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Curie temperature

Cintia Raquel Duarte de Freitasa

Cintia Raquel Duarte de Freitasa

... by two coexisting phases, one with a rhombohedral structure and other with an orthorhombic structure. The increase of the compaction pressure favored the formation of the rhombohedral crystalline structure. The SEM ...

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Mat. Res.  vol.19 número4

Mat. Res. vol.19 número4

... In the present work, mixed manganese-copper ferrite of composition Mn x Cu 1-x Fe 2 O 4 (within x=0.40, 0.42, 0.44, 0.46, 0.48 and 0.50) have been investigated for their electric and magnetic properties such as dc ...

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Influence of rare-earth additives (La, Sm and Dy) on the microstructure and dielectric properties of doped BaTiO3 ceramics

Influence of rare-earth additives (La, Sm and Dy) on the microstructure and dielectric properties of doped BaTiO3 ceramics

... nearly Curie temperature and nearly flat and stable permittivity response of dielectric constant were observed for samples with higher dopant amount ...the temperature region from room ...

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Synthesis, structure and magnetic properties of Y3Fe5-xAlxO12 garnets prepared by the soft chemical method

Synthesis, structure and magnetic properties of Y3Fe5-xAlxO12 garnets prepared by the soft chemical method

... property. Above Curie temperature ferromagnetic mate- rial becomes paramagnetic. When exposed to an exter- nal magnetic field, YIG generates heat due to both Neel and Brown relaxation [13]. Once these ...

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Thermoelectric Power Studies Cu-Cd Nano Ferrites

Thermoelectric Power Studies Cu-Cd Nano Ferrites

... Thermoelectric Power Studies of Cadmium Substituted Copper nano Ferrites of various compositions were investigated from room temperature to well beyond the curie temperature by differential method. ...

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Effect of Temperature on the Structural and Magnetic Properties of NixCo1 – xFe2O4 Nanoparticles

Effect of Temperature on the Structural and Magnetic Properties of NixCo1 – xFe2O4 Nanoparticles

... analysis showed that the received rings are single phase with the cubic structure of spinel space group Fd3m. Dependence of the initial permeability from the degree of substitution of cobalt cations on nickel cations is ...

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STRUCTURAL AND DIELECTRIC STUDIES ON Sr0.5-3y/2LayBa0.5Nb2O6 CERAMIC SYSTEMS WITH VARIED SINTERING TIME AND La CONCENTRATION

STRUCTURAL AND DIELECTRIC STUDIES ON Sr0.5-3y/2LayBa0.5Nb2O6 CERAMIC SYSTEMS WITH VARIED SINTERING TIME AND La CONCENTRATION

... The Curie temperature (Tc) of the ceramic identiied from the dielectric studies performed in the temperature range of 28°C to ...The temperature dependent dielectric exhibits broad peaks ...

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Selection of the temperature of casting the bronzes to plaster moulds

Selection of the temperature of casting the bronzes to plaster moulds

... the temperature of casting the bronze to the mould on Figure ...the temperature of casting, and what joins with this executed along its axis the volumetric contraction grows up, especially bronze B555 ...

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Desulfovibrio gigas ferredoxin II: redox structural modulation of the [3Fe–4S] cluster

Desulfovibrio gigas ferredoxin II: redox structural modulation of the [3Fe–4S] cluster

... mational changes resulting from the breaking/formation of an internal disulfide bridge. The same 1 H NMR methodology used to fully assign the three cysteinyl li- gands of the [3Fe–4S] core in the oxidized state (DgFdII ox ...

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Investigation of low-temperature cofired ceramics packages for high-temperature SAW sensors

Investigation of low-temperature cofired ceramics packages for high-temperature SAW sensors

... handling and to protect the crystal, housing is needed. As packaging materials, two main families can be identified: metal housings with glass or glass-ceramic wire feedthrough for signal routing and ceramic housings ...

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Rev. Bras. Hist.  vol.35 número70 en 1806 9347 rbh

Rev. Bras. Hist. vol.35 número70 en 1806 9347 rbh

... “1. The research leading to these results has received funding from the People Programme (Marie Curie Actions) of the European Union Seventh Framework Programme (FP7/2007-2013) under grant agreement n° ...

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Magnetic resonance thermometry at 7T for real-time monitoring and correction of ultrasound induced mild hyperthermia.

Magnetic resonance thermometry at 7T for real-time monitoring and correction of ultrasound induced mild hyperthermia.

... non-invasive temperature measurement, there is limited data on the use of high field ($7T) scanners for this ...the temperature sensitivity of the proton resonance frequency (PRF) has been implemented in ...

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Rev. Bras. Hist.  vol.35 número70 rbh

Rev. Bras. Hist. vol.35 número70 rbh

... “1. The research leading to these results has received funding from the People Programme (Marie Curie Actions) of the European Union Seventh Framework Programme (FP7/2007-2013) under grant agreement n° ...

1

Month Minimum temperature (°C)

Month Minimum temperature (°C)

... ceiling temperature) for germination of the species may vary depending on the seed ...from temperature records schedules, tend to be more clustered suggesting little variation among thermal time ...

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Continuous temperature measurements on the pouring stand for casting moulds

Continuous temperature measurements on the pouring stand for casting moulds

... the temperature function, and for liquid cast iron alloys a violent fluctuations in its value ...the temperature measurement is provided when the spectral composition - not the energy - are ...thermodynamic ...

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T – isokinetic temperature, K;

T – isokinetic temperature, K;

... Through Figure 2, one can note that differential entropy had a similar trend as the integral isosteric heat of sorption regarding equilibrium moisture content variation. Such behavior was expected since entropy ...

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Impact of an improved radiation scheme in the MAECHAM5 General Circulation Model

Impact of an improved radiation scheme in the MAECHAM5 General Circulation Model

... associated with the change in the shortwave heating rates. As it is shown later, this warming, as well as the adjacent patterns of temperature minima and maxima, are understood to be a dynamical response to the ...

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Investigation of An Acoustic Temperature Transducer and its Application for Heater Temperature Measurement

Investigation of An Acoustic Temperature Transducer and its Application for Heater Temperature Measurement

... The speed varies depending on the medium through which the sound wave passes. If the medium is air, the speed varies depending on atmospheric conditions; the most important factor is temperature. The humidity has ...

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Decadal variability of soil CO2 NO, N2O, and CH4 fluxes at the Höglwald Forest, Germany

Decadal variability of soil CO<sub>2</sub> NO, N<sub>2</sub>O, and CH<sub>4</sub> fluxes at the Höglwald Forest, Germany

... ing period may finally prime also the decomposition of organic matter in the following growing season (Kuzyakov et al., 2000). Based on four years (2003–2006) of sub-daily measurements of soil respiration at adjacent ...

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Influence of availability of shade on testicular characteristics of Santa Ines rams

Influence of availability of shade on testicular characteristics of Santa Ines rams

... Testicular temperature is another important variable, when considering thermal stress and reproductive ...testicular temperature would lead to seminal degeneration, which is related to reduction of male ...

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