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Curie (magnetic ordering) temperatures

Determining Curie temperatures in dilute ferromagnetic semiconductors: high Curie temperature (Ga,Mn)As

Determining Curie temperatures in dilute ferromagnetic semiconductors: high Curie temperature (Ga,Mn)As

... The properties of dilute ferromagnetic semiconductors, such as (Ga,Mn)As, have been extensively investigated in recent years resulting in discoveries of new spin-related phys- ical phenomena and functionalities. 1 Dilute ...

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Absence of critical exponents in ferroelectrics : experiments of Hilczer and theory of Levanyuk and Sigov

Absence of critical exponents in ferroelectrics : experiments of Hilczer and theory of Levanyuk and Sigov

... Throughout the 1970s and 80s Arkadiy Levanyuk, Alexander Sigov and others produced a long series of papers showing how defects would influence phenomena in ferroelectrics near their Curie temperatures. In ...

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Magnetic Susceptibility of liquid Gd-NM (NM = Cu, Ga, Ge) alloys

Magnetic Susceptibility of liquid Gd-NM (NM = Cu, Ga, Ge) alloys

... paramagnetic Curie temperatures were obtained by fitted with Curie-Weiss ...the Curie constant of liquid Gd become appropriate value, which compared with the Curie constant in solid ...

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Precise tuning of the Curie temperature of (Ga,Mn)As based magnetic semiconductors by hole compensation: Support for valence band ferromagnetism

Precise tuning of the Curie temperature of (Ga,Mn)As based magnetic semiconductors by hole compensation: Support for valence band ferromagnetism

... concentration over a large temperature range and the existence of Curie temperatures below 10 K for heav- ily compensated samples. These observations cannot be explained if there is a pronounced dip in the ...

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Synthesis of Bismuth Sodium Titanate Fine Particles with Different Shapes by the Gel Sol Method

Synthesis of Bismuth Sodium Titanate Fine Particles with Different Shapes by the Gel Sol Method

... problems of human health and environment. Thus, this development has attracted great deals of attention in material sciences. Recently, piezoelectric properties and high Curie temperatures based on bismuth ...

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Magnetostrictive and piezomagnetic properties of Tb1-xDyx Zn at low temperatures

Magnetostrictive and piezomagnetic properties of Tb1-xDyx Zn at low temperatures

... discussed here is particularly attractive because of the simplicity of its crystal structure (CsCl), its relatively high Curie temperatures (for rare earth alloys), and the existence of a large [u,v,0] ...

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Enhancement of Ferromagnetic Ordering Curie  Temperature in N Doped MgO under Hydrostatic Pressure

Enhancement of Ferromagnetic Ordering Curie Temperature in N Doped MgO under Hydrostatic Pressure

... of Curie temperatures der hydrostatic pressure, to analyze the evolution of the magnetic energy, and to explain what causes these trends, we have traced all parameters such as ∆E, inter- atomic distance, ...

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A generalized treatment of the order disorder transformation in alloys and its effects on their magnetic properties

A generalized treatment of the order disorder transformation in alloys and its effects on their magnetic properties

... Curie temperatures of fully ordered nickel manganese alloys for various values of the magnetic interaction parameter, A... Introduction It was first proposed by Tammann 1 that the atoms [r] ...

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Effect of Sintering Temperature on Structural and Magnetic Properties of Ni0 55Zn0 45Fe2O4 Ferrites

Effect of Sintering Temperature on Structural and Magnetic Properties of Ni0 55Zn0 45Fe2O4 Ferrites

... sintering temperatures increase from 1160˚C to 1300˚C, the permeability gradually in- ...The Curie temperatures determined from temperature dependence of permeability of the samples sintered at ...

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Curie temperature determination via thermogravimetric and continuous wavelet transformation analysis

Curie temperature determination via thermogravimetric and continuous wavelet transformation analysis

... different Curie Temperatures to correct the temperature profile of the ...the Curie transformation means that it occurs almost ...the Curie transformation in contrast with a 1st order ...

