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Time-Reversal Symmetry Breaking Superconductivity in HfRhGe: A Noncentrosymmetric Weyl Semimetal.
Adv Mater
December 2024
Department of Physics, Indian Institute of Science Education and Research Bhopal, Bhopal, Madhya Pradesh, 462066, India.
Weyl semimetals are a novel class of topological materials with unique electronic structures and distinct properties. HfRhGe stands out as a noncentrosymmetric Weyl semimetal with unconventional superconducting characteristics. Using muon-spin rotation and relaxation (µSR) spectroscopy and thermodynamic measurements, a fully gapped superconducting state is identified in HfRhGe that breaks time-reversal symmetry at the superconducting transition.
View Article and Find Full Text PDFLiposomal Codelivery of Doxorubicin and Curcumin Sensitizes Antitumor Activity and Reduces Tumor Metastasis.
ACS Appl Bio Mater
December 2024
Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 305-701, Republic of Korea.
Multidrug resistance (MDR) is a major obstacle to traditional cancer treatment using chemotherapeutic agents like doxorubicin (DOX). MDR affects drug dosage regimens and enables the recurrence and metastasis of cancer. Because DOX causes severe side effects at high dosages, it is important to use an MDR modulator to make cancer cells sensitive to DOX.
View Article and Find Full Text PDFBulk and surface Dirac states accompanied by two superconducting domes in FeSe-based superconductors.
Proc Natl Acad Sci U S A
November 2024
Key Laboratory of Quantum Materials and Devices of Ministry of Education, School of Physics, Southeast University, Nanjing 211189, China.
Recent investigations of FeSe-based superconductors have revealed the presence of two superconducting domes and suggest possible distinct pairing mechanisms. Two superconducting domes are commonly found in unconventional superconductors and exhibit unique normal states and electronic structures. In this study, we conducted electromagnetic transport measurements to establish a complete phase diagram, successfully observing the two superconducting domes in FeSeS (0 ≤ ≤ 0.
View Article and Find Full Text PDFTransport phase diagram and anomalous metallicity in superconducting infinite-layer nickelates.
Nat Commun
November 2024
High Field Magnet Laboratory (HFML-FELIX) and Institute for Molecules and Materials, Radboud University, Toernooiveld 7, 6525 ED, Nijmegen, Netherlands.
Article Synopsis
- The study investigates whether high-T cuprates and infinite-layer nickelates share similar interactions affecting their normal and superconducting states, highlighting recent advancements in high-quality nickelate crystals.
- Recent research shows that nickelates have a superconducting dome and comparable transport properties to cuprates, but the normal state behavior in strong magnetic fields needs further exploration.
- Findings from new NdSrNiO films indicate that the normal-state resistivity in infinite-layer nickelates displays non-Fermi-liquid behavior across various doping levels, suggesting both systems share characteristics of a quantum critical phase despite differences in their charge dynamics.
Superconductivity and nematic order in a new titanium-based kagome metal CsTiBi without charge density wave order.
Nat Commun
November 2024
Beijing National Center for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing, PR China.
The cascade of correlated topological quantum states in the newly discovered vanadium-based kagome superconductors, AVSb (A = K, Rb, and Cs), with a Z topological band structure has sparked immense interest. Here, we report the discovery of superconductivity and electronic nematic order in high-quality single-crystals of a new titanium-based kagome metal, CsTiBi, that preserves the translation symmetry, in stark contrast to the charge density wave superconductor AVSb. Transport and magnetic susceptibility measurements show superconductivity with an onset superconducting transition temperature T of approximately 4.
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