Spin-Flop Transition and a Tilted Canted Spin Structure in a Coupled Antiferromagnet

2016 ◽  
Vol 85 (4) ◽  
pp. 043708 ◽  
Author(s):  
Hiroshi Shimahara ◽  
Kazuhiro Ito
Keyword(s):  
Spin Structure ◽  
Spin Flop Transition ◽  
Canted Spin

Canted Spin Structure of β1-MnZn

1966 ◽  
Vol 21 (10) ◽  
pp. 2080-2080 ◽  
Author(s):  
Tomiei Hori ◽  
Yasuaki Nakagawa ◽  
Yoshikazu Ishikawa
Keyword(s):  
Spin Structure ◽  
Canted Spin

Canted spin structure and the first order magnetic transition in CoFe2O4 nanoparticles coated by amorphous silica

2016 ◽  
Vol 415 ◽  
pp. 13-19 ◽  
Author(s):  
I.S. Lyubutin ◽  
S.S. Starchikov ◽  
N.E. Gervits ◽  
N.Yu. Korotkov ◽  
T.V. Dmitrieva ◽  
...  
Keyword(s):  
Amorphous Silica ◽  
Spin Structure ◽  
Magnetic Transition ◽  
Cofe2o4 Nanoparticles ◽  
First Order ◽  
Canted Spin

scholarly journals Мёссбауэровские исследования состава и магнитной структуры нанокомпозитов Fe-=SUB=-3-=/SUB=-O-=SUB=-4-=/SUB=-/γ-Fe-=SUB=-2-=/SUB=-O-=SUB=-3-=/SUB=- типа ядро-оболочка во внешнем магнитном поле (Часть 2)

2020 ◽  
Vol 62 (11) ◽  
pp. 1919
Author(s):  
А.С. Камзин ◽  
I.M. Obaidat ◽  
А.А. Валлиулин ◽  
В.Г. Семенов ◽  
I.A. Al-Omari
Keyword(s):  
Magnetic Field ◽  
External Magnetic Field ◽  
Spin Structure ◽  
Magnetic Moments ◽  
Core Shell ◽  
Fe2o3 Nanoparticles ◽  
Synthesis Conditions ◽  
The Core ◽  
Canted Spin ◽  
Shell Particles

The results of Mössbauer studies of the composition and magnetic structure of Fe3O4 / -Fe2O3 nanoparticles placed in an external magnetic field with a strength of 1.8 kOe, which is a continuation of the work [A.S. Kamzin, I.M. Obaidat, A.A. Valliulin, V.G. Semenov, I.A. Al-Omari. FTT No. 10/2020]. It is shown that the thickness of the maghemite (-Fe2O3) shell can be changed by the synthesis conditions. It was found that on the surface of the maghemite (-Fe2O3) shell in the Fe3O4 / -Fe2O3 nanocomposites there is a layer in which the magnetic moments are not oriented collinearly to the moments located in the depth of the shell, i.e., there is a canted spin structure. An intermediate layer in the spin-glass state is formed between the core and the shell. The data obtained on the structure of core / shell particles are important for understanding the properties of nanocomposites, which are of great interest for applications in various fields, including biomedicine.

scholarly journals Highly Degenerate Canted Spin Structure in Bilayer ManganiteLa1.1Sr1.9Mn2O7

2003 ◽  
Vol 91 (4) ◽  
Author(s):  
M. Kubota ◽  
Y. Oohara ◽  
H. Yoshizawa ◽  
H. Fujioka ◽  
K. Hirota ◽  
...  
Keyword(s):  
Spin Structure ◽  
Canted Spin

Study of canted spin structure in Cu-Cd ferrites

1984 ◽  
Vol 19 (3) ◽  
pp. 890-894 ◽  
Author(s):  
R. G. Kulkarni ◽  
V. G. Panicker
Keyword(s):  
Spin Structure ◽  
Canted Spin

scholarly journals Свойства синтезированных методом пиролиза ультразвуковой аэрозоли наночастиц MgFe-=SUB=-2-=/SUB=-O-=SUB=-4-=/SUB=- для биомедицинских применений

2019 ◽  
Vol 61 (6) ◽  
pp. 1175
Author(s):  
А.С. Камзин ◽  
А.А. Валиуллин ◽  
В.Г. Семенов ◽  
Harinarayan Das ◽  
Naoki Wakiya
Keyword(s):  
Spin Structure ◽  
Single Phase ◽  
Spherical Particles ◽  
Magnesium Ferrite ◽  
Hyperthermia Therapy ◽  
Canted Spin ◽  
Primary Particles ◽  
Average Size ◽  
Superparamagnetic State ◽  
Ferrite Spinel

