magnetic properties and structure of chromium niobium oxide

Magnetic properties and structure of chromium

Request PDF on ResearchGate Magnetic properties and structure of chromium niobium oxide and iron tantalum oxide Crystal structures were obtained from X-ray powder patterns. The magnetic ...

Magnetic properties and structure of chromium

Cited by: 16

Magnetic properties and structure of chromium

Title: Magnetic properties and structure of chromium niobium oxide and iron tantalum oxide: Authors: Christensen, A. N.; Johanssen, T.; Lebech, B. Affiliation: AA ...

Niobium - Wikipedia

Pronunciation: /naɪˈoʊbiəm/ ​(ny-OH-bee-əm)

Chromium trioxide - Wikipedia

  中文网页Chemical formula: CrO₃

Optical and structural properties of chromium

Cited by: 1

Chromium(IV) oxide - Wikipedia

  中文网页Appearance: black tetrahedral ferromagnetic crystals

Magnetic and Structural Properties of A-Site Ordered ...

2018-1-24  Magnetic and Structural Properties of A-Site Ordered Chromium Spinel Sulfides: Alternating Antiferromagnetic and Ferromagnetic Interactions in the Breathing Pyrochlore Lattice Yoshihiko Okamoto1,*, Masaki Mori1, Naoyuki Katayama1, Atsushi Miyake2, Masashi Tokunaga2, Akira Matsuo 2, Koichi Kindo , and Koshi Takenaka1

Tantalum pentoxide - Wikipedia

  中文网页Chemical formula: Ta₂O₅

Structure, electronic and magnetic properties of Ca

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Magnetic Properties and Structure of Chromium

Magnetic Properties and Structure of Chromium Niobium Oxide and Iron Tantalum Oxide By A. Nørlund Christensen, T. Johansson and Bente Lebech No static citation data No static citation data Cite

Synthesis and magnetic properties of

A series of mesoporous niobium oxide materials were synthesized in order to understand the role of pore size and thickness of the walls in the mesostructure on the magnetic properties. Mesoporous ...

Niobium (Nb) AMERICAN ELEMENTS

2019-11-5  Niobium oxide has been used in metallic glass and smart windows, and is increasingly used in electronics and optics due to its high dielectric constant; lithium niobium oxide (lithium niobate, or LiNBO) is a common non-linear optical crystal. Due to its similar properties and wider availability, niobium is a potential lower-cost subsitite for ...

Niobium (Nb) - Chemical properties, Health and ...

Niobium. Niobium is a rare, soft, malleable, ductile, gray-white metal. It has a body-centered cubic crystalline structure and in its physical and chemical properties it resembles tantalum.It must be placed in a protective atmosphere when processed at even moderate temperatures because it tends to react with oxygen, carbon, the halogens, nitrogen, and sulfur.

Niobium Oxide Nanoparticles / Nanopowder

2019-11-19  Niobium Oxide (Nb 2 O 5) Nanopowder, Nanoparticles, nanodots or nanocrystals are spherical or faceted high surface area oxide magnetic nanostructured particles. Nanoscale Niobium Oxide Particles are typically 20-100 nanometers (nm) with specific surface area (SSA) in the 25 - 50 m 2 /g range and also available with an average particle size of ...

Cobalt(II,III) oxide ≥99.99% trace metals basis Sigma ...

Vistas in Current Magnetic Materials Research. Magnetism and magnetic materials have been of scientific interest for over 1,000 years. More recently, fundamental investigations have focused on exploring the various types of magnetic materials and...

Niobium - Element information, properties and uses ...

Both niobium and tantalum are found together in the mineral columbite, a mixed oxide that also contains iron and manganese, and they have similar chemical and physical properties. In fact Niobium was originally named columbium after Columbia, because of its discovery in a

Compare Niobium vs Vanadium Compare properties

Niobium alloys are used in jet engines and rockets and spacecraft, beams and girders for buildings and oil and gas pipelines. It is used superconducting magnets in

Chromium(IV) oxide — Wikipedia Republished // WIKI 2

2019-9-26  Chromium(IV) oxide. Quite the same Wikipedia. Just better. Live Statistics. English Articles. Improved in 24 Hours. Added in 24 Hours. Languages. Recent.

Cobalt(II,III) oxide powder, <10 μm Sigma-Aldrich

3D Printing of Carbon Fiber-Reinforced Composites. 3D printing is a type of additive manufacturing that can be used to rapidly fabricate components with highly customizable geometries, most typically using a layer-by-layer fabrication process. 3D pri...

Formation, Structures, and Reactivities of Niobium

2019-3-8  Niobium oxide cluster ions are produced by a laser-induced plasma source. The cluster distribution, collision-induced dissociation (CID), and cluster reactivities are studied using a triple-quadrupole mass spectrometer. CID experiments on the cluster ions Nb3O7-9+, Nb4O9-11+, and Nb5O12+ reveal that their building blocks are Nb2O5, NbO2+, NbO3, Nb3O7+, O, and O2, whereby

"Synthesis and electronic, magnetic properties of low ...

Herein I report the synthesis of a new family of organometallic reduced mesoporous niobium oxide composites with mixed oxidation-state organometallic nanowires in the pores and investigate their electronic and magnetic properties. This is a wonderful system which allows us to systematically study one-dimensional molecular metals based on the respective organometallic species and the reducible ...

Chromium(IV) oxide - Infogalactic: the planetary

2018-8-19  Chromium dioxide or chromium(IV) oxide is an inorganic compound with the formula CrO 2.It is a black synthetic magnetic solid. It once was widely used in magnetic tape emulsion. With the increasing popularity of CDs and DVDs, the use of chromium(IV) oxide has declined.However, it is still used in data tape applications for enterprise-class storage systems.

