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Giant magnetoresistance
2013
Proceedings of the National Academy of Sciences of the United States of America
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The technology, called giant magnetoresistance (GMR), manipulates the magnetic properties of electrons and takes magnetoresistance to a new level. ...
A read/write head sits above a computer hard disk, manipulating the stored information by the use of giant magnetoresistance. ...
doi:10.1073/pnas.1302494110
pmid:23471962
pmcid:PMC3593866
fatcat:d6aafad3hbbm5dtayy7xjwelcq
Giant magnetoresistance
2011
Scholarpedia
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Another application of the GMR effect is in magnetoresistive random access memory (MRAM), a type of nonvolatile semiconductor memory. ...
Leong and collaborators experimented with the interfacial resistance principle to show the magnetoresistance is suppressed to zero in NiFe/Cu/NiFe spin-valve at high amounts of interfacial resistance. ...
doi:10.4249/scholarpedia.6982
fatcat:rp7kftot3rggplqboaklswg2ny
Giant magnetoresistance inCe2Fe17
1997
Physical Review B (Condensed Matter)
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Below T c ϭ125 K, giant magnetoresistance ͑GMR͒ is induced by the metamagnetic transition from the antiferromagnetic to ferromagnetic states. ...
We called such an anomalously large magnetic field effect of resistivity ''giant magnetoresistance'' ͑GMR͒. ...
This word has first been used for huge magnetoresistance in magnetic superlattices. 3 Furthermore, in reentrant ferromagnetic SmMn 2 Ge 2 with the ThCr 2 Si 2 -type layered structure, 4 GMR has been ...
doi:10.1103/physrevb.56.13716
fatcat:bk22c5fnwbfdjkoyihtxskhdhy
The Giant Magnetoresistance Effect
[chapter]
1998
Frontiers in Magnetism of Reduced Dimension Systems
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Perspectives of giant magnetoresistance
[chapter]
2001
Solid state physics (New York. 1955)
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The present review is devoted to the physics of giant magnetoresistance. We emphasize the role of the spin-polarized electronic band structure, which is crucial for understanding GMR. ...
ACKNOWLEDGEMENTS The authors' interest in giant magnetoresistance began in 1995 through a collaborative research program with Hewlett-Packard Laboratories in Palo Alto. ...
and was, therefore, called "giant magnetoresistance" or GMR. ...
doi:10.1016/s0081-1947(01)80019-9
fatcat:ftiyrinyerfxva2caajfhwfor4
Giant magnetoresistance in semiconducting DyNiBi
2008
Solid State Communications
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2007 pre-print arXiv:0709.4182v1 fatcat:dazkmpxxgbewvl4olejvoepwnqOther Versions
The semiconducting half-Heulser compound DyNiBi shows a negative giant magnetoresistance (GMR) below 200 K. ...
At low temperature, a positive magnetoresistance is found, which can be suppressed by high fields. The magnitude of the positive magnetoresistance changes slightly with the amount of impurity phase. ...
Devices that have been built utilizing magnetoresistive (MR) effects have become important, e.g., devices built upon the giant magnetoresistance (GMR) effect [2, 3] . ...
doi:10.1016/j.ssc.2008.08.027
fatcat:gtcrlo4dp5axlk5jyovzuiari4
Paramagnons, weak disorder and positive giant magnetoresistance
[article]
1997
arXiv
pre-print
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As a consequence, positive giant magnetoresistance and giant corrections to the Hall coefficient arise. ...
We obtain very good agreement between this theory and recent positive giant magnetoresistance experiments, while making specific material-dependent predictions. ...
Plot of the giant magnetoresistance ∆R/R(0), ∆R = R(H) − R(0). The points are the experimental data of ref. ...
arXiv:cond-mat/9509073v3
fatcat:xirde4vlljabfbdwwebqnenyoe
Giant magnetoresistance in nanogranular magnets
2008
Europhysics letters
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We study the giant magnetoresistance of nanogranular magnets in the presence of an external magnetic field and finite temperature. ...
We show that the magnetization of arrays of nanogranular magnets has hysteretic behaviour at low temperatures leading to a double peak in the magnetoresistance which coalesces at high temperatures into ...