AbstractWe present the data of studies on the structure, phase states, and magnetic properties of magnetic nanoparticles (MNPs) of magnesium ferrite spinel (MgFe_2O_4), synthesized by ultrasonic aerosols pyrolysis. Primary single-phase MNPs with an average size of 9.6, 11.5, and 14.0 nm, synthesized from precursors at concentrations of 0.06, 0.12, and 0.24 M, respectively, agglomerate into tightly aggregated spherical particles (secondary particles) with sizes of 206, 300, and 340 nm, respectively. Primary particles inside the spheres do not interact with each other and are in a superparamagnetic state. There is a layer on the surface of the particles, the magnetic structure of which differs from the structure of the inner part of the MNP; this is explained by the formation of a canted spin structure or a spin glass state in the surface layer of the MNPs. MgFe_2O_4 nanospheres obtained from a precursor at a concentration of 0.06 M are most promising as valid sources of heat in magnetic hyperthermia therapy.

scholarly journals Giant anomalous Nernst signal in the antiferromagnet YbMnBi2

2021 ◽  
Author(s):  
Yu Pan ◽  
Congcong Le ◽  
Bin He ◽  
Sarah J. Watzman ◽  
Mengyu Yao ◽  
...  
Keyword(s):  
Spin Structure ◽  
Spin Orbit Coupling ◽  
Spin Orbit ◽  
Berry Curvature ◽  
Thermoelectric Energy ◽  
Transverse Geometry ◽  
Canted Spin ◽  
Excellent Candidate ◽  
Magnetic Disturbances ◽  
Large Spin

AbstractA large anomalous Nernst effect (ANE) is crucial for thermoelectric energy conversion applications because the associated unique transverse geometry facilitates module fabrication. Topological ferromagnets with large Berry curvatures show large ANEs; however, they face drawbacks such as strong magnetic disturbances and low mobility due to high magnetization. Herein, we demonstrate that YbMnBi2, a canted antiferromagnet, has a large ANE conductivity of ~10 A m−1 K−1 that surpasses large values observed in other ferromagnets (3–5 A m−1 K−1). The canted spin structure of Mn guarantees a non-zero Berry curvature, but generates only a weak magnetization three orders of magnitude lower than that of general ferromagnets. The heavy Bi with a large spin–orbit coupling enables a large ANE and low thermal conductivity, whereas its highly dispersive px/y orbitals ensure low resistivity. The high anomalous transverse thermoelectric performance and extremely small magnetization make YbMnBi2 an excellent candidate for transverse thermoelectrics.

Canted spin structure in clusters of the (La0.7Ca0.3)1−xMn1+xO3 perovskites

2002 ◽  
Vol 246 (1-2) ◽  
pp. 40-53 ◽  
Author(s):  
V.P. Dyakonov ◽  
I. Fita ◽  
E. Zubov ◽  
V. Pashchenko ◽  
V. Mikhaylov ◽  
...  
Keyword(s):  
Spin Structure ◽  
Canted Spin

scholarly journals An occurrence of a fully-oxidized natural titanomaghemite in basalt

1989 ◽  
Vol 53 (371) ◽  
pp. 299-304 ◽  
Author(s):  
Jaoqueline E. M. Allan ◽  
J. M. D. Coey ◽  
I. S. Sanders ◽  
U. Schwertmann ◽  
G. Friedrich ◽  
...  
Keyword(s):  
Spinel Structure ◽  
Spin Structure ◽  
Microprobe Analysis ◽  
Spontaneous Magnetization ◽  
Lattice Parameter ◽  
Minas Gerais ◽  
Octahedral Sites ◽  
Canted Spin ◽  
Magnetic Ions ◽  
Image Position

AbstractTitanomaghemite occurs in a relatively fresh doleritic intrusion in an area of Precambrian gneiss in Minas Gerais, Brazil. It hosts exsolution lamellae of ilmenite and contains more than 90% of the iron in the ferric form. It is more resistant to weathering than the ilmenite and is inherited virtually unaltered by the resulting soils. Titanomaghemite, extracted as grains from a weathered rind of the rock, has lattice parameter a0 = 0.8348(3) nm and has a canted spin structure due to substitution of non-magnetic ions on tetrahedral and octahedral sites of the spinel structure. The average canting angle is 32 ± 3° and canting occurs predominantly on the octahedral iron sublattice. Its formula, based on microprobe analysis and Mössbauer spectroscopy may be expressed as:where [] and {} denote ions on tetrahedral and octahedral sites, respectively. The spontaneous magnetization of the mineral is 36(3) J/T/kg.

Sign in / Sign up

Export Citation Format

Share Document