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magnetic ordering science

Magnetic Ordering in an Organic Polymer Science

2001. 11. 16.  This behavior is highly sensitive to the applied magnetic fields (H); in larger magnetic fields, e.g., H = 5 Oe, the difference between the ZFC and FC magnetizations is undetectable. Even at a relatively low magnetic field, H = 5 Oe, the large values of μ eff ≈ 8000 give μ eff H / k B ≈ 2.7 K, which is within the range of blocking temperatures.

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Magnetic Ordering - an overview ScienceDirect Topics

Magnetic Ordering. Magnetic ordering requires that the electron system forms local or itinerant magnetic moments and that there is interaction between these moments. From: Encyclopedia of Condensed Matter Physics, 2005. Related terms: Ferromagnetism; Ligand; Ion; Magnetism; Magnetic Moment; Magnetic Property; Antiferromagnetic; Magnetization

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Magnetic Ordering in the Rare-Earth Hexaborides Science

Magnetic ordering in the rare-earth hexaborides has been studied by a variety of methods, and a clear correlation with the presence of conduction electrons has been found. Science Vol 160, Issue...

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Magnetic ordering in Ce3Cu4Sn4 and Ce3Cu4Ge4 -

2002. 12. 1.  The evolution of magnetic order agrees well with the mean-field model of magnetic frustrated systems , which takes into account the periodic exchange field and crystal-field effects, i.e., first modulated (presumably amplitude modulated) structures appear, with temperature lowering they transform towards the short-period equal-moment state.

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The magnetic ordering in the Ho5Si3 and Ho5Ge3

2008. 9. 22.  A neutron diffraction investigation has been performed on the Ho 5 Si 3 and Ho 5 Ge 3 compounds (hexagonal Mn 5 Si 3-type, hP16, P6 3 /mcm) to study their magnetic structure.The results prove that these intermetallic phases show a complex sine-modulated type magnetic ordering, both presenting on cooling two subsequent antiferromagnetic orderings (T N1 and T N2).

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Science - Metal-organic magnets with large coercivity and

2020. 10. 30.  In these systems, the strong magnetic coupling between spins localized in the metal 3d orbitals and those of the radicals result in magnetically ordered phases with critical temperatures (

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Magnetic Ordering in Sr 3 YCo 4 O 10+x Scientific Reports

2016. 1. 28.  The undisputed facts are that SYCO exhibits antiferromagnetic ordering with asymmetric spin-up and spin-down magnetic moments, characteristic of ferrimagnetism.

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Orientational and Magnetic Ordering of Buckyballs in TDAE

1995. 4. 21.  Spin ordering in the low-temperature magnetic phase is directly linked to the orientational ordering of C 60 molecules in organically doped fullerene derivatives. Electron spin resonance and...

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Room-temperature Magnetic Ordering in Functionalized

2012. 9. 3.  The presence of magnetic order in graphene has been supported by a number of indirect experiments, mostly using non-local (sample volume- or surface-averaged) vibrating sample magnetometry (VSM ...

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Revealing noncollinear magnetic ordering at the atomic

2021. 2. 4.  Kielgast, F., Baev, I., Beeck, T. et al. Revealing noncollinear magnetic ordering at the atomic scale via XMCD. Sci Rep 11, 2996 (2021). https://doi/10.1038/s41598-021-82518-4. Download citation

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Magnetic ordering in Ce3Cu4Sn4 and Ce3Cu4Ge4 -

2002. 12. 1.  The magnetic behaviour is different in the two inequivalent crystallographic Ce sites, namely, the magnetic moment on the high-symmetry site reaches the ordered value of ∼2 μ B at relatively high temperatures, while the magnetic moment on the low-symmetry site increases slowly with temperature lowering and reaches a reduced value of ∼1 μ B at 1.5 K.

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The magnetic ordering in the Ho5Si3 and Ho5Ge3

2008. 9. 22.  A neutron diffraction investigation has been performed on the Ho 5 Si 3 and Ho 5 Ge 3 compounds (hexagonal Mn 5 Si 3-type, hP16, P6 3 /mcm) to study their magnetic structure.The results prove that these intermetallic phases show a complex sine-modulated type magnetic ordering, both presenting on cooling two subsequent antiferromagnetic orderings (T N1 and T N2).

More

Magnetic Ordering in Sr 3 YCo 4 O 10+x Scientific

2016. 1. 28.  The oxygen-deficient perovskite Sr 3 YCo 4 O 10+x 1 exhibits the highest ferromagnetic ordering temperature of any of the perovskite cobaltates with T

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Strain-controlled magnetic ordering in 2D carbon

2020. 5. 1.  We use ab initio spin-polarized density functional theory to study the magnetic order in a Kagomé-like 2D metamaterial consisting of pristine or substitutionally doped phenalenyl radicals polymerized into a nanoporous, graphene-like structure. In this and in a larger class of related structures, the constituent polyaromatic hydrocarbon molecules can be considered as quantum dots that may ...

