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Related papers: Reentrant cluster glass behavior in La2CoMnO6 nano…

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We present here a detailed investigation into the magnetic ordering of full Heusler alloy Ga$_2$MnCo using dc, ac magnetization measurements, neutron diffraction and neutron depolarization experiments. Crystal structure at room temperature…

Strongly Correlated Electrons · Physics 2018-05-21 Tamalika Samanta , P. A. Bhobe , A. Das , A. Kumar , A. K. Nigam

We have investigated magnetic, dielectric and magnetodielectric properties of La2CoMnO6 nanoparticles prepared by sol-gel method. Magnetization measurements revealed two distinct ferromagnetic transitions at 218 K and 135 K that can be…

Materials Science · Physics 2015-06-03 J. Krishna Murthy , A. Venimadhav

A detailed study of the low-temperature magnetic state and the relaxation in the phase-separated colossal magnetoresistance Nd2/3Ca1/3MnO3 perovskite has been carried out. Clear experimental evidence of the cluster-glass magnetic behavior…

The ground state properties of the ferromagnetic shape memory alloy of nominal composition Ni2Mn1.36Sn0.64 have been studied by dc magnetization and ac susceptibility measurements. Like few other Ni-Mn based alloys, this sample exhibits…

Strongly Correlated Electrons · Physics 2015-05-13 S. Chatterjee , S. Giri , S. K. De , S. Majumdar

The dynamic magnetic properties of the distorted perovskite system La{0.7-x}Y{x}Ca{0.3}MnO{3} (0 <= x <= 0.15) have been investigated by ac-susceptibility and dc magnetization measurements, with emphasis on relaxation and aging studies.…

Strongly Correlated Electrons · Physics 2009-10-31 R. S. Freitas , L. Ghivelder , F. Damay , F. Dias , L. F. Cohen

The mixed-valent multiferroic compound CaMn7O12 is studied for its magnetic and electric properties. The compound undergoes magnetic ordering below 90 K with a helimagnetic structure followed by a low temperature magnetic anomaly observed…

Strongly Correlated Electrons · Physics 2013-07-23 J. Sannigrahi , S. Chattopadhyay , D. Dutta , S. Giri , S. Majumdar

We report here a detailed study of AC/DC magnetization and longitudinal/transverse transport properties of La$_{1.2}$Sr$_{1.8}$Mn$_{2}$O$_{7}$ single crystals below $T_{c}$ = 121 K. We find that the resistivity upturn below 40 K is related…

Strongly Correlated Electrons · Physics 2009-10-31 S. H. Chun , Y. Lyanda-Geller , M. B. Salamon , R. Suryanarayanan , G. Dhalenne , A. Revcolevschi

We have thoroughly investigated the entire magnetic states of under doped ferromagnetic insulating manganite Nd0.8Sr0.2MnO3 through temperature dependent linear and non linear complex ac magnetic susceptibility measurements. This…

Strongly Correlated Electrons · Physics 2015-05-19 S. Kundu , T. K. Nath

We report magnetic studies on gelatin coated NiO nanoparticles of average size 7 nm. Temperature and time dependence of dc magnetization, wait time dependence of magnetic relaxation (aging), memory effects in the dc magnetization and…

Mesoscale and Nanoscale Physics · Physics 2015-03-19 Vijay Bisht , K. P. Rajeev , Sangam Banerjee

Magnetic, electric and structural properties of La$_{0.96-y}$Nd$_y$K$_{0.04}$MnO$_{3+\delta}$ with 0$\leq y \leq$0.4 have been studied experimentally. A disordered magnetic state is formed as La is substituted by Nd, reflecting the…

Materials Science · Physics 2009-10-31 R. Mathieu , P. Svedlindh , P. Nordblad

We report the detailed analysis of specific heat [C$_{\rm P}$(T)] and ac-susceptibility for magnetically frustrated Sr$_{2-x}$La$_x$CoNbO$_6$ ($x=$ 0--1) double perovskites to understand low temperature complex magnetic interactions and…

Strongly Correlated Electrons · Physics 2020-11-30 Ajay Kumar , B. Schwarz , H. Ehrenberg , R. S. Dhaka

We report the synthesis, structure, and magnetic and transport properties of a new ternary intermetallic compound PrRhSn3 which crystallizes in LaRuSn3-type cubic structure (space group Pm-3n). At low applied fields the dc magnetic…

Strongly Correlated Electrons · Physics 2014-07-22 V. K. Anand , D. T. Adroja , A. D. Hillier

We report detailed studies on magnetic properties of Co3O4 nanoparticles of average size 12.5 nm. Temperature and field dependence of magnetization, wait time dependence of magnetic relaxation (aging), memory effects and temperature…

Mesoscale and Nanoscale Physics · Physics 2010-09-03 Vijay Bisht , K. P. Rajeev

We report a detailed magnetic, dielectric and Raman studies on partially disordered and biphasic double perovskite La2NiMnO6. DC and AC magnetic susceptibility measurements show two magnetic anomalies at TC1 ~ 270 K and TC2 ~ 240 K, which…

Materials Science · Physics 2015-06-18 Pradeep Kumar , S. Ghara , B. Rajeswaran , D. V. S. Muthu , A. Sundaresan , A. K. Sood

We have carried out a comprehensive investigation of magnetic properties of LuFe$_2$O$_4$, using AC susceptibility, DC magnetization and specific heat. A magnetic phase transition around $\sim$236 K was observed with DC magnetization and…

Strongly Correlated Electrons · Physics 2020-07-29 Fan Wang , Jungho Kim , G. D. Gu , Young-June Kim

We report detailed dc magnetization, linear and non-linear ac susceptibility measurements on the hole doped disordered cobaltite La$_{0.5}$Ba$_{0.5}$CoO$_3$. Our results show that the magnetically ordered state of the system consists of…

Strongly Correlated Electrons · Physics 2012-11-22 Devendra Kumar , A. Banerjee

We report that the spin-chain compound Dy2BaNiO5 recently proven to exhibit magnetoelectric coupling below its Neel temperature (T_N) of 58 K, exhibits strong frequency-dependent behavior in ac magnetic susceptibility and complex dielectric…

Strongly Correlated Electrons · Physics 2014-03-18 Tathamay Basu , P. L. Paulose , Kartik K Iyer , Kiran Singh , N. Mohapatra , S. Chowki , Babu Gonde , E. V. Sampathkumaran

We report the magnetic properties of magnetic nano-composite, consisting of different quantity of NiFe2O4 nanoparticles in polymer matrix. The nanoparticles exhibited a typical magnetization blocking, which is sensitive on the variation of…

Materials Science · Physics 2015-05-13 A. Poddar , R. N. Bhowmik , Amitabha De , Pintu Sen

Co$_2$C nanoparticles (NPs) are amongst transition metal carbides whose magnetic properties have not been well explored. A recent study by Nirmal Roy et al. [1] showed that a collection of Co$_2$C NPs exhibit an exchange bias (EB) effect…

Strongly Correlated Electrons · Physics 2023-09-25 Nirmal Roy , P C Mahato , Suprotim Saha , M. Telling , J. S. Lord , D T Adroja , S. S. Banerjee

A reentrant behavior of temperature dependent magnetic ac-susceptibility (or excess susceptibility(ES)) at lower temperature is observed in a composite made of superconductor $La_{1.85}Sr_{0.15}CuO_4$ (LCu) and an insulating paramagnetic…

Strongly Correlated Electrons · Physics 2024-07-02 Biswajit Dutta , A. Banerjee
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