Tata Institute of Fundamental Research

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19912026

most citedSciPy 1.0--Fundamental Algorithms for Scientific Computing in Python

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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

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Showing 1998 · cond-mat.str-elShow all

8 papers · 2 filters

cond-mat.str-el1998

The magnetoresistance in GdNi: Magnetic-polaronic-like effect near Curie temperature and low temperature sign reversal

R. Mallik, E. V. Sampathkumaran, P. L. Paulose +1

The results of magnetoresistance ( $Δ ρ / ρ$ )measurements in GdNi, in the temperature range 4.2 to 300 K are reported. The sign of $Δ ρ / ρ$ above the Curie temperature (Tc= 70 K) is nega…

cond-mat.str-el1998★ 6 cited

Residual resistivity ratio and its relation to the positive magnetoresistance behavior in natural multilayer LaMn2Ge2; relevance to artificial multilayer physics

S. Majumdar, R. Mallik, E. V. Sampathkumaran +1

Results of low temperature magnetoresistance ( $Δ ρ / ρ$ ) and isothermal magnetization (M) measurements on polycrystalline ferromagnetic (T_C close to 300 K) natural multilayers, LaMn_…

cond-mat.str-el1998

The effect of the total density of states at Fermi level on spin polarised tunnelling in granular La0.55Ho0.15Sr0.3MnO3

P. Raychaudhuri, A. K. Nigam, R. Pinto +2

We study the spin polarised tunnelling mechanism through magnetisation and magnetoresistance in the granular polycrystalline colossal magnetoresistive manganite, La0.55Ho0.15Sr0.3M…

cond-mat.str-el1998★ 88 cited

Large Low Temperature Magnetoresistance and Magnetic Anomalies in Tb $_{2}$ PdSi $_{3}$ and Dy $_{2}$ PdSi $_{3}$

R. Mallik, E. V. Sampathkumaran, P. L. Paulose

The results of heat-capacity, magnetic susceptibility, electrical resistivity and magnetoresistance $(Δ ρ / ρ)$ measurements on the compounds Tb $_{2}$ PdSi $_{3}$ and Dy $_{2}$ PdSi $_{3}$ , are re…

cond-mat.str-el1998★ 99 cited

Observation of a temperature dependent electrical resistance minimum above the magnetic ordering temperature in Gd $_{2}$ PdSi $_{3}$

R. Mallik, E. V. Sampathkumaran, M. Strecker +1

Results on electrical resistivity, magnetoresistance, magnetic Results on electrical resistivity, magnetoresistance, magnetic susceptibility, heat capacity and Gd Mossbauer measure…

cond-mat.str-el1998★ 10 cited

Transport and magnetic anomalies due to A-site ionic size mismatch in La $_{0.5}$ Ca $_{0.5 - x}$ Ba_{x}MnO $_{3}$

R. Mallik, E. S. Reddy, P. L. Paulose +2

We present results of electrical resistivity, magnetoresistance and ac and dc magnetic susceptibility on polycrystalline samples of the type La(0.5)Ca(0.5-x)Ba(x)MnO(3) synthesized…

cond-mat.str-el1998★ 127 cited

Spin polarized tunneling in the half-metallic ferromagnet La0.7Sr0.3MnO3: experiment and theory

P. Raychaudhuri, K. Sheshadri, P. Taneja +4

The magnetoresistance (MR) in polycrystalline colossal magnetoresistive compounds follows a behavior different from single crystals below the ferromagnetic transition temperature.…

cond-mat.str-el1998

Magnetic field dependent variable range hopping behaviour in resistivity at low temperatures in polycrystalline colossal magnetoresistive manganites: evidence of spin polarised tunnelling

P. Raychaudhuri, P. Taneja, S. Sarkar +3

It has been observed that the low temperature magnetoresistance behaviour in polycrystalline colossal magnetoresistive (CMR) manganites differ significantly from the single crystal…

The magnetoresistance in GdNi: Magnetic-polaronic-like effect near Curie temperature and low temperature sign reversal

Residual resistivity ratio and its relation to the positive magnetoresistance behavior in natural multilayer LaMn2Ge2; relevance to artificial multilayer physics

The effect of the total density of states at Fermi level on spin polarised tunnelling in granular La0.55Ho0.15Sr0.3MnO3

Large Low Temperature Magnetoresistance and Magnetic Anomalies in Tb2​PdSi3​ and Dy2​PdSi3​

Observation of a temperature dependent electrical resistance minimum above the magnetic ordering temperature in Gd2​PdSi3​

Transport and magnetic anomalies due to A-site ionic size mismatch in La0.5​Ca0.5−x​Ba_{x}MnO3​

Spin polarized tunneling in the half-metallic ferromagnet La0.7Sr0.3MnO3: experiment and theory

Magnetic field dependent variable range hopping behaviour in resistivity at low temperatures in polycrystalline colossal magnetoresistive manganites: evidence of spin polarised tunnelling

Large Low Temperature Magnetoresistance and Magnetic Anomalies in Tb $_{2}$ PdSi $_{3}$ and Dy $_{2}$ PdSi $_{3}$

Observation of a temperature dependent electrical resistance minimum above the magnetic ordering temperature in Gd $_{2}$ PdSi $_{3}$

Transport and magnetic anomalies due to A-site ionic size mismatch in La $_{0.5}$ Ca $_{0.5 - x}$ Ba_{x}MnO $_{3}$