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A novel setup for the measurement of magnetic fields external to certain antiferromagnets and generally weakly remanent magnetic materials is presented. The setup features a highly sensitive Super Conducting Quantum Interference Device…

We report a pervasive phenomenon of gradual emergence of negative magnetization in typical $R_{1-x}D_x$MnO$_3$ orthorhombic perovskite manganites in nano form (with $R^{3+}$ being a trivalent high-magnetic-moment ion from the heavier…

Strongly Correlated Electrons · Physics 2021-07-21 Papri Dasgupta , Sanjukta Paul , S. Kumar , Sudhakar Yarlagadda , Chandan Mazumdar

The van der Waals class of materials offer an approach to two-dimensional magnetism as their spin fluctuations can be tuned upon exfoliation of layers. Moreover, it has recently been shown that spin-lattice coupling and long-range magnetic…

Generating high magnetic fields requires materials with not only high electric conductivity, but also good strength properties in order to withstand the necessarily strong Lorentz forces. A number of bi-metal composites, most notably Cu/Nb,…

Materials Science · Physics 2024-10-21 Daniel N. Blaschke , John S. Carpenter , Abigail Hunter

Topologically protected magnetic skyrmions in magnetic materials are stabilized by interfacial or bulk Dzyaloshinskii-Moriya interaction (DMI). Interfacial DMI decays with increase of the magnetic layer thickness in just a few nanometers…

The dynamic magnetic susceptibility of magnetic materials near ferromagnetic resonance (FMR) is very important in interpreting dc-voltage in electrical detection of FMR. Based on the causality principle and the assumption that the usual…

Mesoscale and Nanoscale Physics · Physics 2015-12-08 Yin Zhang , X. S. Wang , H. Y. Yuan , S. S. Kang , H. W. Zhang , X. R. Wang

Millimeter-wavelength polarization measurements offer a promising method for probing the geometry of magnetic fields in circumstellar disks. Single dish observations and theoretical work have hinted that magnetic field geometries might be…

Solar and Stellar Astrophysics · Physics 2015-06-15 A. M. Hughes , C. L. H. Hull , D. J. Wilner , R. L. Plambeck

The Cryogenic Dark Matter search experiment (CDMS) employs low-temperature Ge and Si detectors to detect WIMPs via their elastic scattering of target nuclei. The last analysis with an germanium exposure of 397.8 kg-days resulted in zero…

Instrumentation and Methods for Astrophysics · Physics 2019-08-13 T. Bruch

Diamond operated as a cryogenic calorimeter is an excellent target for direct detection of low-mass dark matter candidates. Following the realization of the first low-threshold cryogenic detector that uses diamond as absorber for…

We present a non-invasive technique for measuring the thermal conductivity of fragile and sensitive materials. In the context of planet formation research, the investigation of the thermal conductivity of porous dust aggregates provide…

Earth and Planetary Astrophysics · Physics 2015-03-17 Maya Krause , Jürgen Blum , Yuri V. Skorov , Mario Trieloff

We present a strategy for the design of ferromagnetic materials with exceptionally low magnetic hysteresis, quantified by coercivity. In this strategy, we use a micromagnetic algorithm that we have developed in previous research and which…

Materials Science · Physics 2021-11-11 Ananya Renuka Balakrishna , Richard D. James

Soft condensed matter physics is the study of materials, such as fluids, liquid crystals, polymers, colloids, and emulsions, that are ``soft" to the touch. This article will review some properties, such as the dominance of entropy, that are…

Condensed Matter · Physics 2009-10-28 T. C. Lubensky

A general method for calculating magnetic susceptibility ($\chi$) in dielectrics within a single choice of magnetic gauge for the whole crystal is presented. On the basis of the method, accounting for all contributions to the Van Vleck…

Materials Science · Physics 2024-10-25 A. V. Nikolaev , I. I. Vlasov , L. L. Tao

Polycrystalline rhodium(IV) oxide perovskite SrRhO3 was obtained by high-pressure synthesis techniques, followed by measurements of the magnetic susceptibility, electrical resistivity, and specific heat. The title compound has five…

Superconductivity · Physics 2009-11-07 K. Yamaura , E. Takayama-Muromachi

We report the results of magnetic measurements on a powder sample of NiCu(pba)(D_2O)_3 \cdot 2D_2O$ (pba=1,3-propylenebis(oxamato)) which is one of the prototypical examples of an $S$=1/2 and 1 ferrimagnetic chain. Susceptibility($\chi$)…

Materials Science · Physics 2016-08-31 Masayuki Hagiwara , Kazuhiko Minami , Yasuo Narumi , Keiji Tatani , Koichi Kindo

The design and development of cutting-edge light materials for extreme conditions including high-speed impact remains a continuing and significant challenge in spite of steady advances. Magnesium (Mg) and its alloys have gained much…

Materials Science · Physics 2022-10-19 Xingsheng Sun

We address the issue of inter-particle dipolar interactions in the context of magnetic hyperthermia. More precisely, the main question dealt with here is concerned with the conditions under which the specific absorption rate is enhanced or…

Mesoscale and Nanoscale Physics · Physics 2017-06-05 J. -L. Déjardin , F. Vernay , M. Respaud , H. Kachkachi

We perform a computational screening for two-dimensional magnetic materials based on experimental bulk compounds present in the Inorganic Crystal Structure Database and Crystallography Open Database. A recently proposed geometric descriptor…

Materials Science · Physics 2020-12-04 Daniele Torelli , Hadeel Moustafa , Karsten W. Jacobsen , Thomas Olsen

This paper presents the hidden magnetization features of ferromagnetic materials: called miamagnetism. As we know, we have several forms of magnetization: the diamagnetism, the paramagnetism, the ferromagnetism etc. The main character of…

Both the in-plane and out-of-plane magnetoresistivities have been measured in the normal state of an optimally doped Bi2Sr2Ca0.8Y0.2Cu2O8+d single crystal with a magnetic field applied parallel and perpendicular to the CuO2 planes. Whatever…

Superconductivity · Physics 2009-10-31 D. Thopart , A. Wahl , A. Maignan , Ch. Simon