Structural, transport, magnetic and magnetoelectric properties of CaMn1−xFexO3−δ (0.0 ≤ x ≤ 0.4)

RSC Advances ◽  
2015 ◽  
Vol 5 (50) ◽  
pp. 39938-39945 ◽  
Author(s):  
Brajendra Singh
Keyword(s):  
Magnetic Field ◽  
Structural Transformation ◽  
Room Temperature ◽  
Fe Doping ◽  
Lattice Constants ◽  
Magnetoelectric Properties ◽  
Low Magnetic Field

Fe doping induces (i) structural transformation from orthorhombic to cubic (ii) increase in lattice constants and (iii) room temperature positive magnetocapacitance at low magnetic field in CaMn1−xFexO3−δ (0.0 ≤ x ≤ 0.4) manganites.

Magnetoelectric Properties in Nickel Ferrite – Niobate Relaxor Bulk Composites

2012 ◽  
Vol 77 ◽  
pp. 215-219
Author(s):  
Piotr Guzdek
Keyword(s):  
Magnetic Field ◽  
Nickel Ferrite ◽  
Room Temperature ◽  
Single Phase ◽  
Magnetoelectric Effect ◽  
Multiferroic Materials ◽  
Fundamental Interest ◽  
Practical Applications ◽  
Magnetoelectric Properties ◽  
Properties Of Composites

Magnetoelectric effect in multiferroic materials is widely studied for its fundamental interest and practical applications. The magnetoelectric effect observed for single phase materials like Cr2O3, BiFeO3, Pb(Fe0.5Nb0.5)O3is usually small. A much larger effect can be obtained in composites consisting of magnetostrictive and piezoelectric phases. This paper investigates the magnetostrictive and magnetoelectric properties of nickel ferrite Ni0.3Zn0.62Cu0.08Fe2O4- relaxor Pb(Fe0.5Nb0.5)O3bulk composites. The magnetic properties of composites shows a dependence typical of such composite materials, i.e. it consists of a dominating signal from ferrimagnetic phase (ferrite) and a weak signal from paramagnetic (antiferromagnetic) phase (relaxors). Magnetoelectric effect at room temperature was investigated as a function of static magnetic field (300-7200 Oe) and frequency (10 Hz-10 kHz) of sinusoidal modulation magnetic field. The magnetoelectric effect increase slightly before reaching a maximum at HDC= 750 Oe and then decrease. The magnetoelectric coefficient increases continuously as frequency is raised, although this increase is less pronounced in the 1-10 kHz range.

Glass-Coated Cu-Mn-Ga Microwires Produced by Taylor-Ulitovsky Technique

2009 ◽  
Vol 152-153 ◽  
pp. 79-84 ◽  
Author(s):  
Joan Josep Suñol ◽  
L. Escoda ◽  
C. García ◽  
V.M. Prida ◽  
Victor Vega ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Solid Solution ◽  
Curie Temperature ◽  
Energy Dispersive Spectroscopy ◽  
Room Temperature ◽  
Alloy Composition ◽  
The Other ◽  
X Ray Diffraction ◽  
X Ray ◽  
Low Magnetic Field

Glass-coated Cu-Mn-Ga microwires were fabricated by Taylor-Ulitovsky technique. By means of energy dispersive spectroscopy microanalysis, an average alloy composition of Cu56Ga28Mn16 was determined. The temperature dependence of magnetization measured at a low magnetic field showed the coexistence of two ferromagnetic phases. The Curie temperature of one phase is 125 K and above room temperature for the other one. X-ray diffraction at room temperature and at 100 K reflects the presence of the same three crystalline phases corresponding to the cubic B2 Cu-Mn-Ga structure as a main phase and the minor phases of fcc Cu rich solid solution with Mn and Ga and the monoclinic CuO.

scholarly journals Low-magnetic-field control of dielectric constant at room temperature realized in Ba0.5Sr1.5Zn2Fe12O22

