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GMR Group is an Indian multinational conglomerate headquartered in New Delhi. The group was founded in 1978 by Grandhi Mallikarjuna Rao and comprises several companies including GMR Infrastructure, GMR Energy, GMR Airports, GMR Enterprises. Employing the public-private partnership model, the Group has implemented several infrastructure projects ...
Giant magnetoresistance. Giant magnetoresistance (GMR) is a quantum mechanical magnetoresistance effect observed in multilayers composed of alternating ferromagnetic and non-magnetic conductive layers. The 2007 Nobel Prize in Physics was awarded to Albert Fert and Peter Grünberg for the discovery of GMR, which also sets the foundation for the ...
Website. G.M. Rao. Grandhi Mallikarjuna Rao (born 14 July 1950) is a mechanical engineer, billionaire industrialist, the founder chairman of GMR Group, [1] a global infrastructure developer and operator based in India. [2][3] Started in 1978, GMR Group is now present in 7 countries, active in energy, highways, large urban development and ...
Tunnel magnetoresistance. Tunnel magnetoresistance (TMR) is a magnetoresistive effect that occurs in a magnetic tunnel junction (MTJ), which is a component consisting of two ferromagnets separated by a thin insulator. If the insulating layer is thin enough (typically a few nanometres), electrons can tunnel from one ferromagnet into the other.
In May 2006, the management of the airport was passed over to Delhi International Airport Limited (DIAL), a consortium led by the GMR Group. [18] In September 2008, the airport inaugurated a 4,430 m (14,530 ft) runway. With the commencement of operations at Terminal 3 in 2010, it became India's and South Asia's largest aviation hub.
Megawide Construction Corporation (PSE: MWIDE) is a Philippine conglomerate, founded in 1997 as a mid-size construction firm by civil engineers Edgar Saavedra and Michael Cosiquien in Quezon City, Philippines. In 2004, the company grew to incorporate assets in engineering, procurement, and construction (EPC), Airport Infrastructure, and ...
Magnetoresistance is the tendency of a material (often ferromagnetic) to change the value of its electrical resistance in an externally-applied magnetic field. There are a variety of effects that can be called magnetoresistance. Some occur in bulk non-magnetic metals and semiconductors, such as geometrical magnetoresistance, Shubnikov–de Haas ...
Colossal magnetoresistance. Colossal magnetoresistance ( CMR) is a property of some materials, mostly manganese -based perovskite oxides, that enables them to dramatically change their electrical resistance in the presence of a magnetic field. The magnetoresistance of conventional materials enables changes in resistance of up to 5%, but ...