Curie Temperature
High Temperature XRD of Phase Transition in Piezoelectric PbNb2O6 across its Curie temperature
... Piezoelectric materials are finding increasing utilization as sensors, actuators, ultrasonic imaging devices, and in many other commercially profitable applications. For applications in critical areas like Fast Breeder ...
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Using ferromagnetic nanoparticles with low Curie temperature for magnetic resonance imaging-guided thermoablation
... It was proved that silica-coated LSMO ferromagnetic NPs with a low Curie temperature can be used as a contrast agent. They are efficient due to their high relaxivity, which enables lower doses to be used ...
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Curie Temperature of Non Stoichiometric Ni Doped Lithium Tantalate
... From the experience, we have proposed the new vacancy models which are able to describe substitutional mechanism in Ni-doped lithium tantalate. Calculations of the Curie temperature in Ni-doped non ...
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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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Curie-Temperature Variation and Microwave Absorption in Perovskites Containing Substitutional Impurities
... In the present study ,we will discuss the impurity concentration dependence of Curie- temperature and microwave losses in an anharmonic displacive ferroelectric crystal in paraelectric phase. Double-time ...
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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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Giant magnetostriction behavior at the Curie temperature of single crystal Gd5(Si0.5Ge0.5)4
... the temperature was controlled using a closed cycle helium ...transition temperature was found to be ...the temperature hysteresis indicate that it is a first order ...the Curie ...
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Curie temperature of weakly shocked target basalts at the Lonar impact crater, India
... (χ); Curie temperature (T C ); the ratios: remanence of coercivity to coercive force (Hcr/Hc) and the remanent magnetization to saturation remanence ...
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Effect of Shape and Size on Curie Temperature, Debye Frequency, Melting Entropy and Enthalpy of Nanosolids
... frequency, Curie temperature, melting entropy and enthalpy for the size and shape dependent of the low dimension nanosolids is established based on number of bonds, relaxation factor and bond ...frequency, ...
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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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High curie temperature ternary piezoelectric ceramics
... US 8,524,109 B2 1 2 HIGH CURIE TEMPERATURE TERNARY PIEZOELECTRIC CERAMICS solid solution Wherein the proportions of the perovskite metal oxides BiFeO3, PbZrO3, and PbTiO3 are controlled [r] ...
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Curie temperature determination via thermogravimetric and continuous wavelet transformation analysis
... then Curie temperature is measured, as opposed to Zero Field Cooling where the sample is raised above the Curie temperature with no external magnetic field, neglecting the Earth’s natural ...
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Predicting the Curie temperature of ferromagnets using machine learning
... Magnets [1, 2], compounds in which the atomic spins arrange themselves yielding a macroscopic order, are known since antiquity, but still represent a fascinating class of materials. In these, the interplay between the ...
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Spin-Density Correlations and Short-Range Order in Metals above the Curie Temperature
... culated by formula (6), where the spin correlator is given by the exact formula (8), high-temperature formula (11) and formula with the energy cutoff (13). The integrand of (6) is shown in Fig. 3. Results of the ...
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A-Site Strain and Displacement in Ba1-xCaxTiO3 and Ba1-xSrxTiO3 and the Consequences for the Curie Temperature
... Comparing this to BCT, a slightly larger variation in the mean A-O separation over the composition range and a larger difference between the average Ca-O and Ba-O separations is observed[r] ...
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Increased Curie Temperature Induced by Orbital Ordering in La0 67Sr0 33MnO3/BaTiO3 Superlattices
... C for LSMO and BTO, respectively. A KrF excimer laser (λ = 248 nm) with a 2 Hz repetition rate was employed. Energy of 350 and 300 mJ was focused on the targets to obtain the LSMO and BTO layers, respectively. After the ...
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Enhancement of Ferromagnetic Ordering Curie Temperature in N Doped MgO under Hydrostatic Pressure
... We have explored the magnetic properties of Nitrogen doped cubic MgO using the full potential linearized augmented plane wave (FP-LAPW) method. The unit cell has 128 atoms, and two Nitrogen atoms are placed in the ...
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EFFECT OF NIOBIUM, TITANIUM AND MOLYBDENUM ADDITIONS TO Sm
... limited temperature range: 130 °C to +200 ...low Curie temperature (312 °С) of the intermetallic compound: Nd 2 Fe 14 B and the bottom limit - with spin-orientation ...
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Synthesis Of LiTiMg-Ferrite For The Applications Of X Band
... IV. THEORY FOR ANTENNA APPLICATION The prepared LiTiMg - ferrite with high magnetic saturation and high Curie temperature is best fitted as a substrate for the high frequency microstrip antennas. For a ...
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Effect of Synthesis Temperature on Structure and Magnetic Properties of (La,Nd)0 7Sr0 3MnO3 Nanoparticles
... Magnetic state of nanoparticles is usually quite in- homogeneous due to significant contribution from the surface layer, whose properties differ from the properties of the nanoparticle core, and due to the scatter in ...
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