Sharp fall of electrical resistance for a small application of magnetic field on a metastable form of a compound, Tb<SUB>5</SUB>Si<SUB>3</SUB>, under pressure
- Iyer, Kartik K.
- Sampathkumaran, E. V.
DOIAbstract
We report an unusual sensitivity of electrical resistivity (ρ) to an application of a small magnetic field in an intermetallic compound, Tb<SUB>5</SUB>Si<SUB>3</SUB>, under pressure. In this compound, there is a magnetic-field-induced first-order magnetic transition at 1.8 K. Under pressure, there is a metastable magnetic phase after reducing the field to zero. This metastable phase is relatively of higher ρ and interestingly a small magnetic field (< 2 kOe) in the reverse direction results in a sharp fall of ρ to restore virgin state ρ. The present finding could be relevant in spintronic applications
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