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RESEARCH PRODUCT
Giant magnetoresistance in semiconducting DyNiBi
Claudia FelserFrederick Caspersubject
ParamagnetismMagnetizationColossal magnetoresistanceMaterials scienceCondensed matter physicsMagnetoresistanceImpurityPhase (matter)Materials ChemistryGiant magnetoresistanceGeneral ChemistryMetal–insulator transitionCondensed Matter Physicsdescription
Abstract The semiconducting half-Heulser compound DyNiBi shows a negative giant magnetoresistance (GMR) below 200 K. Except for a weak deviation, this magnetoresistance scales roughly with the square of the magnetization in the paramagnetic state, and is related to the metal–insulator transition. 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.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2008-11-01 | Solid State Communications |