441 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- CSIR National Physical Laboratory of IndiaIN125 papers
- Academy of Scientific and Innovative ResearchIN58 papers
- Indian Institute of Science BangaloreIN20 papers
- Indian Institute of Technology KanpurIN18 papers
- Bhabha Atomic Research CentreIN15 papers
- Jamia Millia IslamiaIN15 papers
- University of DelhiIN15 papers
- Indian Institute of Technology BombayIN12 papers
- Jawaharlal Nehru UniversityIN11 papers
- National Chemical LaboratoryIN11 papers
- Jawaharlal Nehru Centre for Advanced Scientific ResearchIN8 papers
- University of St AndrewsGB8 papers
30 papers · 1 filter
Tuneable electron-magnon coupling of ferromagnetic surface states in PdCoO
Federico Mazzola, Chi-Ming Yim, Veronika Sunko +11
Controlling spin wave excitations in magnetic materials underpins the burgeoning field of magnonics. Yet, little is known about how magnons interact with the conduction electrons o…
Magnetic frustration and spontaneous rotational symmetry breaking in PdCrO2
Dan Sun, Dmitry Sokolov, Jack Bartlett +8
In the triangular layered magnet PdCrO2 the intralayer magnetic interactions are strong, however the lattice structure frustrates interlayer interactions. In spite of this, long-ra…
Probing the Griffiths like phase, unconventional dual glassy states, giant exchange bias effects and its correlation with its electronic structure in Pr2-xSrxCoMnO6
Arkadeb Pal, Prajyoti Singh, Vinod K Gangwar +7
Electronic structure, electrical transport, dc and ac magnetization properties of the hole substituted (Sr2+) partially B-site disordered double perovskite Pr2-xSrxCoMnO6 system ha…
Giant negative magnetoresistance and kinetic arrest of first-order ferrimagnetic-antiferomagnetic transition in Ge doped MnSb
Vikram Singh, R Rawat, Pallavi Kushwaha
Effect of Ge substitution on first order ferrimagnetic (FRI) - antiferromagnetic (AFM) transition in MnSb has been studied. It shows that transition temperature (T) can be…
Probing the multi spin-phonon coupling and local B-site disorder in Pr2CoFeO6 by Raman spectroscopy and correlation with its electronic structure by X-ray photoemission spectroscopy
Arkadeb Pal, Surajit Ghosh, Amish G. Joshi +5
Electronic structure near Fermi level of Pr2CoFeO6 (at 300 K) was investigated by X-ray photoemission spectroscopy (XPS) technique. All three cations, i.e., Pr, Co and Fe were foun…
Electrical, Thermal and Spectroscopic Characterization of Bulk Bi2Se3 Topological Insulator
Rabia Sultana, Geet Awana, Banabir Pal +6
We report electrical (angular magneto-resistance, and Hall), thermal (heat capacity) and spectroscopic (Raman, x-ray photo electron, angle resolved photo electron) characterization…
Tuning the magnetocrystalline anisotropy in CoPO by means of substitution: a ferromagnetic resonance study
G. Prando, A. Alfonsov, A. Pal +3
We report on broad-band electron spin resonance measurements performed within the itinerant ferromagnetic phase of CoPO ( = La, Pr, Nd and Sm). We reveal that the substit…
High photon energy spectroscopy of NiO: experiment and theory
S. K. Panda, Banabir Pal, Suman Mandal +12
We have revisited the valence band electronic structure of NiO by means of hard x-ray photoemission spectroscopy (HAXPES) together with theoretical calculations using both the GW m…
Common effect of chemical and external pressures on the magnetic properties of CoPO ( = La, Pr, Nd, Sm). II
G. Prando, G. Profeta, A. Continenza +5
The direct correspondence between Co band ferromagnetism and structural parameters is investigated in the pnictide oxides CoPO for different rare-earth ions ( = La, Pr, Nd, S…
Enhanced spin-orbit coupling and charge carrier density suppression in LaAl1-xCrxO3/SrTiO3 heterointerfaces
Pramod Kumar, Anjana Dogra, P. P. S. Bhadauria +3
We report a gradual suppression of the two-dimensional electron gas (2DEG) at the LaAlO3/SrTiO3 interface on substitution of chromium at the Al sites. The sheet carrier density at…
Magnetothermopower of -doped LaTiO/SrTiO interfaces in the Kondo regime
Shubhankar Das, P. C. Joshi, A. Rastogi +2
