C30B29/24

METHOD OF DESIGNING MAGNETISM IN COMPOSITIONALLY COMPLEX OXIDES

A method of forming a single phase compositionally complex material including a plurality of transition metals is provided. The method includes creating a magnetic phase diagram to predict magnetic behavior, by calculating expected magnetic states and calculating the spin structure factor by Fourier transform; calculating the spin structure factor by Fourier transform; obtaining a transition temperature from the spin structure factor; selecting the plurality of transition metals and corresponding transition metal composition ratios for the material based on a desired magnetic behavior and the calculated spin structure factor; and forming the material that is a compositionally complex transition metal oxide comprising the plurality of transition metals at the selected composition ratios. The material may be a compositionally complex ABO.sub.3 perovskite film in which A is La and B is the plurality of transition metals including Cr, Mn, Fe, Co, and Ni.

SYNTHESIS OF EUROPIUM HALIDE PEROVSKITES IN SOLUTION PHASE

A solution phase synthesis process for preparing a rare earth perovskite, the process includes reacting an alkali metal material with a first surfactant ligand in the presence of a first solvent to obtain a first precursor complex solution; reacting a rare earth metal halide with a second surfactant ligand in the presence of a second solvent to obtain a second precursor complex solution; and reacting the first precursor complex solution with the second precursor complex solution in the presence of a third surfactant ligand and a third solvent to obtain the rare earth perovskite; wherein: the rare earth perovskite is in the form of nanocrystals; and the first solvent and third solvent comprise a non-coordinating solvent.

Magneto-optical light modulator

The invention relates to a magneto-optical light modulator (100) for modulating light based on a physical property provided as an input to the modulator (100), the modulator (100) comprising a substrate (114) with a region of material (130) comprising a film of Eu.sub.(1-x)Sr.sub.(x)MO.sub.3 (112), an optical waveguide (106; 108) adapted for directing light through the region of material (130) and a first control unit, the first control unit being adapted to—maintain the region of material (130) at a constant predefined temperature in case the physical property is an input magnetic field subject to the region of material (130) or—maintain the region of material (130) subjected to a constant predefined magnetic field in case the physical property is an input temperature of the region of material (130), the light modulator (100) being adapted to perform the modulation of the light using the birefringence of the region of material (130), the birefringence depending on the physical property.

Magneto-optical light modulator

The invention relates to a magneto-optical light modulator (100) for modulating light based on a physical property provided as an input to the modulator (100), the modulator (100) comprising a substrate (114) with a region of material (130) comprising a film of Eu.sub.(1-x)Sr.sub.(x)MO.sub.3 (112), an optical waveguide (106; 108) adapted for directing light through the region of material (130) and a first control unit, the first control unit being adapted to—maintain the region of material (130) at a constant predefined temperature in case the physical property is an input magnetic field subject to the region of material (130) or—maintain the region of material (130) subjected to a constant predefined magnetic field in case the physical property is an input temperature of the region of material (130), the light modulator (100) being adapted to perform the modulation of the light using the birefringence of the region of material (130), the birefringence depending on the physical property.

Method of fabricating a turbine engine part

A method of fabricating a turbine engine part, the method including fabricating an ingot out of ceramic material of eutectic composition by performing the Czochralski process including putting a seed of the ingot that is to be obtained into contact with a molten bath of a mixture of eutectic composition in order to initiate the formation of the ingot on the seed, the mixture including at least two ceramic compounds; drawing the ingot from the molten bath while imposing on the ingot that is being formed a drawing speed less than or equal to 10 mm/h together with rotation at a speed of rotation less than or equal to 50 rpm; and machining the ingot as fabricated in this way in order to obtain the turbine engine part.

Method of fabricating a turbine engine part

A method of fabricating a turbine engine part, the method including fabricating an ingot out of ceramic material of eutectic composition by performing the Czochralski process including putting a seed of the ingot that is to be obtained into contact with a molten bath of a mixture of eutectic composition in order to initiate the formation of the ingot on the seed, the mixture including at least two ceramic compounds; drawing the ingot from the molten bath while imposing on the ingot that is being formed a drawing speed less than or equal to 10 mm/h together with rotation at a speed of rotation less than or equal to 50 rpm; and machining the ingot as fabricated in this way in order to obtain the turbine engine part.

High transmittance single crystal YAP scintillators
10663605 · 2020-05-26 · ·

A single crystal yttrium aluminum perovskite scintillator has a minimum thickness of at least 5 mm and a transmittance of at least 50% at a wavelength of 370 nm. A method for fabricating the yttrium aluminum perovskite scintillator includes acquiring a yttrium aluminum perovskite single crystal boule, annealing the yttrium aluminum perovskite single crystal boule in an oxygen containing environment to obtain a partially annealed crystal, and annealing the partially annealed crystal in an inert environment or a reducing environment to obtain the yttrium aluminum perovskite single crystal scintillator.

High transmittance single crystal YAP scintillators
10663605 · 2020-05-26 · ·

A single crystal yttrium aluminum perovskite scintillator has a minimum thickness of at least 5 mm and a transmittance of at least 50% at a wavelength of 370 nm. A method for fabricating the yttrium aluminum perovskite scintillator includes acquiring a yttrium aluminum perovskite single crystal boule, annealing the yttrium aluminum perovskite single crystal boule in an oxygen containing environment to obtain a partially annealed crystal, and annealing the partially annealed crystal in an inert environment or a reducing environment to obtain the yttrium aluminum perovskite single crystal scintillator.

HIGH TRANSMITTANCE SINGLE CRYSTAL YAP SCINTILLATORS
20200003912 · 2020-01-02 · ·

A single crystal yttrium aluminum perovskite scintillator has a minimum thickness of at least 5 mm and a transmittance of at least 50% at a wavelength of 370 nm. A method for fabricating the yttrium aluminum perovskite scintillator includes acquiring a yttrium aluminum perovskite single crystal boule, annealing the yttrium aluminum perovskite single crystal boule in an oxygen containing environment to obtain a partially annealed crystal, and annealing the partially annealed crystal in an inert environment or a reducing environment to obtain the yttrium aluminum perovskite single crystal scintillator.

HIGH TRANSMITTANCE SINGLE CRYSTAL YAP SCINTILLATORS
20200003912 · 2020-01-02 · ·

A single crystal yttrium aluminum perovskite scintillator has a minimum thickness of at least 5 mm and a transmittance of at least 50% at a wavelength of 370 nm. A method for fabricating the yttrium aluminum perovskite scintillator includes acquiring a yttrium aluminum perovskite single crystal boule, annealing the yttrium aluminum perovskite single crystal boule in an oxygen containing environment to obtain a partially annealed crystal, and annealing the partially annealed crystal in an inert environment or a reducing environment to obtain the yttrium aluminum perovskite single crystal scintillator.