a Comparison of the 5 K magnetic hysteresis loops of the B-site cation-deficient 9-u.c. LAO layers, grown on TiO 2-terminated STO(001) and LAO(001) substrates using a low laser fluence, E g = ~0.6 ...
Clusters showing a giant magnetocaloric effect (MCE) are of interest as molecular coolants for magnetic refrigeration. Herein, we report two heterometallic …
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The Supporting Information is available free of charge on the ACS Publications website at DOI: 10.1021/acs.nanolett.6b03052. Calculated Raman modes of 1L FePS 3 with antiferromagnetic order. Polarized Raman spectra of bulk FePS 3 in the extended spectral range. Temperature dependence of P 1 components in bulk FePS 3.
By contrast, magnetic transition-metal ordering requires partially filled 3d shells — the contradiction is obvious. This realization triggered an intensive search for materials in which ...
The magnetic ordering momentums (wave vectors) are the momentums at which the spin structural factor diverges (in the thermodynamic limit).. Let $mathbf{S}(mathbf{r})$ be the spin operator at position $mathbf{r}$ in the material, the spin structural factor is defined as the Fourier transformation of the spin-spin correlation …
@article{osti_1606826, title = {Tunable magnetic ordering through cation selection in entropic spinel oxides}, author = {Musico, Brianna L. and Wright, Quinton and Ward, Zac and Grutter, Alexander and Arenholz, Elke and Gilbert, Dustin and Mandrus, David and Keppens, Veerle}, abstractNote = {Twelve multicomponent spinels, …
Subjects. Date. Title. Continuum double-exchange model. Publication. Physical Review B: Solid State May 1999. 1999PhRvB..5911418R ... Romän, J.M. and Soto, J. Subjects. Exchange and superexchange interactions, General theory and models of magnetic ordering, Spin arrangements in magnetically ordered materials, Spontaneous and …
Abstract. Magnetic Ordering In article number 2206161, Jason D. Azoulay and co‐workers demonstrate that long‐range π‐correlations within a solution‐processed high‐spin conjugated ...
Both chemical and magnetic ordering are accompanied by distortion of the crystal. For example, when an alloy of Fe and Pt of equiatomic composition is cooled down from a high-temperature solid-solution, a chemical ordering begins to occur in the fcc structure at 1280 °C to form the layer-by-layer arrangement shown in Figure 24, the L1 0 structure. As this …
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Strong magnetic coupling between spins in energetically similar orbitals of Cr II and pz engenders the unprecedented ordering temperature, and magnetic anisotropy gives rise to magnetic hysteresis ...
The ordering of magnetic moments in about 60 compounds containing M=Cr, Mn, Fe, Co, Ni, Pd, rare earths or U is analyzed by the self-coordination numbers of nearest, second and third neighbor positions T 1, T 2, T 3 and the ratio r=y/x of the equivalent positions x and remaining positions y.The plot of T 1, T 2 values for primitive …
CeZnGe crystallizes with the hexagonal YPtAs-type structure, space group P63/mmc, a = 430.0(2), c = 1678.8(10) pm. A phase-pure sample was synthesized from the elements in a sealed tantalum crucible in a high-frequency furnace. Magnetic susceptibility measurements have revealed a trivalent cerium with an experimental magnetic moment …
SUBJECTS. Publications: All Types. Download Hi-Res Image Download to MS-PowerPoint Cite This: J. Am. Chem. Soc. 1999, 121, 23, 5593-5594. ADVERTISEMENT. ... Pressure Dependence of the Magnetic Ordering Temperature (Tc) for the Na2Mn[Mn(CN)6] Noncubic Prussian Blue Analogue.
Electron paramagnetic resonance (EPR) spectroscopy is consistent with spatially localized spins, while magnetic susceptibility measurements show clear anisotropic spin ordering and exchange interactions that persist at room temperature. The application of long-range π-correlations for spin center generation promotes remarkable …
It has been suggested that MnPSe 3 possesses a very small, but non-negligible, interlayer magnetic coupling 31,38 such that long range magnetic ordering, as observed in bulk samples at ...
Now, a mixed-valent chromium–triazolate material has been prepared that exhibits itinerant ferromagnetism with a magnetic ordering temperature of 225 K, a high conductivity and large negative ...
Uranium(IV) 5f2 magnetism is dominated by a transition from a triplet to a singlet ground state at low temperatures. For the first time, we achieved magnetic ordering of U(IV) atoms in a complex fluoride through the incorporation of 3d transition metal cations. This new route allowed us to obtain an unprecedented series of U(IV) ferrimagnetic materials …
Theory predicts that room-temperature magnetic order could be initiated along the edges and within relatively small 1-D and 2-D regions of functionalized graphene 3, 16. By changing the surface ...
magnetic ordering, with two superimposed electron spins (shown in red and blue in the image) adopting opposing orientations and rotating in space, whereas it was previously assumed that this ...
The magnetic properties indicate that these compds. behave as magnets exhibiting a long-range ferrimagnetic ordering at ca. 11 K, while the inserted Fe(III) cations remain in the high-spin state. As for graphene, these layered materials can be exfoliated in atomically-thin layers with heights down to 2 nm by using the well-known Scotch tape method.
The assumption of an elementary superexchange mechanism yields a magnetic-coupling constant in good agreement with the experimental ordering temperature. (Color online) Hexagonal Yb 3 Pt 4 unit ...
The SS-induced out-of-plane ferroelectricity enables switching of the SS chirality by an electric field. Finally, forming heterostructures, for example, with graphene or boron nitride, maintains SS ordering and provides another method of modulation and a potential for magnetoelectric devices. KEYWORDS: monolayer. spin spiral.
The interaction between the dipoles causes a magnetic ordering such that the vector sum of the spontaneous magnetization of the sublattice vanishes, which defines the antiferromagnetic state. Keywords. ... An antiferromagnetic system subject to an external field can display a phase diagram containing various types of magnetic ordering.
The layered, air-stable van der Waals antiferromagnetic compound CrSBr exhibits pronounced coupling between its optical, electronic, and magnetic properties. As an example, exciton dynamics can be significantly influenced by lattice vibrations through exciton-phonon coupling. Using low-temperature photoluminescence spectroscopy, we …
Magnetic, ESR, specific heat, and neutron measurements indicate that both phases possess one-dimensional ferromagnetic coupling of the Mn(II) ions above the Néel temperature. Below 4 K for 1 and 7.5 K for 2, a three-dimensional antiferromagnetic order is established. The sigmoidal shape of the magnetization curves indicates that the three ...
We present a comprehensive study of the mixed valent compound, EuPd3S4, by electrical transport, X-ray diffraction, time-domain 151Eu synchrotron Möss spectroscopy, and X-ray absorption spectroscopy measurements under high pressure. The electrical transport measurements show that the antiferromagnetic …
It is interesting to point out that, when the magnetic ordering of tetragonal BFO varies from C1- to G-type, in contrast to the decrease of band gap (~0.09 eV), the enhancement of direct band gap ...
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Van der Waals (vdW) heterostructures have attracted great interest because of their rich material combinations. The discovery of two-dimensional magnets has provided a new platform for magnetic vdW heterointerfaces; however, research on magnetic vdW heterointerfaces has been limited to those with ferromagnetic surfaces. Here, we report …
Here we employ the phenomenon of itinerant ferromagnetism to realize magnetic ordering at TC = 225 K in a mixed-valence chromium (ii/iii) triazolate compound, which represents the highest ...
