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Systematic Investigations of the Solid Solution Zr(V1-xAlx)2 Adopting the Laves Phase Structures.
Chemistry
December 2024
Universität des Saarlandes: Universitat des Saarlandes, Institut für Anorganische und Analytische Chemie, 48149, Saarbrücken, GERMANY.
Laves phases are an interesting field of research when it comes to structural chemistry and physical properties. Investigations of the ternary system Zr-V-Al showed, in contrast to the system Hf-V-Al, that no superstructures can be observed within the solid solution Zr(V1-xAlx)2. High values of x form aluminum rich phases that adopt the hexagonal MgZn2 type structure while low values of x lead to vanadium rich phases that adopt the cubic MgCu2 type.
View Article and Find Full Text PDFPrinted Thin Magnetic Films via Ternary Hybrid Diblock Copolymer Films Containing Magnetic Iron Oxide and Nickel Nanoparticles.
ACS Appl Mater Interfaces
December 2024
TUM School of Natural Sciences, Department of Physics, Chair for Functional Materials, Technical University of Munich, James-Franck-Street 1, 85748 Garching, Germany.
Ternary hybrid thin films composed of a diblock copolymer templating two types of nanoparticles (NPs) expand the functionality of binary systems, which renders them interesting for magnetic sensing or magnetic data storage applications. Herein, one-pot slot-die printed hybrid polystyrene--poly(methyl methacrylate) (PS--PMMA) thin films are prepared with iron oxide (magnetite, FeO, = 20 nm) and nickel NPs (Ni, = 46 nm) in one step by the advanced slot-die coating technique, which facilitates upscaling of fabrication. The evolution of the hybrid film morphology is probed with in situ grazing-incidence small-angle X-ray scattering and compared to that of a PS--PMMA thin film without NPs.
View Article and Find Full Text PDFUnveiling nodeless unconventional superconductivity proximate to honeycomb-vacancy ordering in the Ir-Sb binary system.
Commun Phys
November 2024
PSI Center for Neutron and Muon Sciences CNM, 5232 Villigen PSI, Switzerland.
Vacancies in solid-state physics are underexplored in materials with strong electron-electron correlations. Recent research on the Ir-Sb binary system revealed an extended buckled-honeycomb vacancy (BHV) order. Superconductivity arises by suppressing BHV ordering through high-pressure growth with excess Ir atoms or Rh substitution, yet the superconducting pairing nature remains unknown.
View Article and Find Full Text PDFMonitoring the Energy of a Cavity by Observing the Emission of a Repeatedly Excited Qubit.
Phys Rev Lett
October 2024
Ecole Normale Supérieure de Lyon, CNRS, Laboratoire de Physique, F-69342 Lyon, France.
The number of excitations in a large quantum system (harmonic oscillator or qudit) can be measured in a quantum nondemolition manner using a dispersively coupled qubit. It typically requires a series of qubit pulses that encode various binary questions about the photon number. Recently, a method based on the fluorescence measurement of a qubit driven by a train of identical pulses was introduced to track the photon number in a cavity, hence simplifying its monitoring and raising interesting questions about the measurement backaction of this scheme.
View Article and Find Full Text PDFSuperconductivity in Diamond-Like BC.
Inorg Chem
October 2024
State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao 066004, China.
Advancing the compositional space of a compound class can result in intriguing superconductors, such as LaH. Herein, we performed a comprehensive first-principles structural search on a binary B-C system with various chemical compositions. The identified diamond-like BC, named -BC, is thermodynamically superior to the synthesized BC and BC.
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