• Thumbnail for Giant magnetoresistance
    Giant magnetoresistance (GMR) is a quantum mechanical magnetoresistance effect observed in multilayers composed of alternating ferromagnetic and non-magnetic...
    49 KB (5,642 words) - 20:27, 20 April 2024
  • anisotropic magnetoresistance (AMR). Finally, in multicomponent or multilayer systems (e.g. magnetic tunnel junctions), giant magnetoresistance (GMR), tunnel...
    15 KB (1,882 words) - 19:25, 21 September 2024
  • Colossal magnetoresistance (CMR) is a property of some materials, mostly manganese-based perovskite oxides, that enables them to dramatically change their...
    10 KB (1,087 words) - 09:32, 8 February 2024
  • Thumbnail for 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...
    26 KB (3,271 words) - 01:38, 2 January 2024
  • Thumbnail for Galvanic isolation
    approach they do not require DC balancing. Magnetocouplers use giant magnetoresistance (GMR) to couple from AC down to DC. In a relay, the control signal...
    8 KB (925 words) - 01:25, 3 October 2024
  • normal metal by Johnson and Silsbee (1985) and the discovery of giant magnetoresistance independently by Albert Fert et al. and Peter Grünberg et al. (1988)...
    30 KB (3,333 words) - 17:31, 21 September 2024
  • Thumbnail for RKKY interaction
    significant application of the RKKY theory has been to the theory of giant magnetoresistance (GMR). GMR was discovered when the coupling between thin layers...
    7 KB (773 words) - 17:57, 21 September 2024
  • Thumbnail for Antiferromagnetism
    of the ferromagnets. Antiferromagnetism plays a crucial role in giant magnetoresistance, as had been discovered in 1988 by the Nobel prize winners Albert...
    9 KB (1,205 words) - 20:43, 7 October 2024
  • Thumbnail for Superlubricity
    black, which reflects very little light; giant magnetoresistance, in which very large but finite magnetoresistance effects are observed in alternating nonmagnetic...
    13 KB (1,368 words) - 02:45, 29 July 2024
  • Thumbnail for Crankshaft position sensor
    corresponding magnet attached to one of the pedals crankset arms. GMR (giant magnetoresistance) technology is also used for Crank, Cam rotor sensing purpose....
    7 KB (855 words) - 06:15, 14 May 2024
  • Thumbnail for Peter Grünberg
    Prize in Physics laureate for his discovery with Albert Fert of giant magnetoresistance which brought about a breakthrough in gigabyte hard disk drives...
    16 KB (1,512 words) - 08:28, 30 August 2024
  • Thumbnail for Albert Fert
    March 1938) is a French physicist and one of the discoverers of giant magnetoresistance which brought about a breakthrough in gigabyte hard disks. Currently...
    10 KB (977 words) - 08:28, 30 August 2024
  • Thumbnail for Digital Compact Cassette
    although hard disks now use the giant magnetoresistance variant, whereas DCCs used the earlier anisotropic magnetoresistance. A derivative technology developed...
    30 KB (4,371 words) - 00:04, 11 September 2024
  • Thumbnail for Magnetic storage
    effect was much greater than in earlier types, and was dubbed "giant" magnetoresistance (GMR). In today's heads, the read and write elements are separate...
    18 KB (2,106 words) - 16:21, 7 May 2024
  • Thumbnail for Disk read-and-write head
    introduced improvement in MR technology called GMR (giant magnetoresistance) and TMR (tunneling magnetoresistance). The transition to perpendicular magnetic recording...
    10 KB (1,225 words) - 02:35, 18 September 2024
  • Thumbnail for Hard disk drive
    magnetic recording (TDMR) and "current perpendicular to plane" giant magnetoresistance (CPP/GMR) heads have appeared in research papers. Some drives have...
    138 KB (14,052 words) - 21:51, 7 October 2024
  • should not be confused with the separate physical phenomenon of Giant Magnetoresistance. GMI is caused by the penetration length that is a measure of how...
    8 KB (979 words) - 18:39, 29 January 2023
  • medium itself is not damaged (see below). Modern hard drives use Giant magnetoresistance and have a higher magnetic lifespan on the order of decades. They...
    14 KB (1,554 words) - 12:02, 4 September 2024
  • Thumbnail for Transition metal dichalcogenide monolayers
    transition-metal dichalcogenides, e.g., WTe2 exhibits anomalous giant magnetoresistance and superconductivity. The discovery of graphene shows how new...
    93 KB (10,303 words) - 07:22, 20 August 2024
  • Thumbnail for Nanotechnology
    microprocessors are capable of creating features smaller than 100 nm. Giant magnetoresistance-based hard drives already on the market fit this description, as...
    69 KB (7,038 words) - 13:15, 20 August 2024
  • satellite phones Giant magnetoresistance, a quantum mechanical magnetoresistance effect Giant monopole resonance, in physics, a form of giant resonance Glass...
    2 KB (224 words) - 23:27, 23 February 2021
  • background 2004 – Exceptional properties of graphene discovered 2007 – Giant magnetoresistance recognized (Nobel prize, Albert Fert and Peter Grünberg) 2008 –...
    21 KB (2,191 words) - 23:11, 21 September 2024
  • Thumbnail for Graphene
    Na; Lourembam, James; Kumaravadivel, Piranavan (April 2023). "Giant magnetoresistance of Dirac plasma in high-mobility graphene". Nature. 616 (7956):...
    265 KB (27,721 words) - 11:00, 9 October 2024
  • Thumbnail for List of Nobel laureates in Physics
    1945) 2007 Albert Fert (b. 1938) French "for the discovery of giant magnetoresistance" Peter Grünberg (1939–2018) German 2008 Makoto Kobayashi (b. 1944)...
    113 KB (3,277 words) - 19:25, 9 October 2024
  • achievements Peter Grünberg 2007 1939–2018 "for the discovery of Giant Magnetoresistance (GMR)" Reinhard Genzel 2020 * 1952 "for the discovery of a supermassive...
    17 KB (68 words) - 19:41, 14 August 2024
  • Thumbnail for History of hard disk drives
    Deskstar 16 GB "Titan" – 16,800 megabytes, five 3.5-inch disks; first Giant Magnetoresistance (GMR) heads 1997 – Seagate introduces the first hard drive with...
    45 KB (4,842 words) - 20:07, 1 October 2024
  • 2006/07 Albert Fert  France for their independent discovery of the giant magnetoresistance phenomenon (GMR), thereby launching a new field of research and...
    16 KB (254 words) - 09:15, 4 July 2024
  • Thumbnail for Current sensing
    measuring alternating current (AC) or high speed current pulses. Giant Magnetoresistance(GMR): Magnetic field sensor suitable for AC & DC Current with higher...
    18 KB (2,463 words) - 18:39, 12 September 2024
  • Thumbnail for List of German inventions and discoveries
    scanning tunneling microscope by Gerd Binnig 1988: Discovery of giant magnetoresistance by Peter Grünberg 1994: STED microscopy by Stefan Hell and Jan...
    230 KB (19,850 words) - 02:48, 27 August 2024
  • peaks. Other effects associated with the alternating layering are: giant magnetoresistance, tunable reflectivity for X-ray and neutron mirrors, neutron spin...
    24 KB (3,236 words) - 19:38, 21 September 2024