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Magnetic Properties – Ruthenium
May 30 , 2018
2242 days
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- Scientists from the University of Minnesota, US have discovered that chemical element ruthenium (Ru) is the fourth element to have unique magnetic properties (ferromagnetism) at room temperature.
- So far only three periodic table elements Iron (Fe), Cobalt (Co), and Nickel (Ni) have been found to be ferromagnetic at room temperature.
- Researchers showed that Ru can be fourth single element ferromagnetic material by using ultra-thin films to force ferromagnetic phase.
- The discovery will help to improve sensors, devices in computer memory and logic industry or other devices using magnetic materials.
- From an application perspective, Ru is interesting because it is resistant to oxidation and additional has high thermal stability – a vital requirement for scaling magnetic memories.
- Ruthenium is a chemical element with symbol Ru and atomic number 44.
- It is rare transition metal belonging to a platinum group of the periodic
- Like other metals of the platinum group, it is inert to most other chemicals.
- It was discovered in 1844 by Russian-born scientist Karl Ernst.
- It was named Ruthenium, after Latin name of Russia.
- Ruthenium is usually found as a minor component of platinum ores.
- It is used in wear-resistant electrical contacts and thick-film resistors.
- Its minor application is in platinum alloys and as a chemical
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