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Related papers: Molecular Magnetocapacitance

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The ability to manipulate single atoms has opened up the door to constructing interesting and useful quantum structures from the ground up. On the one hand, nanoscale arrangements of magnetic atoms are at the heart of future quantum…

Mesoscale and Nanoscale Physics · Physics 2016-04-20 R. Toskovic , R. van den Berg , A. Spinelli , I. S. Eliens , B. van den Toorn , B. Bryant , J. -S. Caux , A. F. Otte

It was experimentally observed that both magnetic anisotropy and spin-orbit interaction strength change when the magnetization of the nanomagnet is reversed. This indicates a variation in spin-orbit interaction strength depending on whether…

Mesoscale and Nanoscale Physics · Physics 2024-07-10 Vadym Zayets

Using a magnetic resonance force microscope (MRFM), the power emitted by a spin transfer nano-oscillator consisting of a normally magnetized Py$|$Cu$|$Py circular nanopillar is measured both in the autonomous and forced regimes. From the…

Materials Science · Physics 2013-02-20 A. Hamadeh , Grégoire De Loubens , V. V. Naletov , J. Grollier , Ch. Ulysse , V. Cros , O. Klein

We optimized designs of permanent magnet systems to study the effect of magnetic nanoparticles on cell cultures in microslide channels. This produced two designs, one of which is based on a large cylindrical magnet that applies a uniform…

Biological Physics · Physics 2024-01-04 Leon Abelmann , Eunheui Gwag , Baeckkyoung Sung

Anisotropic magnetic molecules can be employed to manipulate charge transport in molecular nanojunctions. Charge transport through a molecular orbital connected to two leads and exchange-coupled with a precessing anisotropic molecular spin…

Mesoscale and Nanoscale Physics · Physics 2025-09-09 Milena Filipovic

The critical step for future quantum industry demands realization of efficient information exchange between different-platform hybrid systems, including photonic and magnonic systems, that can harvest advantages of distinct platforms. The…

Flexible ferromagnetic rings are spin-chain magnets, in which the magnetic and mechanical subsystems are coupled. The coupling is achieved through the tangentially oriented anisotropy axis. The possibility to operate the mechanics of the…

Mesoscale and Nanoscale Physics · Physics 2019-01-09 Yuri Gaididei , Kostiantyn V. Yershov , Denis D. Sheka , Volodymyr P. Kravchuk , Avadh Saxena

The particle size (D) dependence of the effective magnetic anisotropy Keff of magnetic nanoparticles (NPs) usually shows Keff increasing with decreasing D. This dependence is often interpreted using the Eq.: Keff = Kb + (6Ks/D) where Kb and…

Materials Science · Physics 2017-12-04 Sobhit Singh , Kelly L. Pisane , Mohindar S. Seehra

According to the classical laws of magnetism, the shape of magnetically soft objects limits the effective susceptibility. For example, spherical soft magnets cannot display an effective susceptibility larger than 3. Although this is true…

Mesoscale and Nanoscale Physics · Physics 2026-03-02 Mathias Zambach , Miriam Varón , Mads R. Almind , Matti Knaapila , Ziwei Ouyang , Marco Beleggia , Cathrine Frandsen

Artificial ferromagnetic nanofiber networks with new electronic, magnetic, mechanical and other physical properties can be prepared by electrospinning and may be regarded as the base of bio-inspired cognitive computing units. For this…

Materials Science · Physics 2018-10-17 Tomasz Blachowicz , Andrea Ehrmann

It is known that the quantum-mechanical ground state of a nano-scale junction has a significant impact on its electrical transport properties. This becomes particularly important in transistors consisting of a single molecule. Due to strong…

Hard magnets with high coercivity, such as Nd2Fe14B and SmCo5 alloys, can maintain magnetisation under a high reverse external magnetic field and have therefore become irreplaceable parts in many practical applications. Molecular magnets…

We report terahertz spectroscopic measurements of quantum spin dynamics in the spin-1/2 honeycomb magnet Na$_2$Co$_2$TeO$_6$ as a function of applied magnetic field with different terahertz polarizations. Distinct field dependencies of the…

Strongly Correlated Electrons · Physics 2023-10-12 Patrick Pilch , Laur Peedu , Anup Kumar Bera , S. M. Yusuf , Urmas Nagel , Toomas Rõõm , Zhe Wang

High magnetic fields were used to deform spherical nanocapsules, self-assembled from bola-amphiphilic sexithiophene molecules. At low fields the deformation -- measured through linear birefringence -- scales quadratically with the capsule…

We study the quantum capacitance in a topological insulator thin film system magnetized in the in-plane direction in the presence of an out-of-plane magnetic field and hexagonal warping. To first order, the modification in quantum…

Mesoscale and Nanoscale Physics · Physics 2017-04-11 Zhuo Bin Siu , Debashree Chowdhury , Mansoor B. A. Jalil , Banasri Basu

The spin chemical potential characterizes the tendency of spins to diffuse. Probing the spin chemical potential could provide insight into materials such as magnetic insulators and spin liquids and aid optimization of spintronic devices.…

The field of hybrid magnonics has gained significant momentum in recent years, driven by its potential to enable coherent information transfer and quantum transduction. This study delves into the tunable magnon-magnon coupling within a…

Mesoscale and Nanoscale Physics · Physics 2024-11-12 Swapnil Barman , Pratap Kumar Pal , Rajib Kumar Mitra

Frustrated triangular molecular magnets are a very important class of magnetic molecules since the absence of inversion symmetry allows an external electric field to couple directly with the spin chirality that characterizes their ground…

Mesoscale and Nanoscale Physics · Physics 2023-06-14 J. F. Nossa , M. F. Islam , Mark R. Pederson , C. M. Canali

Magnetic switching of a single-molecule magnet (SMM) due to spin-polarized current is investigated theoretically. The charge transfer between the electrodes takes place via the lowest unoccupied molecular orbital (LUMO) of the SMM.…

Mesoscale and Nanoscale Physics · Physics 2007-08-29 Maciej Misiorny , Józef Barnas

Controlling quantum spins using electric rather than magnetic fields promises significant architectural advantages for developing quantum technologies. In this context, spins in molecular nanomagnets offer tunability of spin-electric…