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Ferromagnetic Fe-TiO spin catalysts for enhanced ammonia electrosynthesis.
Nat Commun
January 2025
Key Laboratory of Luminescence and Optical Information, Ministry of Education, School of Physical Science and Engineering, Beijing Jiaotong University, Beijing, 100044, China.
Magnetic field effects (MFE) of ferromagnetic spin electrocatalysts have attracted significant attention due to their potential to enhance catalytic activity under an external magnetic field. However, no ferromagnetic spin catalysts have demonstrated MFE in the electrocatalytic reduction of nitrate for ammonia (NORR), a pioneering approach towards NH production involving the conversion from diamagnetic NO to paramagnetic NO. Here, we report the ferromagnetic Fe-TiO to investigate MFE on NORR.
View Article and Find Full Text PDFMagnetically Diluted Dy and Yb Squarates Showing Relaxation Tuning and Matrix Dependence.
Molecules
January 2025
Department of Engineering Science, The University of Electro-Communications, Chofu 182-8585, Tokyo, Japan.
A new compound [Y(sq)(HO)] (Y-sq; sq = squarate (CO)) was prepared and structurally characterized. Since the RE-sq family (RE = Y, Dy, Yb, Lu) gave isostructural crystals, the objective of this study is to explore the effects of diamagnetic dilution on the SIM behavior through systematic investigation and comparison of diamagnetically diluted and undiluted forms. The 1%-Diluted Dy compounds, Dy@Y-sq and Dy@Lu-sq, showed AC magnetic susceptibility peaks without any DC bias field (), whereas undiluted Dy-sq showed no AC out-of-phase response under the same conditions.
View Article and Find Full Text PDFVarious Sizes and Shapes of Mixed-Anion Fe(NHtrz)(BF)(SiF)@SiO Nanohybrid Particles Undergoing Spin Crossover Just Above Room Temperature.
Nanomaterials (Basel)
January 2025
Laboratoire de Chimie de Coordination, CNRS & Université de Toulouse (UPS, INP), 31077 Toulouse, France.
Spin crossover (SCO) iron (II) coordination compounds in the form of nanohybrid SCO@SiO particles were prepared using a reverse micelles technique based on the TritonX-100/cyclohexane/water ternary system. Tetraethyl orthosilicate (TEOS) acts as precursor of both the SiF counter-anion and SiO to obtain Fe(NHtrz)(BF)(SiF)@SiO nanoparticles with different sizes and morphologies while modifying the TEOS concentration and reaction time. The adjustable mixed-anion strategy leads to a range of quite scarce abrupt spin crossover behaviors with hysteresis just above room temperature (ca.
View Article and Find Full Text PDFThe effect of physical cues on platelet storage lesion.
Hematology
December 2025
Department of Blood Transfusion, First Affiliated Hospital, Third Military Medical University (Army Medical University), Chongqing, People's Republic of China.
Background: Platelet concentrates play an important role in clinical treatment such as platelet function disorders and thrombocytopenia. In the process of preparation and storage of platelets, centrifugation, leukofiltration, and agitation will cause morphological changes and impaired function of platelets, which is associated with the increase of platelet transfusion refractoriness, and named as platelet storage lesion (PSL).
Method: This paper proposes three major operations (centrifugation, agitation, and leukofiltration) that platelets experience during the preparation and storage process, to explore the effect of physical cues on PSL.
First principles design of multifunctional spintronic devices based on super narrow borophene nanoribbons.
Sci Rep
January 2025
Shandong Key Laboratory of Medical Physics and Image Processing & Shandong Provincial Engineering and Technical Center of Light Manipulations, School of Physics and Electronics, Shandong Normal University, Jinan, 250358, China.
Borophene, as a new material with various configurations, has attracted significant research attention in recent years. In this study, the electronic properties of a series of χ-type borophene nanoribbons (BNRs) are investigated using a first-principles approach. The results show that the width and edge pattern of the nanoribbons can effectively tune their electronic properties.
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