Measurements of magneto-thermopower (S(H, T)) of interfacial delta doped LaTiO/SrTiO (LTO/STO) heterostructure by an iso-structural antiferromagnetic perovskite LaCrO a…
Enhanced persistent photoconductivity in -doped LaAlO/SrTiO heterostructures
A. Rastogi, J. J. Pulikkotil, R. C. Budhani
We report the effect of -doping at LaAlO/SrTiO interface with LaMnO monolayers on the photoconducting (PC) state. The PC is realized by exposing the samples to…
Enhanced spin-orbit interaction and Kondo scattering in -doped LaTiO/SrTiO interfaces
Shubhankar Das, A. Rastogi, Lijun Wu +4
We present a study of delta () doping at LaTiO/SrTiO (LTO/STO) interface with iso-structural antiferromagnetic perovskite LaCrO (LCO) that dramatically alters the pr…
NiS - An unusual self-doped, nearly compensated antiferromagnetic metal
S. K. Panda, I. Dasgupta, E. Sasioglu +2
NiS, exhibiting a text-book example of a first-order transition with many unusual properties at low temperatures, has been variously described in terms of conflicting descriptions…
Large magnetocapacitance in electronic ferroelectric manganite systems
Ujjal Chowdhury, Sudipta Goswami, Dipten Bhattacharya +4
We have observed a sizable positive magnetocapacitance () in perovskite PrCaMnO and bilayer Pr(SrCa)MnO system under…
Appreciable magnetic moment and energy density in single step normal route synthesized MnBi
Nithya R. Christopher, Nidhi Singh, Shiva Kumar Singh +4
We study the structural and magnetic properties of the MnBi inter-metallic compound. The LTP (Low Temperature Phase) MnBi compound is successfully synthesized in single step by vac…
Comparative study of magnetic and magnetotransport properties of Sm0.55Sr0.45MnO3 thin films grown on different substrates
Manoj K. Srivastava, Sandeep Singh, P. K. Siwach +4
Highly oriented polycrystalline SSMO thin films deposited on single crystal substrates by ultrasonic nebulized spray pyrolysis have been studied. The film on LAO is under compressi…
Local electromagnetic properties of magnetic pnictides: A comparative study probed by NMR measurement
M. Majumder, K. Ghoshray, A. Ghoshray +2
75As and 31P NMR studies are performed in PrCoAsO and NdCoPO respectively. The Knight shift data in PrCoAsO indicate the presence of an antiferromagnetic interaction between the 4f…
Novel photo-conducting state and its perturbation by electrostatic fields in oxide-based two-dimensional electron gas
A. Rastogi, J. J. Pulikkotil, S. Auluck +2
The two-carrier transport model as proposed for the two-dimensional electron gas formed at the interfaces of oxide heterostructures is investigated by means of a combined perturbat…
Room temperature magnetic entropy change and magnetoresistance in La_{0.70}(Ca_{0.30-x}Sr_x)MnO_3:Ag 10% (x = 0.0-0.10)
R. Jha, Shiva Kumar Singh, Anuj Kumar +1
The magnetic and magnetocaloric properties of polycrystalline La0.70(Ca0.30-xSrx)MnO3:Ag 10% manganite have been investigated. All the compositions are crystallized in single phase…
Anisotropic spin-fluctuations in SmCoPO revealed by 31^P NMR measurement
Mayukh Majumder, K. Ghoshray, A. Ghoshray +2
31^P NMR spectral features in polycrystalline SmCoPO reveal an axially symmetric local magnetic field. At low temperature, the anisotropy of the internal magnetic field increases r…
Current-driven orbital order-disorder transition in LaMnO3
Parthasarathi Mondal, Dipten Bhattacharya, P. Mandal
We report significant influence of electric current on the orbital order-disorder transition in LaMnO3. The transition temperature T_OO, thermal hysteresis in the resistivity (rho)…
Structural, electrical, magnetic and thermal studies of Cr-doped La0.7Ca0.3Mn1-xCrxO3 for x = 0.0 to 1.0 manganites
Neeraj Kumar, H. Kishan, V. P. S. Awana
We report detailed structural, electrical, magnetic and specific heat studies on La0.7Ca0.3Mn1-xCrxO3 manganites. Rietveld analysis of fitted and observed XRD patterns exhibited th…
Evolution of orbital phases with particle size in nanoscale stoichiometric LaMnO3
Parthasarathi Mondal, Dipten Bhattacharya, Anwesha Maity +3
The thermodynamically stable long-range orbital order in bulk LaMnO3 becomes metastable at nanoscale around a critical particle size d_C~20 nm. The orbital order-disorder transitio…