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Nickel oxide overview
Compounds with the chemical name NiO are compounds containing nickel (II). It is the principal oxide of Nickel. Nickel oxide, a thermally stable, highly insoluble source of nickel, is suitable for applications such as glass, ceramics, and optics. Nickel oxide, the main nickel oxide, is a crystalline green solid. Every year, millions of kilos of nickel oxide powder (NiO), which is 99.999% pure in nature are produced. Oxide doesn’t conduct electricity.
Certain oxides of the perovskite structural have conductivity on the cathodes for solid oxide fuel cell and oxygen generation systems. Compounds containing one or more metal cations and at least one oxygen ion. These compounds are stable and insoluble in aqueous solution (water). They can be used for ceramic structures and even for the production of simple clay bowls to house advanced electronic devices.
Metal oxides react with acids, strong reducing substances and oxidizing agents. Nickel oxide can be produced as powders, particles, tablets, sputtering tracers, or nanopowders. Nickel oxide can usually be obtained immediately in many cases. Nickel oxide in high purity, nanopowder and submicron forms are possible.
What uses does nickel oxide have?
Nickel oxide can be used for electrical ceramics like thermistors or varistors. As a ceramic, glass and glaze pigment, ferrite (nickelzinc ferrite), can be used.
NiO can be used for a number of professional purposes. In general, “chemical grade” is distinguished from “metallurgical quality”. Chemical grade is a relatively purified material that is used in special applications. Metallurgical grade is used primarily for alloy production. In the ceramics sector, it’s used to make glass frits and enamels. It is used in the production of nickel steel alloys. Charles Edouard Guillaume received the 1920 Nobel Prize in Physics in recognition of his research on nickel steel alloys that he called Invar or Irenevar.
NiO, or hole transport material, is used in thin-film photovoltaic cells. NiO is also used in the manufacture of nickel-iron battery (also called Edison batteries) as well as fuel cells. It is also the precursor of several nickel salts used in specialty chemicals and as catalysts. NiO has been used for many years to produce NiCd rechargeable battery used in electronic devices. In complementary electrochromic devices, NiO is used as anode electrode instead of tungsten dioxide (cathode electrode).
About 4,000 tons of chemical-grade NiO are produced annually. Black NiO, formed from mineral acid treatment, is the precursor to nickel sal. NiO can be used as a hydrogenation catalyst.
The reduction of nickel oxide to metallic Nickel can be achieved by heating with hydrogen or carbon. When heated to high temperatures (>700degC), nickel oxide can be combined with sodium and potassium oxides to produce nickelates.
Is nickel oxide soluble in water?
Nickel oxide dissolves in ammonium hydroxide, potassium cyanide, and acid. It is insoluble with hot and cold water as well as a caustic solution.
Use collinear nickel-oxide insulators in conjunction to generate spin-polarized voltage
The antiferromagnetic material has shown great promise in spintronics because it is resistant to magnetic field disturbances. It also does not produce stray fields and has a very fast dynamics. It is still very difficult to create and manipulate spin-polarized ions in these materials due to their symmetry. Nickel oxide can help overcome the limitation.
We have constructed a prototype junction consisting of a gold-nickel-gold-gold junction, in which a collinear nickel oxide insulator can destroy the spin sublattice symmetry using an external bias voltage. A system like this demonstrates spin-polarized currents when it induces non-equivalent transmittal of spin up and spin down currents.
Zhang Xianmin said, “In collinear antiferromagnetic material, spin-polarized present is not possible due to the symmetry” of the spin sublattice. “Here, the bias voltage can destroy the symmetry of antiferromagnetic antiferromagnetic Spin Sublattice, and then induce a spin-polarized in the collinear material.”
This work provides a method to improve large resistance mismatches, which prevent small spin injections from the metal to the semiconductor. It will also make it easier to combine semiconductor electronics and spintronics.
By changing the bias voltage, the team could not only adjust the amplitude but also the direction of spin polarization. The system can achieve 80% positive spin-polarization by using a bias voltage around 0.9 Volts. However, negative spin-polarization requires 1.6 Volts.
Zhang hopes that his findings will help pave a way for new antiferromagnetic spinning devices and will continue to explore such materials.
Nickel oxide – acid or alkaline
Unless stated otherwise, the data provided on materials is at standard conditions. (at 25degC, 77degF and 100 kPa). Nickel hydroxide, also known as NiO(OH), is an inorganic chemical compound. It is an insoluble black solid that will not dissolve in any solvants. However, it can be dissolved by acids and alkalis.
Is nickel oxide magnetic?
The solution-growth method is used to produce branched nanocrystals of nickel oxide with a narrow size distribution. The magnetic characterization results show that NiO Nanocrystals less than 12.8 nm in size exhibit a weak ferromagnetic phase at room temperatures due to spins which are not compensated.
UiTM electrical engineers’ innovative nickel oxide nano carnation packaging won the MTE 2020 gold award and International Merit Award.
The lecturer for electrical engineering at Teknologi MARA University Malaysia won a Gold Medal in the recent Malaysia Technology Expo. Their project is titled “Humidity Sensing Based on New Nickel-Oxide Nano-Carnation Synthesized By Low-Temperature Infusion Method”. Dr. Assoc. Mohamad Hassan Mamat was also awarded the International Merit Award at the 2020 Malaysia Technology Expo.
The present invention proposes a manufacturing method for a cheap humidity sensor that is based on nickel-oxide nanostructures. The sensor produced has a high sensitivity for water or humidity molecules. You can manufacture sensors using the solution-immersion method at low temperatures.