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Magnetic ordering in the layered oxyselenides

2018. 8. 1.  The magnetic structures of Sr 2 CoO 2 Ag 2 Se 2 and Ba 2 CoO 2 Ag 2 Se 2 are similar to one another, the sole difference being a slightly larger magnitude of the ordered Co 2+ moment in Ba 2 CoO 2 Ag 2 Se 2. However, the magnitudes of the refined moments are within three standard deviations of

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Magnetic ordering induced giant optical property

2015. 12. 9.  Magnetic ordering could have significant influence on band structures, spin-dependent transport and other important properties of materials. Its measurement, especially for the case of ...

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Manipulating surface magnetic order in iron telluride - Science

Manipulating surface magnetic order in iron telluride Christopher Trainer 1 , Chi M. Yim 1 , Christoph Heil 2,3 , Feliciano Giustino 2 , Dorina Croitori 4,5 , Vladimir Tsurkan 4,5 , Alois Loidl 4 , Efrain E. Rodriguez 6 , Chris Stock 7 , Peter Wahl 1 *

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Scientists generated megatesla order magnetic fields -

2020. 10. 11.  Recently, scientists at Osaka University discovered a novel mechanism called a microtube implosion. Using a supercomputer, they demonstrated the generation of megatesla (MT = 1010G) to order magnetic fields via particle simulations. Incredibly, this is three ordered

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The role of magnetic order in VOCl - IOPscience

2019. 5. 24.  In order to investigate the relation between structure and magnetic order below the Néel temperature, we have used a supercell with AFM order among the V atoms, as illustrated in figure 2. Relaxing the ion positions with the PBE + U + D3 approximation, we obtain the EOS parameters presented in table 1 for different values of the -parameter.

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Science - Correlation-driven eightfold magnetic

Engineering magnetic anisotropy in two-dimensional systems has enormous scientific and technological implications. The uniaxial anisotropy universally exhibited by two-dimensional magnets has only two stable spin directions, demanding 180° spin switching between states. We demonstrate a previously unobserved eightfold anisotropy in magnetic SrRuO3 monolayers by inducing a spin

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The magnetic ordering in the Ho5Si3 and Ho5Ge3

2008. 9. 22.  A neutron diffraction investigation has been performed on the Ho 5 Si 3 and Ho 5 Ge 3 compounds (hexagonal Mn 5 Si 3-type, hP16, P6 3 /mcm) to study their magnetic structure.The results prove that these intermetallic phases show a complex sine-modulated type magnetic ordering, both presenting on cooling two subsequent antiferromagnetic orderings (T N1 and T N2).

More

Science Advances - High-throughput search for magnetic

The discovery of intrinsic magnetic topological order in MnBi2Te4 has invigorated the search for materials with coexisting magnetic and topological phases. These multiorder quantum materials are expected to exhibit new topological phases that can be tuned with magnetic fields, but the search for such materials is stymied by difficulties in predicting magnetic structure and stability.

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Strain-controlled magnetic ordering in 2D carbon

2020. 5. 1.  We use ab initio spin-polarized density functional theory to study the magnetic order in a Kagomé-like 2D metamaterial consisting of pristine or substitutionally doped phenalenyl radicals polymerized into a nanoporous, graphene-like structure. In this and in a larger class of related structures, the constituent polyaromatic hydrocarbon molecules can be considered as quantum dots that may ...

More

Manipulating surface magnetic order in iron telluride - Science

Manipulating surface magnetic order in iron telluride Christopher Trainer 1 , Chi M. Yim 1 , Christoph Heil 2,3 , Feliciano Giustino 2 , Dorina Croitori 4,5 , Vladimir Tsurkan 4,5 , Alois Loidl 4 , Efrain E. Rodriguez 6 , Chris Stock 7 , Peter Wahl 1 *

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Magnetic order in a two-dimensional molecular

2017. 5. 22.  Achieving magnetic order in low-dimensional systems consisting of only one or two dimensions has been a research goal for some time. Researchers now show that magnetic order

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Physicists observe competition between magnetic orders -

2021. 1. 6.  Physicists observe competition between magnetic orders Date: January 6, 2021 Source: University of Bonn Summary: Two-dimensional materials,

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The role of magnetic order in VOCl - IOPscience

2019. 5. 24.  In order to investigate the relation between structure and magnetic order below the Néel temperature, we have used a supercell with AFM order among the V atoms, as illustrated in figure 2. Relaxing the ion positions with the PBE + U + D3 approximation, we obtain the EOS parameters presented in table 1 for different values of the -parameter.

More

Physicists create first metamaterial with rewritable

2016. 5. 23.  University of Notre Dame Visiting Research Assistant Professor Yong-Lei Wang and his collaborators have produced the first rewriteable, artificial “magnetic charge ice.” The research, described in a paper published May 20, 2016, in the journal Science

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Science - Correlation-driven eightfold magnetic

Engineering magnetic anisotropy in two-dimensional systems has enormous scientific and technological implications. The uniaxial anisotropy universally exhibited by two-dimensional magnets has only two stable spin directions, demanding 180° spin switching between states. We demonstrate a previously unobserved eightfold anisotropy in magnetic SrRuO3 monolayers by inducing a spin

More

Ferromagnetism - Wikipedia

2021. 6. 23.  Ferromagnetism is the basic mechanism by which certain materials (such as iron) form permanent magnets, or are attracted to magnets.In physics, several different types of magnetism are distinguished. Ferromagnetism (along with the similar effect ferrimagnetism) is the strongest type and is responsible for the common phenomenon of magnetism in magnets

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