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12 papers · 2 filters
Sign reversal in the exchange bias and the collapse of hysteresis width across the magnetic compensation temperature in a single crystal of Nd0.75Ho0.25Al2
Prasanna D. Kulkarni, A. Thamizhavel, V. C. Rakhecha +4
In the admixed Nd0.75Ho0.25Al2 system, magnetic moments of Nd and Ho occupying the same crystallographic site are antiferromagnetically coupled and the chosen stoichiometry display…
Exchange bias and its phase reversal in the zero magnetization admixed rare earth intermetallics
Prasanna D. Kulkarni, S. Venkatesh, A. Thamizhavel +3
Exchange bias effect is an important attribute in several device applications. Traditionally, it is discussed as a form of exchange anisotropy at the interface between the ferromag…
Magnetic Behavior of Single Crystalline Pr_{5}Ge_{3} and Tb_{5}Ge_{3}Compounds
Devang A. Joshi, A. Thamizhavel, S. K. Dhar
The results of the magnetization studies on Pr_{5}Ge_{3}and Tb_{5}Ge_{3} single crystals are reported. Single Crystals of Pr_{5}Ge_{3} and Tb_{5}Ge_{3} compounds were successfully…
Crystal Growth and Anisotropic Magnetic Properties of RAgGe (R = Pr, Nd and Sm) Single Crystals
Devang A. Joshi, R. Nagalakshmi, R. Kulkarni +2
We report the single crystal growth and anisotropic magnetic properties of the tetragonal RAgGe (R = Pr, Nd and Sm) compounds which crystallize in the ThCrSi type c…
Semiclassical spin liquid state of easy axis Kagome antiferromagnets
Arnab Sen, Kedar Damle, R. Moessner
Motivated by recent experiments on Nd-langasite, we consider the effect of strong easy axis single-ion anisotropy on spins interacting with antiferromagnetic exchange…
Stability of geometrically frustrated magnetic state of Ca3CoRhO6 to applications of positive and negative pressure
Niharika Mohapatra, Kartik K Iyer, Sudhindra Rayaprol +2
The influence of negative chemical pressure induced by gradual replacement of Ca by Sr as well as of external pressure (up to 10 kbar) on the magnetism of Ca3CoRhO6 has been invest…
Magnetic behavior of nanocrystalline LaMn2Ge2
S. Narayana Jammalamadaka, Sitikantha D Das, B. A. Chalke +1
The compound, LaMn2Ge2, crystallizing in ThCr2Si2-type tetragonal crystal structure, has been known to undergo ferromagnetic order below (T_C=) 326 K. In this article, we report th…
An insight into spin-chain magnetism through Moessbauer spectroscopic investigations in Eu-doped Ca3Co2O6 and Ca3CoRhO6
P. L. Paulose, Niharika Mohapatra, E. V. Sampathkumaran
We report the results of 151Eu Moessbauer effect and magnetization measurements in the Eu-doped Ca3Co2O6 and Ca3CoRhO6, which are of great current interest in the fields of spin-ch…
Magnetism in Gallium doped CeFe_2: The martensitic scenario
Arabinda Haldar, K. G. Suresh, A. K. Nigam
Ce(Fe_{1-x}Ga_x)_2 compounds with x = 0, 0.01, 0.025 and 0.05 have been investigated to unravel the effect of Ga on the magnetic state of CeFe_2. For the first time, we find that t…
Repeated magnetic compensation behaviour in Nd0.75Gd0.25Rh3B2 alloy having hexagonal structure and planar anisotropy
Prasanna D. Kulkarni, U. V. Vaidya, V. C. Rakhecha +5
The results of dc and ac magnetization, electrical resistance and heat capacity studies in an admixed rare earth alloy Nd0.75Gd0.25Rh3B2, which is close to the zero magnetization l…
Electronic and magnetic properties of a quasi-one-dimensional spin chain system, SrNiRhO
S. K. Pandey, Kalobaran Maiti
We investigate the electronic structure of SrNiRhO, a quasi-one-dimensional spin chain system using \emph{ab initio} band structure calculations. Spin polarized calculation…
Crystal growth and ambient and high pressure study of the reentrant superconductor Tm_2Fe_3Si_5
Yogesh Singh, S. Ramakrishnan
We report single crystal growth of the reentrant superconductor Tm_2Fe_3Si_5, and measurements of the anisotropic static magnetic susceptibility χ(T) and isothermal magnetization M…