alloy was solution treated for one to four hours at 870 °C in order to examine the impact of solution treatment duration.
View Article and Find Full Text PDFJ Phys Chem Lett
January 2025
State Key Laboratory of Superhard Materials, Key Laboratory of Material Simulation Methods & Software of Ministry of Education, and Jilin Provincial International Cooperation Key Laboratory of High-Efficiency Clean Energy Materials, Jilin University, Changchun 130012, China.
The multicentered bonds present in planar borophene lead to a more complex structure and richer chemical properties. Herein, we use first-principles calculations to investigate the electronic, mechanical, and superconducting properties of various borophene polymorphs, focusing on the newly synthesized β and β phases. Notably, in order to balance and optimize the electron filling of the valence bond orbitals, the planar borophene structure is composed of a mixture of triangular lattices and hexagonal holes with multicentered bonding, which further enhances the stability of the structure and possesses a rare polymorphic property.
View Article and Find Full Text PDFNat Commun
January 2025
Department of Physics and Astronomy, University of Manchester, Manchester, UK.
Unconventional superconductivity, where electron pairing does not involve electron-phonon interactions, is often attributed to magnetic correlations in a material. Well known examples include high-T cuprates and uranium-based heavy fermion superconductors. Less explored are unconventional superconductors with strong spin-orbit coupling, where interactions between spin-polarised electrons and external magnetic field can result in multiple superconducting phases and field-induced transitions between them, a rare phenomenon in the superconducting state.
View Article and Find Full Text PDFAdv Mater
December 2024
College of Physics and Energy, Fujian Normal University, Fuzhou, Fujian, 350117, P. R. China.
Laser-driven projection displays face a critical challenge in developing laser-excitable and high-performance narrowband green emitters. Herein, new AlO-LaMgAlO: Mn (AlO-LMA: Mn) transparent composite ceramics are reported via high-temperature vacuum sintering, which produces a high-color-purity (95.4%) green emission with full width at half maximum of 24 nm and superior thermal and moisture and laser irradiation stability.
View Article and Find Full Text PDFInorg Chem
December 2024
School of Physical Science and Technology, Northwestern Polytechnical University, Xian 710072, China.
In this paper, we have performed a crystal structure screening and properties prediction framework within the noncentrosymmetric AMX system, which arises from the intercalation of elements in transition metal dichalcogenides. After rigorous evaluations of thermodynamic and dynamic stability, we have refined our initial structure pool of 504 crystals to a focused set of 48 promising candidates. Analysis of their electronic properties has revealed that 23 of these crystals exhibit semiconducting behavior.
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