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Investigation of magnetic and transport properties of GdSbSe.
J Phys Condens Matter
January 2025
Department of Chemistry, Indian Institute of Technology Delhi, Indian Institute of Technology Delhi, Hauz Khas, New delhi, New Delhi, Delhi, 110016, INDIA.
We report the detailed investigation of the magnetic, transport, and magnetocaloric effects of GdS- bSe by magnetic susceptibility χ(T ), isothermal magnetization M (H), resistivity ρ(T, H), and heat capacity Cp(T ) measurements, crystallizing in the ZrSiS-type tetragonal crystal system with space group P 4/nmm. Temperature-dependent magnetic susceptibility measurements revealed long-range antiferromagnetic ordering with two additional magnetic anomalies below N´eel temperature (TN ≈ 8.6 K), corroborated through magnetocaloric and specific heat studies.
View Article and Find Full Text PDFOrbital Current Pumping From Ultrafast Light-driven Antiferromagnetic Insulator.
Adv Mater
December 2024
Key Laboratory of Advanced Materials (MOE), School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China.
The orbital Hall effect originating from light materials with weak spin-orbit coupling, has attracted considerable interest in spintronic applications. Recent studies demonstrate that orbital currents can be generated from charge currents through the orbital Hall effect in ferromagnetic materials. However, the generation of orbital currents in antiferromagnets has so far been elusive.
View Article and Find Full Text PDFPost-correctional improvement of T2-weighted fast spin echo magnetic resonance imaging pulse sequence for detecting high intensity focused ultrasound thermal lesions.
Heliyon
November 2024
Department of Physics, Toronto Metropolitan University, 350 Victoria Street, Toronto, ON, Canada.
Article Synopsis
- * The T2-weighted fast spin echo (T2W-FSE) MRI technique is commonly used to visualize HIFU-induced thermal lesions but suffers from issues like ringing artifacts and reduced spatial resolution due to T2 decay effects.
- * By applying an inverse Fourier transform (IFT) multiplication scheme with specially designed filters, researchers improved MRI image quality, resulting in significantly better spatial resolutions and enhanced signal-to-noise ratio in detecting thermal lesions.
Crossover from Conventional to Unconventional Superconductivity in 2M-WS.
Nano Lett
December 2024
Department of Physics and Astronomy, University of Wyoming, Laramie, Wyoming 82071, United States.
Leveraging the reciprocal-space proximity effect between superconducting bulk and topological surface states (TSSs) offers a promising way to topological superconductivity. However, elucidating the mutual influence of bulk and TSSs on topological superconductivity remains a challenge. Here, we report pioneering transport evidence of a thickness-dependent transition from conventional to unconventional superconductivity in 2M-phase WS (2M-WS).
View Article and Find Full Text PDFUnveiling the impact of Ni doping on the structural, electronic, and magnetic properties of nanocrystalline FeCoOspinel oxide: a combined experimental andinvestigations.
J Phys Condens Matter
December 2024
Department of Physics, Indian Institute of Technology Roorkee, Roorkee 247667, Uttarakhand, India.
Article Synopsis
- The study synthesizes nanocrystalline samples of NixFe1-xCo2O4 at varying nickel concentrations via co-precipitation and annealing at 900 °C, revealing different crystallization phases and decreased particle size with more nickel substitution.
- Magnetic properties were analyzed, showing metamagnetic transitions in certain samples and dynamic susceptibility dependent on both nickel content and temperature, indicating complex magnetic states like spin-glass freezing.
- First principles density functional theory calculates suggest these materials exhibit ferrimagnetic and insulating behaviors, with potential applications in spintronics due to their distinctive electronic structures and spin-dependent characteristics.
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