62 citations · 130 across the 10 of their papers we have counts for
10 papers
Tunable Strong Magnon-Magnon Coupling in Two-Dimensional Array of Diamond Shaped Ferromagnetic Nanodots
Sudip Majumder1, Samiran Choudhury1, Saswati Barman2 +3
Hybrid magnonics involving coupling between magnons and different quantum particles have been extensively studied during past few years for varied interests including quantum elect…
Comparison of Spin-Wave Modes in Connected and Disconnected Artificial Spin Ice Nanostructures Using Brillouin Light Scattering Spectroscopy
Avinash Kumar Chaurasiya, Amrit Kumar Mondal, Jack C. Gartside +5
Artificial spin ice systems have seen burgeoning interest due to their intriguing physics and potential applications in reprogrammable memory, logic and magnonics. Integration of a…
Nanochannels for Spin-Wave Manipulation in Ni80Fe20 Nanodot Arrays
Sourav Sahoo, Surya Narayan Panda, Saswati Barman +2
Patterned magnetic nanostructures are potential candidates for future energy efficient, on-chip communication devices. Here, we have experimentally and numerically studied the role…
Tunability of domain structure and magnonic spectra in antidot arrays of Heusler alloy
Sougata Mallick, Sucheta Mondal, Takeshi Seki +8
Materials suitable for magnonic crystals demand low magnetic damping and long spin wave (SW) propagation distance. In this context Co based Heusler compounds are ideal candidates f…
Tri-state Buffer: Magnetic Vortex Transistor Based Logic Devices
Sucheta Mondal, Saswati Barman, Anjan Barman
Magnetic analogue of electronic gates are advantageous in many ways. There is no electron leakage, higher switching speed and more energy saving in a magnetic logic device compared…
Active Control of Mode Crossover and Mode Hopping of Spin Waves in a Ferromagnetic Antidot Lattice
Samiran Choudhury, Sudip Majumder, Saswati Barman +2
Active control of spin-wave dynamics is demonstrated using broadband ferromagnetic resonance in two-dimensional Ni80Fe20 antidot lattices arranged in hexagonal lattice with fixed l…
Tunable Angle Dependent Magnetization Dynamics in Ni80Fe20 Nano-cross Structures of Varying Size
Kartik Adhikari, Saswati Barman, Ruma Mandal +2
We demonstrate a large angular dependence of magnetization dynamics in Ni80Fe20 nano-cross arrays of varying sizes. By subtle variation of the azimuthal angle of an in-plane bias m…
Asymmetric Energy Transfer Between Coupled Magnetic Vortices by Asymmetric Gyration Amplification
Dheeraj Kumar, Saswati Barman, Anjan Barman
We present a numerical exploration of the possibility of sustained amplification of magnetic vortex gyration by controlling the relative polarities of a coupled vortices in short v…
Detection of picosecond magnetization dynamics of 50 nm magnetic dots down to the single dot regime
Bivas Rana, Dheeraj Kumar, Saswati Barman +4
We report an all-optical time-domain detection of picosecond magnetization dynamics of arrays of 50 nm Ni80Fe20 (permalloy) dots down to the single nanodot regime. In the single na…
All-Optical Excitation and Detection of Picosecond Dynamics of Ordered Arrays of Nanomagnets with Varying Areal Density
Bivas Rana, Semanti Pal, Saswati Barman +3
We have demonstrated optical excitation and detection of collective precessional dynamics in arrays of coupled Ni80Fe20 (permalloy) nanoelements with systematically varying areal d…