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Norwood Procedure for Hypoplastic Left Heart With Anomalous Coronary Artery From Pulmonary Trunk.
Ann Thorac Surg Short Rep
September 2024
Department of Pediatric Cardiac Surgery, National Cerebral and Cardiovascular Center, Osaka, Japan.
Undetected coronary anomalies at Norwood procedure are associated with poor prognosis due to inadequate myocardial protection. We report a case of anomalous origin of the right coronary artery from the main pulmonary artery trunk with hypoplastic left heart syndrome and aortic atresia. Although, during bilateral pulmonary artery banding as initial palliation, the proximity between the right coronary artery origin and the aortic root made a visual diagnosis difficult, it was diagnosed using computed tomography before the Norwood procedure.
View Article and Find Full Text PDFRecent Advances in Two-Dimensional Ferromagnetic Materials-Based van der Waals Heterostructures.
ACS Nano
January 2025
School of Chemistry, Beihang University, Beijing 100191, China.
Two-dimensional (2D) ferromagnetic materials are subjects of intense research owing to their intriguing physicochemical properties, which hold great potential for fundamental research and spintronic applications. Specifically, 2D van der Waals (vdW) ferromagnetic materials retain both structural integrity and chemical stability even at the monolayer level. Moreover, due to their atomic thickness, these materials can be easily manipulated by stacking them with other 2D vdW ferroic and nonferroic materials, enabling precise control over their physical properties and expanding their functional applications.
View Article and Find Full Text PDFMagnetic-proximity-induced anomalous Hall effect at the EuO/SbTeinterface.
J Phys Condens Matter
January 2025
Department of Physics, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India.
Time-reversal symmetry breaking of a topological insulator phase generates zero-field edge modes which are the hallmark of the quantum anomalous Hall effect (QAHE) and of possible value for dissipation-free switching or non-reciprocal microwave devices. But present material systems exhibiting the QAHE, such as magnetically doped bismuth telluride and twisted bilayer graphene, are intrinsically unstable, limiting their scalability. A pristine magnetic oxide at the surface of a TI would leave the TI structure intact and stabilize the TI surface, but epitaxy of an oxide on the lower-melting-point chalcogenide presents a particular challenge.
View Article and Find Full Text PDFConfined Magnetization at the Sublattice-Matched Ruthenium Oxide Heterointerface.
Small
November 2024
Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China.
Creating a heterostructure by combining two magnetically and structurally distinct ruthenium oxides is a crucial approach for investigating their emergent magnetic states and interactions. Previously, research has predominantly concentrated on the intrinsic properties of the ferromagnet SrRuO and recently discovered altermagnet RuO solely. Here, the study engineers an ultrasharp sublattice-matched heterointerface using pseudo-cubic SrRuO and rutile RuO, conducting an in-depth analysis of their spin interactions.
View Article and Find Full Text PDFRoom-Temperature Ferromagnetism with Strong Spin-Orbit Coupling Achieved in CaRuO Interfacial Phase via Magnetic Proximity Effect.
ACS Nano
November 2024
Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China.
Recently, theoretical and experimental research predicted that ferromagnets with strong spin-orbit coupling (SOC) could serve as spin sources with dramatically enhanced spin-orbit torque (SOT) efficiency due to the combination of spin Hall effect and anomalous Hall effect (AHE), presenting potential advantages over conventional nonmagnetic heavy metals. However, materials with a strong SOC and room-temperature ferromagnetism are rare. Here, we report on a ferromagnetic (FM) interfacial phase with Curie temperature exceeding 300 K in the heavy transition-metal oxide CaRuO, in proximity to LaSrMnO.
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