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Related papers: Mixed-Valence Tetranuclear Manganese Single-Molecu…

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In 2016, we reported a single-ion magnet [Dy(bbpen)Br] with an energy barrier over 1000 K. Here a dimeric [Dy2(mu-CO3)(bbpen)2(H2O)].H2O.CH3OH (1) and a trimeric [Dy3(mu3-CO3)(bppen)3](CF3SO3).H2O (2) single-molecule magnets (SMMs) were…

Materials Science · Physics 2018-07-17 Guang Lu , Yan-Cong Chen , Si-Guo Wu , Guo-Zhang Huang , Jun-Liang Liu , Zhao-Ping Ni , Ming-Liang Tong

The synthesis of molecular magnets has undergone rapid progress in recent years. Each of the identical molecular units can contain as few as two and up to several dozens of paramagnetic ions (spins). Although these materials appear as…

Strongly Correlated Electrons · Physics 2009-11-11 J. Schnack

We investigate the structural and magnetic properties of two molecule-based magnets synthesized from the same starting components. Their different structural motifs promote contrasting exchange pathways and consequently lead to markedly…

Single-molecule technology stands as a powerful tool, enabling the characterization of intricate structural and dynamic information that would otherwise remain concealed within the averaged behaviors of numerous molecules. This technology…

Quantum Physics · Physics 2025-01-08 Jiangfeng Du , Fazhan Shi , Xi Kong , Fedor Jekezko , Jörg Wrachtrup

Heterogeneous magnetic superconducting systems (HMSS) represent a new class of nanostructures. They are made of ferromagnetic (FM) and superconducting (SC) pieces separated by thin layers of insulating oxides. In contrast to the case of a…

Superconductivity · Physics 2007-05-23 Serkan Erdin

Large single crystals of the new compound SrMn$_2$V$_2$O$_8$ have been grown by the floating-zone method. This transition-metal based oxide is isostructural to SrNi$_2$V$_2$O$_8$, described by the tetragonal space group $I4_1cd$. Magnetic…

Strongly Correlated Electrons · Physics 2011-07-28 Sandra K. Niesen , Oliver Heyer , Thomas Lorenz , Martin Valldor

The main-sequence mercury-manganese (HgMn) stars are known to exhibit large overabundances of exotic elements and, similar to magnetic Ap/Bp stars, are spectrum variables, implying the presence of an inhomogeneous element distribution over…

Solar and Stellar Astrophysics · Physics 2020-04-29 S. Hubrig , S. P. Jarvinen , H. Korhonen , I. Ilyin , M. Schöller , E. Niemczura , S. D. Chojnowski

The magnetic state of the single-component molecular compound, [Cu(tmdt)$_{2}$], is investigated by means of $^{1}$H-NMR. An abrupt spectral broadening below 13 K and a sharp peak in nuclear spin-lattice relaxation rate, $T_{1}^{-1}$, at 13…

Strongly Correlated Electrons · Physics 2012-05-31 Rina Takagi , Kazuya Miyagawa , Kazushi Kanoda , Biao Zhou , Akiko Kobayashi , Hayao Kobayashi

In light of the potential use of single-molecule magnets (SMMs) in emerging quantum information science initiatives, we report first-principles calculations of the magnetic exchange interactions in [$\mathrm{Mn}_{3}$]$_{2}$ dimers of…

Materials Science · Physics 2020-01-06 Jie-Xiang Yu , George Christou , Hai-Ping Cheng

Developing high-performance cathode materials for magnesium-ion batteries (MIBs) remains challenging because Mg$^{2+}$ ions move slowly, and conventional materials exhibit low voltage outputs. In this study, machine learning and…

Materials Science · Physics 2026-05-13 Jhon Rogelnor A. Florida , Edward Aris D. Fajardo

MXenes are rapidly emerging two-dimensional (2D) materials with thickness, composition, and functionalization-dependent outstanding properties having applications in diverse fields. To disclose nano-spintronic applications of 2D-double…

Materials Science · Physics 2022-11-03 Kripa Dristi Dihingia , Swagata Saikia , N. Yedukondalu , Supriya Saha , G. Narahari Sastry

The investigation of crystallographic, electronic, and magnetic characteristics, especially the mixed valences of Eu$^{2+}$ and Eu$^{3+}$ under pressure of a novel europium-based bismuth selenide compound, Eu$_4$Bi$_6$Se$_{13}$, presented.…

In this work, we conduct a systematic investigation of the electromagnetic properties, specifically the magnetic moments and the M1 radiative decay behavior, of the predicted $\Xi_c^{(',*)}D^{(*)}_s$-type double-charm hidden-strangeness…

High Energy Physics - Phenomenology · Physics 2026-04-17 Sheng-He Zhu , Fu-Lai Wang , Xiang Liu

The mono-layer hydrate (Ni-MLH) Na0.3NiO2 0.7H2O was synthesized with an average Ni valence close to one in the bi-layer hydrate (Ni-BLH) Na0.3NiO2 1.3H2O. A weak unsaturated ferromagnetism and divergence of the magnetic susceptibilities of…

Materials Science · Physics 2007-05-23 S. Park , W. -S. Yoon , T. Vogt

We propose a nonequilibrium Monte Carlo (MC) approach to explore nonequilibrium dynamical ferromagnetism of interacting single molecule magnets (SMMs). Both quantum spin tunneling and thermally activated spin reversal are successfully…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Gui-Bin Liu , Bang-Gui Liu

Magnetic and magnetocaloric properties of polycrystalline samples of Gd1-xSmxMn2Ge2 have been studied. All the compounds except GdMn2Ge2 show re-entrant ferromagnetic behavior. Multiple magnetic transitions observed in these compounds are…

Materials Science · Physics 2009-11-13 Pramod Kumar , Niraj K. Singh , K. G. Suresh , A. K. Nigam , S. K. Malik

Chromium trihalides (CrX$_3$, with $\rm{X=I,Br,Cl}$) are layered ferromagnetic materials with rich physics and possible applications. Their structure consists of magnetic Cr atoms positioned between two layers of halide atoms. The choice of…

The spin-wave spectrum in the metallic ferromagnetic lantha-num cubic manganites was investigated. The interactions with four coordination spheres (32 neighbors) were taken into ac-count. The Heisenberg superexchange between all manganese…

Strongly Correlated Electrons · Physics 2008-05-21 B. V. Karpenko , A. V. Kuznetzov

Through analysis of variable temperature neutron powder diffraction data, we present solutions for the magnetic structures of SrMn$_7$O$_{12}$, CdMn$_7$O$_{12}$, and PbMn$_7$O$_{12}$ in all long-range ordered phases. The three compounds…

Strongly Correlated Electrons · Physics 2017-09-06 R. D. Johnson , D. D. Khalyavin , P. Manuel , P. G. Radaelli , I. S. Glazkova , N. Terada , A. A. Belik

We investigate the bulk magnetic, electron paramagnetic resonance, and magneto-optical properties of {Ni4Mo12}, a magnetic molecule with antiferromagnetically coupled tetrahedral {Ni4Mo12} in a diamagnetic molybdenum matrix. The…