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Quantifying Regional-Scale Water Storage Using Models and Observations: Application For Drought Assessment In South Carolina

Quantifying Regional-Scale Water Storage Using Models and Observations: Application For Drought Assessment In South Carolina

... 3. The Flying University in Warsaw, Poland, which was where Curie received a portion of her formal education. Since women were not permitted to attend University, some of the top professors covertly organized ...

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Effect of Fe substitution on structural and magnetic properties of Pr2Co7-xFex compounds

Effect of Fe substitution on structural and magnetic properties of Pr2Co7-xFex compounds

... being equal to 18 kOe at 293 K and 23 kOe at 10 K and important saturation magnetization. These performances are due to the combination of the complementary characteristics of 3d-itinerant and 4f-localized magnetism of ...

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Transition Temperatures

Transition Temperatures

... transition temperatures? There might be several problems, but let me mention three of them: 1) electrical neutrality would simplify our models, but although it is everywhere in the micro- scopic and macroscopic ...

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Elevated curie temperature and half metallicity in the ferromagnetic semiconductor LaxEu1−xO

Elevated curie temperature and half metallicity in the ferromagnetic semiconductor LaxEu1−xO

... Monteiro, Pedro M. S., Baker, Peter J., Hine, Nicholas, Steinke, Nina-J., Ionescu, Adrian, Cooper, Joshaniel F. K., Barnes, Crispin H. W., Kinane, Christian J., Salman, Zaher, Wildes, Andrew R., Prokscha, Thomas and ...

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COMPARISON OF INTRACARDIAC AND INTRAVASCULAR TEMPERATURES WITH RECTAL TEMPERATURES IN MAN

COMPARISON OF INTRACARDIAC AND INTRAVASCULAR TEMPERATURES WITH RECTAL TEMPERATURES IN MAN

... Measurements of the temperature in the right heart, in the deep vessels leading to the right heart, in the femoral artery and in the rectum of 24 afebrile subjects showed: a there is a g[r] ...

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Curie-Temperature Variation and Microwave Absorption in Perovskites Containing Substitutional Impurities

Curie-Temperature Variation and Microwave Absorption in Perovskites Containing Substitutional Impurities

... The Curie-temperature and microwave losses are also affected by substitutional ...in Curie-temperature can not be accounted for simply by considering change in lattice parameters or polarisability of the ...

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Equation by equation estimation of the semi diagonal BEKK model with covariates

Equation by equation estimation of the semi diagonal BEKK model with covariates

... Equation by equation estimation of the semi-diagonal BEKK model with covariates Thieu, Le Quyen University Pierre and Marie Curie.[r] ...

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A piecewise deterministic scaling limit of Lifted Metropolis Hastings in the Curie Weiss model

A piecewise deterministic scaling limit of Lifted Metropolis Hastings in the Curie Weiss model

... As is common for weak limits of light-tailed Metropolis–Hasting algorithms, the limits of Metropolis–Hastings for Curie–Weiss are simple univariate diffusion processes. Interestingly, in determining the scaling ...

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Magnetic proximity enhanced Curie temperature of Cr doped Bi2Se3 thin films

Magnetic proximity enhanced Curie temperature of Cr doped Bi2Se3 thin films

... promising route [7], and magnetic proximity coupling through a deposited Fe overlayer has been shown to lead to an increased Curie temperature T C [11]. Nevertheless, the QAHE was not observed in Mn-doped ...

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Giant magnetostriction behavior at the Curie temperature of single crystal Gd5(Si0.5Ge0.5)4

Giant magnetostriction behavior at the Curie temperature of single crystal Gd5(Si0.5Ge0.5)4

... Thermal expansion along the c axis with B ⫽ 0 T is shown in Fig. 1. An abrupt change in strain of about 2000 ppm appears at T ⫽ 259.5 K on cooling, and at T ⫽ 261.5 K on heating. It has been verified that this is a first ...

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