scholarly journals Composition dependence of the second-order interfacial magnetic anisotropy for MgO/CoFeB/Ta films

AIP Advances ◽  
2019 ◽  
Vol 9 (12) ◽  
pp. 125053 ◽  
Author(s):  
Takahiro Ogasawara ◽  
Mikihiko Oogane ◽  
Muftah Al-Mahdawi ◽  
Masakiyo Tsunoda ◽  
Yasuo Ando
Keyword(s):  
Magnetic Anisotropy ◽  
Composition Dependence ◽  
Second Order

scholarly journals Second-order transverse magnetic anisotropy induced by disorder in the single-molecule magnetMn12

2004 ◽  
Vol 69 (14) ◽  
Author(s):  
Kyungwha Park ◽  
Tunna Baruah ◽  
Noam Bernstein ◽  
Mark R. Pederson
Keyword(s):  
Magnetic Anisotropy ◽  
Single Molecule ◽  
Transverse Magnetic ◽  
Second Order

scholarly journals First- and second-order magnetic anisotropy and damping of europium iron garnet under high strain

2021 ◽  
Vol 5 (12) ◽  
Author(s):  
Víctor H. Ortiz ◽  
Bassim Arkook ◽  
Junxue Li ◽  
Mohammed Aldosary ◽  
Mason Biggerstaff ◽  
...  
Keyword(s):  
Magnetic Anisotropy ◽  
High Strain ◽  
Second Order ◽  
Iron Garnet

scholarly journals Origin of Second-Order Transverse Magnetic Anisotropy inMn12-Acetate

2002 ◽  
Vol 89 (25) ◽  
Author(s):  
A. Cornia ◽  
R. Sessoli ◽  
L. Sorace ◽  
D. Gatteschi ◽  
A. L. Barra ◽  
...  
Keyword(s):  
Magnetic Anisotropy ◽  
Transverse Magnetic ◽  
Second Order

scholarly journals Beyond the second-order magnetic anisotropy tensor: higher-order components due to oriented magnetite exsolutions in pyroxenes, and implications for palaeomagnetic and structural interpretations

2020 ◽  
Vol 223 (2) ◽  
pp. 915-933 ◽  
Author(s):  
Andrea R Biedermann ◽  
Mike Jackson ◽  
Martin Chadima ◽  
Ann M Hirt ◽  
Joshua M Feinberg
Keyword(s):  
Magnetic Anisotropy ◽  
Orientation Distribution ◽  
Higher Order ◽  
Second Order ◽  
Rotational Hysteresis ◽  
Low Field ◽  
Magnetic Fabrics ◽  
Torque Measurements ◽  
Anisotropy Tensor ◽  
Order Components

SUMMARY Exsolved iron oxides in silicate minerals can be nearly ideal palaeomagnetic recorders, due to their single-domain-like behaviour and the protection from chemical alteration by their surrounding silicate host. Because their geometry is crystallographically controlled by the host silicate, these exsolutions possess a shape preferred orientation that is ultimately controlled by the mineral fabric of the silicates. This leads to potentially significant anisotropic acquisition of remanence, which necessitates correction to make accurate interpretations in palaeodirectional and palaeointensity studies. Here, we investigate the magnetic shape anisotropy carried by magnetite exsolutions in pyroxene single crystals, and in pyroxene-bearing rocks based on torque measurements and rotational hysteresis data. Image analysis is used to characterize the orientation distribution of oxides, from which the observed anisotropy can be modelled. Both the high-field torque signal and corresponding models contain components of higher order, which cannot be accurately described by second-order tensors usually used to describe magnetic fabrics. Conversely, low-field anisotropy data do not show this complexity and can be adequately described with second-order tensors. Hence, magnetic anisotropy of silicate-hosted exsolutions is field-dependent and this should be taken into account when interpreting isolated ferromagnetic fabrics, and in anisotropy corrections.

Effective Anisotropy Constant of Bilayer Film

2014 ◽  
Vol 887-888 ◽  
pp. 779-782
Author(s):  
Leonid L. Afremov ◽  
Sergey Anisimov ◽  
Tamara Agapova
Keyword(s):  
Magnetic Anisotropy ◽  
Anisotropy Constant ◽  
Second Order ◽  
Bilayer Film ◽  
Effective Anisotropy ◽  
First Order ◽  
Crystallographic Anisotropy ◽  
Effective Anisotropy Constant ◽  
Interlayer Exchange ◽  
Effective Constants

A reasonable composition of different kinds of magnetic anisotropy of bilayer film has been carried out. The criterium of magnetic uniaxiality of bilayer film contained the first-order and the second-order crystallographic anisotropy has been defined. It has been demonstrated that the effective constants of the first-order and the second-order magnetic anisotropy of bilayer film has a non-linear dependence on the corresponding constants of crystallographic anisotropy of the layers, angles between them and constants of interlayer exchange interaction.

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