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coercive field

The effect of precipitation of non-magnetic inclusions on the coercive field and the initial permeability of alpha-iron.

The effect of precipitation of non-magnetic inclusions on the coercive field and the initial permeability of alpha-iron.

... circulated. It is assumed that the structural state of an alloy, heat treated at any particular temperature, is p r e ­ served when quenched in this manner. These specimens were aged at 755°, 775°, 795° and 810°C for ...

64

Oscillatory thickness dependence of the coercive field in magnetic three dimensional antidot arrays

Oscillatory thickness dependence of the coercive field in magnetic three dimensional antidot arrays

... Recent developments in magnetic applications, such as data-storage, sensors and transducers, are stimulating intense research into magnetism on sub-micrometer length scales. Emerging self-assembly fabrication techniques ...

14

THICKNESS DEPENDENT COERCIVE FIELD AND MAGNETIC ANISOTROPY IN COFEB THIN FILMS

THICKNESS DEPENDENT COERCIVE FIELD AND MAGNETIC ANISOTROPY IN COFEB THIN FILMS

... magnetic field for the period of growth, deposition and magnetic annealing1–3he magnetic properties of these materials are the result of the competition between the ferromagnetic exchange interaction and the ...

9

Detection of creep degradation during pressure vessel testing using electromagnetic sensor technology

Detection of creep degradation during pressure vessel testing using electromagnetic sensor technology

... Examination of the results for the BH loop and associated parameters, coercive field and remanence (Section 4.1), show that there does seem to be some systematic change in the shape of the loop for ...

23

Anomalous change in leakage and displacement currents after electrical poling on lead free ferroelectric ceramics

Anomalous change in leakage and displacement currents after electrical poling on lead free ferroelectric ceramics

... polarization, coercive field, and leakage current which can be easily detected by SEM-Energy-dispersive X-ray spectroscopy (EDX) data within instrumental ...

6

Manipulation of polar order in the “empty” tetragonal tungsten bronzes: Ba4 xSrxDy0 671 33Nb10O30, x = 0, 0 25, 0 5, 1, 2, 3

Manipulation of polar order in the “empty” tetragonal tungsten bronzes: Ba4 xSrxDy0 671 33Nb10O30, x = 0, 0 25, 0 5, 1, 2, 3

... in coercive field with decreasing temperature we were unable to obtain saturated loops at much lower temperatures, unlike other “empty” TTBs such as Ba 4 La ...

16

Ames Laboratory Conference Papers, Posters, and Presentations Ames Laboratory

Ames Laboratory Conference Papers, Posters, and Presentations Ames Laboratory

... versus field curve is shown in ...magnetic field is zero or equivalently, the point of contact of the two halves of the “butterfly” ...and coercive field values are ...peak field is ...

14

Structural and Magnetic Properties of Mn0 50 xZn0 50CuxFe2O4

Structural and Magnetic Properties of Mn0 50 xZn0 50CuxFe2O4

... Lattice parameter, density, porosity, average grain size, initial permeability, resonance frequency, residual and saturation inductions, coercive field and Néel temperature of various Mn[r] ...

8

Enhanced magnetic properties in ZnCoAlO caused by exchange-coupling to Co nanoparticles

Enhanced magnetic properties in ZnCoAlO caused by exchange-coupling to Co nanoparticles

... Sample A has behaviour that is characteristic of a magnetic sample dominated by cobalt nanoparticles [34-36]. At low temperatures, where these particles are blocked, they give rise to the large value of the ...

31

Tailoring magnetic anisotropy gradients by ion bombardment for domain wall positioning in magnetic multilayers with perpendicular anisotropy

Tailoring magnetic anisotropy gradients by ion bombardment for domain wall positioning in magnetic multilayers with perpendicular anisotropy

... of field pulse amp- ...(small coercive field gradient = small gradient in average anisotropy) and B (high coercive field gradient = high gradient in average anisotropy) after the ...

