29 citations · 158 across the 19 of their papers we have counts for
19 papers
Effect of rare-earth (Er and Gd) substitution on the magnetic and multiferroic properties of DyFe0.5Cr0.5O3
Mohit K. Sharma, Tathamay Basu, K. Mukherjee +1
We report the results of our investigations on the influence of partial substitution of Er and Gd for Dy on the magnetic and magnetoelectric properties of DyFe0.5Cr0.5O3, which is…
Anisotropic magnetodielectric coupling behavior of Ca3Co1.4Rh0.6O6 due to geometrically frustrated magnetism
Tathamay Basu, Kartik K. Iyer, Kiran Singh +3
We have investigated the magnetic, dielectric and magnetodielectric (MDE) behavior of a geometrically frustrated spin-chain system, Ca3Co1.4Rh0.6O6, in the single crystalline form…
Magnetic anomalies in single crystalline Tb5Si3
Kartik K. Iyer, K. Mukherjee, P. L. Paulose +3
The polycrystalline form of the compound, Tb5Si3, crystallizing in Mn5Si3-type hexagonal structure, which was earlier believe to order antiferromagnetically below 69 K, has been re…
The nature of 4f electron magnetism in the diluted ferromagnetic Kondo lattice, CeIr2B2
K Mukherjee, Kartik K Iyer, E V Sampathkumaran
We report on the physical properties of the series Ce_(1-x)La_xIr_2B_2 (x D 0-0.9), obtained by means of magnetization, heat capacity and electrical resistivity measurements as a f…
4f-hybridization effect on the magnetism of Nd2PdSi3, an anomalous magnetic compound
K. Mukherjee, Tathamay Basu, Kartik K. Iyer +1
Among the members of the series R2PdSi3 (R= Rare-earths), the magnetic behavior of the Nd compound is interesting in some respects. This compound is considered to order ferromagnet…
Contrasting magnetic behavior of fine particles of some Kondo Lattices
K. Mukherjee, Kartik K. Iyer, E. V. Sampathkumaran
We have investigated the magnetic behavior of ball-milled fine particles of well-known Kondo lattices, CeAu2Si2, CePd2Si2 and CeAl2, by magnetization and heat-capacity studies in o…
Isothermal magnetic entropy behavior in Tb5Si3: Sign reversal and non-monotonic variation with temperature, and implications
Niharika Mohapatraa, Sitikantha D. Das, K. Mukherjee +1
The magnetic entropy change (\DeltaS), a measure of the magnetocaloric effect, in Tb5Si3, a compound exhibiting unusual positive magnetoresistance following a magnetic-field-induce…
Evolution of a metastable phase with a magnetic phase coexistence phenomenon and its unusual sensitivity to magnetic field cycling in the alloys Tb5-xLuxSi3 (x <= 0.7)
K. Mukherjee, Kartik K. Iyer, E. V. Sampathkumaran
Recently, we reported an anomalous enhancement of the positive magnetoresistance beyond a critical magnetic field in Tb5Si3 in the magnetically ordered state, attributable to 'inve…
Magnetic behavior of bulk and fine particles of RCr2Si2C (R = La, Ce)compounds: possible magnetic ordering from Cr
K. Mukherjee, Kartik K. Iyer, E. V. Sampathkumaran
The magnetic behavior of the quaternary compounds, RCr2Si2C (R = La, Ce), has been investigated by magnetization (M) and heat-capacity (C) measurements (1.8-300 K) in the bulk poly…
A first-order magnetic phase transition near 15 K with novel magnetic-field-induced effects in Er5Si3
Niharika Mohapatra, K. Mukherjee, Kartik K. Iyer +1
We present magnetic characterization of a binary rare-earth intermetallic compound Er5Si3, crystallizing in Mn5Si3-type hexagonal structure, through magnetization, heat-capacity, e…
Glass-like ordering and spatial inhomogeneity of magnetic structure in Ba3FeRu2O9 : The role of Fe/Ru-site disorder
Srimanta Middey, Sugata Ray, K. Mukherjee +7
Several doped 6H hexagonal ruthenates, having the general formula Ba3MRu2O9, have been studied over a significant period of time in order to understand the unusual magnetism of rut…
Enhanced electrical resistance at the field-induced magnetic transitions in some stoichiometric and nonstoichiometric Tb-based ternary germanides
K. Mukherjee, Kartik K Iyer, E. V. Sampathkumaran
We present the magnetic and transport behavior of some Tb compounds, viz., TbIrGe2, TbFe(0.4)Ge2, and TbCo(0.4)Ge2. The stoichoometric germanide TbIrGe2 exhibits at least two disti…
Transport and magnetic behavior under pressure and high-resolution photoemission studies of Ce2Rh(o.7)Co(0.3)Si3, an alloy on the verge of quantum critical point
K. Mukherjee, Kartik K Iyer, Swapnil Patil +2
We report the influence of external pressure on the temperature dependence of magnetization and electrical resistivity as well as high-resolution photoemission studies for an alloy…
Magnetism of fine particles of Kondo lattices, obtained by high-energy ball-milling
E. V. Sampathkumaran, K. Mukherjee, Kartik K Iyer +2
Despite intense research in the field of strongly correlated electron behavior for the past few decades, there has been very little effort to understand this phenomenon in nano par…
Synthesis of fine particles of a geometrically frustrated spin-chain system, Ca3Co2O6, through a pyrophoric route and its magnetic behavior
K. Mukherjee, E. V. Sampathkumaran
We report the synthesis of fine particles of a well-known geometrically frustrated spin-chain compound Ca3Co2O6 through a new route, namely, a pyrophoric method employing triathano…
Ferromagnetic feature from Mn near room temperature in the fine particles of GdMn2Ge2 and TbMn2Ge2
K. Mukherjee, Kartik K Iyer, E. V. Sampathkumaran
The magnetization behaviors of GdMn2Ge2 and TbMn2Ge2 in the bulk and in the fine particles obtained by high-energy ball-milling are compared. Pronounced modificayions in the sponta…
An anomalous butterfly-shaped magnetoresistance loop in an alloy, Tb4LuSi3
K. Mukherjee, Sitikantha D Das, Niharika Mohapatra +2
Magnetic-field (H) induced first-order magnetic transition and the assiciated electronic phase-separation phenomena are active topics of research in magnetism. Magnetoresistance (M…
Magnetic and electrical transport anomalies in RMAs2 (R= Pr and Sm, M= Ag and Au)
K. Mukherjee, E. V. Sampathkumaran, D. Rutzinger +2
The results of magnetization, heat-capacity, and electrical resistivity (rho) studies of the compounds, RMAs2 (R= Pr and Sm; M= Ag, Au), crystallizing in HfCuSi2-derived structure…
Influence of pressure on the magnetic behavior and the anomalous magnetoresistance in Tb5Si3
Niharika Mohapatra, Sitikantha D Das, K. Mukherjee +2
The compound, Tb5Si3, crystallizing in Mn5Si3-type hexagonal structure, was recently reported by us to exhibit a sudden and huge enhancement in electrical resistivity (rho) at a cr…