[go: up one dir, main page]

Kumar et al., 2017 - Google Patents

Multifunctional role of dysprosium in HfO 2: stabilization of the high temperature cubic phase, and magnetic and photoluminescence properties

Kumar et al., 2017

Document ID
5949057116043050612
Author
Kumar S
Rai S
Rath C
Publication year
Publication venue
Physical Chemistry Chemical Physics

External Links

Snippet

Hafnium oxide (HfO2) can exist in different crystalline structures such as monoclinic at room temperature, tetragonal at 1700° C and cubic at 2600° C. In the present study, nanocrystalline powders of HfO2 synthesized by a Pechini type sol–gel technique show a …
Continue reading at pubs.rsc.org (other versions)

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74—Physical characteristics
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; MISCELLANEOUS COMPOSITIONS; MISCELLANEOUS APPLICATIONS OF MATERIALS
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/628—Coating the powders or the macroscopic reinforcing agents
    • C04B35/62802—Powder coating materials
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
    • C01P2002/85—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by XPS, EDX or EDAX data
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology

Similar Documents

Publication Publication Date Title
Kumar et al. Multifunctional role of dysprosium in HfO 2: stabilization of the high temperature cubic phase, and magnetic and photoluminescence properties
Auwal et al. Structural, morphological, optical, cation distribution and Mössbauer analysis of Bi3+ substituted strontium hexaferrite
Arora et al. Structural, optical and magnetic properties of Sm doped ZnO at dilute concentrations
Jayachandraiah et al. Influence of cerium dopant on magnetic and dielectric properties of ZnO nanoparticles
Djerdj et al. Diluted magnetic semiconductors: Mn/Co-doped ZnO nanorods as case study
Dang et al. Effect of Fe3+ substitution on structural, optical and magnetic properties of barium titanate ceramics
Patel et al. Structural and magnetic properties of Co-doped Gd2O3 nanorods
Sultan et al. Effect of Mn doping on structural, morphological and dielectric properties of EuFeO 3 ceramics
Juliet Josephine Joy et al. Structural, magnetic and optical behavior of pristine and Yb doped CoWO4 nanostructure
Muneeswaran et al. Effect of Tb substitution on structural, optical, electrical and magnetic properties of BiFeO3
Reddy et al. Hydrothermal synthesis of wurtzite Zn1− xNixS mesoporous nanospheres: With blue–green emissions and ferromagnetic Curie point above room temperature
Jayanthi et al. Dielectric properties of 3d transition metal substituted BaTiO3 ceramics containing the hexagonal phase formation
Murugan et al. Defect assisted room temperature ferromagnetism on rf sputtered Mn doped CeO2 thin films
Sharma et al. Multiferroic behavior of nanocrystalline BaTiO3 sintered at different temperatures
Basith et al. Preparation of high crystalline nanoparticles of rare-earth based complex pervoskites and comparison of their structural and magnetic properties with bulk counterparts
Hue et al. Magnetic properties of (1− x) Bi0. 5Na0. 5TiO3+ xMnTiO3 materials
Sambasivam et al. Intense violet–blue emission and paramagnetism of nanocrystalline Gd3+ doped ZnO ceramics
Gheorghiu et al. Preparation and structural characterization of Fe-doped BaTiO3 diluted magnetic ceramics
Madhan et al. Enhancement of electrical and magnetic properties in acceptor-doped BaTiO3 ferroelectric ceramics
López-Esquivel et al. Green synthesis, structural and luminescent characterization of BaZrO3: Eu3+ nanoparticles
Santos et al. Structural, microstructural, and luminescent properties of laser-sintered Eu-doped YAG ceramics
Tomar et al. Investigations on structural and magnetic properties of Mn doped Er2O3
Ibrahim et al. The effect of europium doping on the structural and magnetic properties of GdMnO3 multiferroic ceramics
Sowjanya et al. Comparison of structural, optical, electrical and magnetic properties between Ni0. 5Co0. 5Gd0. 005Tb0. 005Fe1. 99O4 and Ni0. 5Co0. 5Gd0. 0033Tb0. 0033Dy0. 0033Fe1. 99O4
Dhak et al. Hydrothermal synthesis, structural analysis and room-temperature ferromagnetism of Y2O3: Co2+ nanorods