MTE has been held annually in Malacca Malaysia since 2001. It is now one of the largest international invention shows. This year MTE is being managed by PROTEMP Group and University of Malacca Malaysia. SIRIM Tech Venture Sdn Bhd. It is the subsidiary of SIRIM Berhad that provides commercial service for innovations generated through research and development activities in Malaysia. Over 500 local and foreign inventions were displayed over the course of the three day exhibition.
(aka. Technology Co. Ltd. (aka. Click on the product to send us an inquiry.
Certain oxides of the perovskite structural have conductivity on the cathodes for solid oxide fuel cell and oxygen generation systems. Compounds containing one or more metal cations and at least one oxygen ion. These compounds are stable and insoluble in aqueous solution (water). They can be used for ceramic structures and even for the production of simple clay bowls to house advanced electronic devices.
Metal oxides react with acids, strong reducing substances and oxidizing agents. Nickel oxide can be produced as powders, particles, tablets, sputtering tracers, or nanopowders. Nickel oxide can usually be obtained immediately in many cases. Nickel oxide in high purity, nanopowder and submicron forms are possible.
What uses does nickel oxide have?
Nickel oxide can be used for electrical ceramics like thermistors or varistors. As a ceramic, glass and glaze pigment, ferrite (nickelzinc ferrite), can be used.
NiO, or hole transport material, is used in thin-film photovoltaic cells. NiO is also used in the manufacture of nickel-iron battery (also called Edison batteries) as well as fuel cells. It is also the precursor of several nickel salts used in specialty chemicals and as catalysts. NiO has been used for many years to produce NiCd rechargeable battery used in electronic devices. In complementary electrochromic devices, NiO is used as anode electrode instead of tungsten dioxide (cathode electrode).
About 4,000 tons of chemical-grade NiO are produced annually. Black NiO, formed from mineral acid treatment, is the precursor to nickel sal. NiO can be used as a hydrogenation catalyst.
The reduction of nickel oxide to metallic Nickel can be achieved by heating with hydrogen or carbon. When heated to high temperatures (>700degC), nickel oxide can be combined with sodium and potassium oxides to produce nickelates.
Is nickel oxide soluble in water?
Nickel oxide dissolves in ammonium hydroxide, potassium cyanide, and acid. It is insoluble with hot and cold water as well as a caustic solution.
Use collinear nickel-oxide insulators in conjunction to generate spin-polarized voltage
The antiferromagnetic material has shown great promise in spintronics because it is resistant to magnetic field disturbances. It also does not produce stray fields and has a very fast dynamics. It is still very difficult to create and manipulate spin-polarized ions in these materials due to their symmetry. Nickel oxide can help overcome the limitation.
We have constructed a prototype junction consisting of a gold-nickel-gold-gold junction, in which a collinear nickel oxide insulator can destroy the spin sublattice symmetry using an external bias voltage. A system like this demonstrates spin-polarized currents when it induces non-equivalent transmittal of spin up and spin down currents.
Zhang Xianmin said, “In collinear antiferromagnetic material, spin-polarized present is not possible due to the symmetry” of the spin sublattice. “Here, the bias voltage can destroy the symmetry of antiferromagnetic antiferromagnetic Spin Sublattice, and then induce a spin-polarized in the collinear material.”
By changing the bias voltage, the team could not only adjust the amplitude but also the direction of spin polarization. The system can achieve 80% positive spin-polarization by using a bias voltage around 0.9 Volts. However, negative spin-polarization requires 1.6 Volts.
Zhang hopes that his findings will help pave a way for new antiferromagnetic spinning devices and will continue to explore such materials.
Nickel oxide – acid or alkaline
Unless stated otherwise, the data provided on materials is at standard conditions. (at 25degC, 77degF and 100 kPa). Nickel hydroxide, also known as NiO(OH), is an inorganic chemical compound. It is an insoluble black solid that will not dissolve in any solvants. However, it can be dissolved by acids and alkalis.
Is nickel oxide magnetic?
The solution-growth method is used to produce branched nanocrystals of nickel oxide with a narrow size distribution. The magnetic characterization results show that NiO Nanocrystals less than 12.8 nm in size exhibit a weak ferromagnetic phase at room temperatures due to spins which are not compensated.
UiTM electrical engineers’ innovative nickel oxide nano carnation packaging won the MTE 2020 gold award and International Merit Award.
The lecturer for electrical engineering at Teknologi MARA University Malaysia won a Gold Medal in the recent Malaysia Technology Expo. Their project is titled “Humidity Sensing Based on New Nickel-Oxide Nano-Carnation Synthesized By Low-Temperature Infusion Method”. Dr. Assoc. Mohamad Hassan Mamat was also awarded the International Merit Award at the 2020 Malaysia Technology Expo.
The present invention proposes a manufacturing method for a cheap humidity sensor that is based on nickel-oxide nanostructures. The sensor produced has a high sensitivity for water or humidity molecules. You can manufacture sensors using the solution-immersion method at low temperatures.
MTE has been held annually in Malacca Malaysia since 2001. It is now one of the largest international invention shows. This year MTE is being managed by PROTEMP Group and University of Malacca Malaysia. SIRIM Tech Venture Sdn Bhd. It is the subsidiary of SIRIM Berhad that provides commercial service for innovations generated through research and development activities in Malaysia. Over 500 local and foreign inventions were displayed over the course of the three day exhibition.
(aka. Technology Co. Ltd. (aka. Click on the product to send us an inquiry.