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Magnetochiral charge pumping due to charge trapping and skin effect in chirality-induced spin selectivity.
Nat Commun
January 2025
Department of Condensed Matter Physics, Weizmann Institute of Science, Rehovot, Israel.
Chirality-induced spin selectivity (CISS) generates giant spin polarization in transport through chiral molecules, paving the way for novel spintronic devices and enantiomer separation. Unlike conventional transport, CISS magnetoresistance (MR) violates Onsager's reciprocal relation, exhibiting significant resistance changes when reversing electrode magnetization at zero bias. However, its underlying mechanism remains unresolved.
View Article and Find Full Text PDFMultiphase superconductivity in PdBi.
Nat 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 PDFStretchable and adhesive bilayers for electrical interfacing.
Mater Horiz
January 2025
State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, 710049, P. R. China.
Integrated stretchable devices, containing soft modules, rigid modules, and encapsulation modules, are of potential use in implantable bioelectronics and wearable devices. However, such systems often suffer from electrical deterioration due to debonding failure at the connection between rigid and soft modules induced by severe stress concentration, limiting their practical implementation. Here, we report a highly conductive and adhesive bilayer interface that can reliably connect soft-soft modules and soft-rigid modules together by simply pressing without conductive pastes.
View Article and Find Full Text PDF[Mitochondrial transfer contributes to the odontogenic differentiation of dental mesenchymal stem cells].
Zhonghua Kou Qiang Yi Xue Za Zhi
January 2025
Department of Implantology, Stomatological Hospital and Dental School, Tongji University & Shanghai Engineering Research Center of Tooth Restoration and Regeneration & Tongji Research Institute of Stomatology, Shanghai200072, China.
Article Synopsis
- The study aimed to explore mitochondrial transfer in dental mesenchymal stem cells (MSCs) and its impact on their ability to differentiate into odontogenic cells.
- Flow cytometry, immunostaining, and advanced imaging techniques were utilized to analyze the presence and significance of mitochondrial transfer in these cells, revealing its role in promoting odontogenic differentiation.
- The research found evidence of mitochondrial transfer through structures called tunneling nanotubes (TNTs) and showed that inhibiting this transfer affected key differentiation markers and gene expression related to odontogenesis.
Chirality induced spin selectivity in electron transport investigated by scanning probe microscopy.
J Phys Condens Matter
December 2024
Peking University, Center for Carbon - based Electronics and Key Laboratory for the Physics and Chemistry of Nanodevices, School of Electronics, Beijing, 100871, CHINA.
Chirality induced spin selectivity (CISS) effect implies the relationship between chirality and magnetism, attracting extensive attention in the fields of physics, chemistry and biology. Since it was first discovered with photoemission method in 1999, the CISS effect has been investigated and measured by a variety of methods. Among different means of measurements, scanning probe microscopy (SPM) as a powerful tool to explore the CISS effect, can directly measure and present the spin filtering property of chiral molecules in electron transport.
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