2009 ◽  
Vol 11 (7) ◽  
pp. 073030 ◽  
Author(s):  
Y S Chai ◽  
S H Chun ◽  
S Y Haam ◽  
Y S Oh ◽  
Ingyu Kim ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Dielectric Constant ◽  
Room Temperature ◽  
Field Control ◽  
Low Magnetic Field

scholarly journals Магнитоэлектрические свойства мультиферроиков BiFeO-=SUB=-3-=/SUB=- замещенных цинком

2020 ◽  
Vol 62 (8) ◽  
pp. 1200
Author(s):  
Д.М. Юсупов ◽  
А.А. Амиров ◽  
И.И. Макоед ◽  
Y.A. Chaudhary ◽  
S.T. Bendre
Keyword(s):  
Magnetic Field ◽  
Room Temperature ◽  
Bismuth Ferrite ◽  
Magnetoelectric Properties ◽  
Ceramic Samples ◽  
Magnetoelectric Coefficient ◽  
Double Substitution ◽  
The Magnetic Field

The magnetoelectric properties of ceramic samples of multiferroics BiFe1-xZnxO3 and Bi1-xZnxFe1-xZnxO3 were studied in the magnetic field from 0 to 80 kOe at room temperature. All samples have linear dependences of the magnetoelectric coefficient αME with small hump-like maxima αME both at c 10 kHz and at 85 kHz. Magnetoelectric studies in samples of bismuth ferrite series with double substituted Zn show that double substitution of Bi3+ and Fe3+ ions by Zn2+ ions does not give the desired enhancement of magnetoelectric properties.

HYMU 80

Alloy Digest ◽  
1971 ◽  
Vol 20 (10) ◽  
Keyword(s):  
Magnetic Field ◽  
Fracture Toughness ◽  
Corrosion Resistance ◽  
Heat Treating ◽  
Initial Permeability ◽  
Nickel Iron ◽  
Technology Corporation ◽  
Carpenter Technology Corporation ◽  
Low Magnetic Field ◽  
Maximum Permeability

Abstract Carpenter HYMU 80 is an unoriented 80% nickel-iron-molybdenum alloy which offers extremely high initial permeability and maximum permeability with minimum hysteresis loss at low magnetic field strengths. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Ni-5. Producer or source: Carpenter Technology Corporation. Originally published May 1953, revised October 1971.

scholarly journals All organic multiferroic magnetoelectric complexes with strong interfacial spin-dipole interaction

2021 ◽  
Vol 5 (1) ◽  
Author(s):  
Yuying Yang ◽  
Zhiyan Chen ◽  
Xiangqian Lu ◽  
Xiaotao Hao ◽  
Wei Qin
Keyword(s):  
Magnetic Field ◽  
Light Intensity ◽  
Room Temperature ◽  
Incident Light ◽  
Dipole Interaction ◽  
Interfacial Interaction ◽  
Magnetoelectric Coupling ◽  
Incident Light Intensity ◽  
Organic Ferromagnets ◽  
Magnetoelectric Coefficient

AbstractThe organic magnetoelectric complexes are beneficial for the development on flexible magnetoelectric devices in the future. In this work, we fabricated all organic multiferroic ferromagnetic/ferroelectric complexes to study magnetoelectric coupling at room temperature. Under the stimulus of external magnetic field, the localization of charge inside organic ferromagnets will be enhanced to affect spin–dipole interaction at organic multiferroic interfaces, where overall ferroelectric polarization is tuned to present an organic magnetoelectric coupling. Moreover, the magnetoelectric coupling of the organic ferromagnetic/ferroelectric complex is tightly dependent on incident light intensity. Decreasing light intensity, the dominated interfacial interaction will switch from spin–dipole to dipole–dipole interaction, which leads to the magnetoelectric coefficient changing from positive to negative in organic multiferroic magnetoelectric complexes.

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