Determination of Zirconium, Niobium, Vanadium and

Abstract: Appropriate ratio of mixing digestion solvent which consist of HF and HNO3 have been tested firstly and combine with the high-pressure sealed microwave heating method, the titanium ore samples can be quickly and completely digested into solution. Then the elements content of zirconium, niobium, vanadium, chromium can be determined at the same time by applying the inductively coupled ...

Template:Infobox niobium - Wikipedia

2019-10-19  Parameters In general. Usually parameters reproduce the value, and the template adds the SI unit or additional standard text. While the topic is technical, we can strive to make the result readable text, and even verbose.

Chromium (Cr) - Chemical properties, Health and ...

Chromium (IV) oxide (CrO 2) is used to manufacture magnetic tape. Chromium in the environment. Chromium is mined as chromite (FeCr 2 O 4) ore. Chromium ores are mined today in South Africa, Zimbabwe, Finland, India, Kazakihstan and the Philippines. A total of

Chromium - Crystal Structure

2019-11-16  Niobium is a chemical element with atomic number 41 which means there are 41 protons and 41 electrons in the atomic structure. The chemical symbol for Niobium is Nb. Niobium is a soft, grey, ductile transition metal, often found in the minerals pyrochlore (the main commercial source for niobium

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2005-4-26  Temperature dependence of magnetic properties of zinc and niobium doped strontium hexaferrite nanoparticles ... Doping effect on crystal structure and magnetic properties of chromium-substituted strontium hexaferrite nanoparticles

Synthesis and electronic, magnetic properties of ... -

Abstract. Herein I report the synthesis of a new family of organometallic reduced mesoporous niobium oxide composites with mixed oxidation-state organometallic nanowires in the pores and investigate their electronic and magnetic properties.

US3954519A - Iron-chromium-cobalt spinodal

A spinodal decomposition-type hard or semi-hard magnetic alloy consisting by weight essentially of 3 to 20 % cobalt, 10 to 40 % chromium, 0.2 to 5 % one or both of niobium and tantalum, 0 to 5 % aluminum and the balance of iron. When aluminum is to be incorporated, its lower limit should be 0.5 %.

Materials science and engineering, an introduction Chapter ...

2011-1-13  Materials science and engineering, an introduction Chapter 20 Magnetic properties_工学_高等教育_教育专区 ... It is employed mainly on rigid disk drives and consists of a multilayered structure. A magnetic thin-film layer is the actual storage component (see ...

Niobium - Thermal Conductivity

2019-11-19  Chromium is a chemical element with atomic number 24 which means there are 24 protons and 24 electrons in the atomic structure. The chemical symbol for Chromium is Cr. Chromium is a steely-grey, lustrous, hard and brittle metal4 which takes a high polish, resists tarnishing, and

Chromium(IV) oxide - WikiMili, The Free Encyclopedia

2019-3-20  Chromium dioxide or chromium(IV) oxide is an inorganic compound with the formula CrO2. It is a black synthetic magnetic solid. It once was widely used in magnetic tape emulsion. With the increasing popularity of CDs and DVDs, the use of chromium(IV) oxide has declined. However, it

magnetic properties of paramagnetic compounds subvolume ...

2017-5-13  magnetic properties of paramagnetic compounds subvolume b, magnetic susceptibility data – part 2.pdf 981页 本文档一共被下载: 次 ,您可全文免费在线阅读后下载本文档。

ultrathin chromium, silicon and carbon spacer layers ...

2018-8-23  chromium. In contrary, this is not the case for chromium, where higher oxygen content induces ferromagnetic order. Chromia (Cr2O3), the most stable chromium oxide, is an antiferromagnetic insulator with excellent dielectric properties for attempts to utilize this material as a "gate" dielectric in future spintronic devices [77,78].

Chromium trioxide - Material DB - RoHS - Reach

Chromium trioxide is an inorganic compound with the formula CrO3. It is the acidic anhydride of chromic acid, and is sometimes marketed under the same name. This compound is a dark-purple solid under anhydrous conditions, bright orange when wet and which dissolves in water concomitant with hydrolysis.

Chromium(IV) oxide - WikiVisually

Chromium dioxide or chromium(IV) oxide is an inorganic compound with the formula CrO 2.It is a black synthetic magnetic solid, it once was widely used in magnetic tape emulsion. With the increasing popularity of CDs and DVDs, the use of chromium(IV) oxide has declined.However, it is still used in data tape applications for enterprise-class storage systems, it is still considered by many oxide ...

Vanadium(IV) oxide - Infogalactic: the planetary

2018-8-19  Properties Structure. At temperatures below T c =340 K, VO 2 has a monoclinic (space group P2 1 /c) crystal structure. Above T c, the structure is tetragonal, like rutile TiO 2.In the monoclinic phase, the V 4+ ions form pairs along the c axis, leading to alternate short and long V-V distances of 2.65 Å and 3.12 Å. In comparison, in the rutile phase the V 4+ ions are separated by a fixed ...

Synthesis, Crystal Structure and Magnetic Properties

Synthesis, Crystal Structure and Electrochemical Properties of a New Adduct of Benzo-15-crown-5 and H3PMo12O40 Synthesis, Crystal Structure and Magnetic Properties of Bixbyite-type Vanadium Oxide Nitrides; A New Blue-emitting Diimine Copper(I) Complex: Synthesis, Crystal Structure and Photophysical Properties

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29. Meiye Jia, Johan van der Tol, Yejun Li, Valeriy Chernyy, Joost M. Bakker, Nhân Lê Pham, Minh Tho Nguyen, and Ewald Janssens*, Effect of Chromium Doping on the Magnetic Properties of Small Cationic Cobalt Clusters, J. Phys. Condensed Phys 28.