INTRODUCTION Recent experimental studies of magnetic nanoarrays [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14] revealed the giant magnetoresistance (MR) effect. ...
doi:10.1209/0295-5075/82/47002
fatcat:uctmnt6ng5dudn25hzxbipvrji
Giant magnetoresistance in silicene nanoribbons
2012
Nanoscale
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Anisotropic giant magnetoresistance in NbSb2
2014
Scientific Reports
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The metal-semiconductor crossover is preserved when the current is along the ac-plane but the magnetoresistant ratio is significantly suppressed. ...
The extremely large transverse magnetoreistance (the magnetoresistant ratio ∼ 1.3×10^5% in 2 K and 9 T field, and 4.3× 10^6% in 0.4 K and 32 T field, without saturation), and the metal-semiconductor crossover ...
FIG. 2 . 2 (color online) The anisotropic giant magnetoresistance of NbSb2. ...
doi:10.1038/srep07328
pmid:25476239
pmcid:PMC4256591
fatcat:rvzwnlpl7vdq3fcfpjdnggogpy
Multilayer Structures with Giant Magnetoresistance
2002
Acta Physica Polonica. A
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Mi cki ewicza 30, 30-059 Kra k §w, Po l and T h e phe nomeno logi cal de scrip tio n of the giant magnetoresistance e˜ect as w ell as the discussion of the re quirements w hich must be fulÙlled in giant ...
For these structures w e also discuss the inÛuence of the structure def ects such as surf ace roughness and pinholes on the giant magnetoresistance e˜ect. ...
doi:10.12693/aphyspola.102.95
fatcat:iyqtxwbfsvgjnge5nkcv2rp3ty
Anisotropic and giant magnetoresistive elements
1998
Philips Journal of Research
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The technology of magnetoresistive element (MRE) fabrication and integration as well as some experimental results on the performance of anisotropic and giant magnetoresistive elements are discussed. ...
Part of this work was carried out in the framework of the European Union ESPRIT3 Basic Research Project 'Study of magnetic Multilayers for magnetoresistive Sensors', SmMmS. ...
The structure, fabrication and properties of these materials, showing the giant magnetoresistance (GMR) or spin valve effect, are discussed elsewhere in this issue [2] . ...
doi:10.1016/s0165-5817(97)00005-3
fatcat:u42wblaulra6rb4sz22mos6glu
Giant Magnetoresistance in Hubbard Chains
2018
Physical Review Letters
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2018 pre-print arXiv:1803.08227v1 fatcat:7r6cjogytfbzxmb7vnm3hc4q4aOther Versions
The known picture that describes the giant magnetoresistance, by interpreting the scattering amplitudes of parallel or antiparallel polarized currents with local magnetizations, is obtained without having ...
use numerically unbiased methods to show that the one-dimensional Hubbard model with periodically distributed on-site interactions already contains the minimal ingredients to display the phenomenon of magnetoresistance ...
Introduction The phenomenon of giant magnetoresistance highlights the speed in which some results in basic research can be rapidly converted into technological applications. ...
doi:10.1103/physrevlett.121.020403
pmid:30085764
fatcat:jaqdie3enbcc7cshbaebdbmnfi
Microscopic mechanisms of giant magnetoresistance
1999
Physical Review B (Condensed Matter)
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We present magnetoresistance measurements aimed at answering several open questions in the understanding of giant magnetoresistance ͑GMR͒. ...
INTRODUCTION Although giant magnetoresistance ͑GMR͒ is applied nowadays in several devices, its understanding at the microscopic scale is not completely clear yet. 1 There are still a number of pending ...
A reference resistor and SQUIDbased null detector were used to measure the CPP magnetoresistance. ...
doi:10.1103/physrevb.60.6710
fatcat:x3it2cmspjh37gai7nuwiaod4i
Point-contact search for antiferromagnetic giant magnetoresistance
[article]
2008
arXiv
pre-print
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These measurements were intended to search for a recently predicted antiferromagnetic giant magnetoresistance (AGMR) similar to GMR seen in multilayers containing two ferromagnetic layers separated by ...
We report the first measurements of effects of large current densities on current-perpendicular-to-plane magnetoresistance (MR) of magnetic multilayers containing two antiferromagnetic layers separated ...
Giant Magnetoresistance (GMR) in ferromagnetic/nonmagnetic (F/N) multilayers has been a focus of intensive study for two decades, both for interesting fundamental physics [1, 2] and important industrial ...
arXiv:0711.0059v3
fatcat:3ialksunnzfpncz3nzi4hdxsjq
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