7

Low Temperature Synthesis of α-Fe2O3 Nano-rods Using Simple Chemical Route

Low Temperature Synthesis of α-Fe2O3 Nano-rods Using Simple Chemical Route

... UV–vis absorption analyses showed a strong absorption below 500 nm with a well-defined absorption peak at 480 nm, the direct small band gap is found to be 2.90 eV for as-prepared samples and 2.77 ev for annealed one. ...

6

Characterization of Magnetic Nanostructured Materials  by First Order Reversal Curve Method

Characterization of Magnetic Nanostructured Materials by First Order Reversal Curve Method

... that the nanowire systems with a mean diameter of 70 nm seem to be organized in symmetric clusters indicative of a reversal-field memory effect. The increase of interwire interactions enhances the ...

90

Measurement of Ferroelectric Films in MFM and MFIS Structures

Measurement of Ferroelectric Films in MFM and MFIS Structures

... each field value is compared with the coercive field plus the bias field of each ...the field value is greater than that required to switch the domain, the hysteron switches ...

82

Ferroelectric HfO2 for Emerging Ferroelectric Semiconductor Devices

Ferroelectric HfO2 for Emerging Ferroelectric Semiconductor Devices

... films, opened new perspectives. Silicon doped hafnium oxide films deposited using ALD were further investigated for ferroelectric behavior. This film was deposited at NaMLab and further processing was done at RIT. MIM ...

133

Structural, Magnetic, and Mechanical Properties of Nd 16 (Fe 76-x Co x)B8 0 ≤ x ≤ 25 Alloys

Structural, Magnetic, and Mechanical Properties of Nd 16 (Fe 76-x Co x)B8 0 ≤ x ≤ 25 Alloys

... Figure 6 shows the hysteresis loops for the alloys with x = 0, 10, 20 and 25. In all samples predominates the Nd2Fe14B hard magnetic phase. But the addition of cobalt reduces the size and width of the hysteresis loop, ...

12

Application of the Preisach and Jiles–Atherton models to the simulation of hysteresis in soft magnetic alloys

Application of the Preisach and Jiles–Atherton models to the simulation of hysteresis in soft magnetic alloys

... ercive field of the material, although the precise value of the saturation loop coercivity will in general depend on other details of the distribution as ...Coercivity field models are generally based on ...

6

A stress-dependent hysteresis model for ferroelectric materials

A stress-dependent hysteresis model for ferroelectric materials

... In the model developed in Section 4.1.2, dipole switching occurred only when the magnitude of the applied electric field exceeded that of the coercive field value of the single crystal. However, ...

29

Magnetic properties of Sr3NiIrO6 and Sr3CoIrO6 : magnetic hysteresis with coercive fields of up to 55 T

Magnetic properties of Sr3NiIrO6 and Sr3CoIrO6 : magnetic hysteresis with coercive fields of up to 55 T

... magnetic field after cooling into the slowly relaxing phase results in a higher coercive field; the field must overcome this stochastic spread of interchain interactions before the “chain ...

12

Temperature-independent ferroelectric property and characterization of high-TC 0.2Bi(Mg1/2Ti1/2)O3-0.8PbTiO3 thin films

Temperature-independent ferroelectric property and characterization of high-TC 0.2Bi(Mg1/2Ti1/2)O3-0.8PbTiO3 thin films

... polarization-electric field (P-E), leakage current-electric field (J-E), permittivity (dielectric loss)-frequency, and displacement-voltage measurements, ...a coercive field (Ec) of about 121 ...

7

Effect of Substitution of Al for Fe on Magnetic Properties and Particle Size of Ni Co Nanoferrite

Effect of Substitution of Al for Fe on Magnetic Properties and Particle Size of Ni Co Nanoferrite

... the coercive field and saturation mag- netization decrease with increasing aluminum content, because the replacement of Fe 3+ by Al 3+ ions weaken the ...

5

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