Nanoelectronics Lab

Location: Room No: 335, 3rd Floor, Academic Building-1.

About the Lab:
The Nano Electronics Lab was established in the year of 2023. The lab primarily caters to the needs of undergraduate, master and doctoral students in the broad area of Nanoelectronics and Semiconductor Devices.

Key Research Areas:
>Modeling and Simulation of nanoscale devices, their fabrication and characterization
>Spin torque oscillators
>Injection locking and synchronization
>Spin mechanics
>Spin caloritronics


Equipment(s):
The key equipment and Software tools in this lab are:
>Dark Room
>Thin Film Deposition
>Lithography System
>Wetbench
>Spincoater
>DI Water Unit
>Magnetic Probe Station
>Nanovoltmeter
> ◘ Synopsys QuantumATK - Materials and Device Simulation (with NEGF) -
◘ Standard Academic Bundle
◘ 5 Licenses of QuantumATK (DFT/Semi-emperical) + NEGF
◘ 5 Licenses of ATK Master Forcefield (Classical)
◘ 2 Licenses of VNL (GUI)
◘ 2 Licenses of VNL Links (VASP Interface)
◘ 256 MPICH Slaves for faster simulation
◘ Floating License, All licenses on single cluster
> AsiaPac Advanced TCAD University Bundle 3 Years TSL Network
◘ Floating License Number of Licenses : 5 (FIVE)

Publication(s):
> M. Sravani and S. Bhuktare, “Chaotic dynamics in spin torque nano-oscillator driven by voltage feedback,” Journal of Superconductivity and Novel Magnetism, May 2025.
> P. K. Mishra and S. Bhuktare, “Strain and exchange bias–enabled field-free voltage-controlled magnetic anisotropy switching,” Journal of Superconductivity and Novel Magnetism, Feb. 2025.
> M. Sravani and S. Bhuktare, “Leaky-integrate-fire and reconfigurable neuron spiking in a field-free spin Hall nano-oscillator with a conically magnetized free layer,” Journal of Applied Physics, Jan. 2025.
> M. Sravani and S. Bhuktare, “Field-free mutual synchronization of parallel coupled spin torque nano oscillators using a free layer with first and second-order uniaxial anisotropy,” IEEE Transactions on Magnetics, 2024.
> P. K. Mishra, M. Sravani, A. Bose, and S. Bhuktare, “Voltage-controlled magnetic anisotropy-based spintronic devices for magnetic memory applications: Challenges and perspectives,” Journal of Applied Physics, 153, 2024.
> P. K. Mishra and S. Bhuktare, “Stability analysis of field-free spin-orbit torque switching in conically magnetized free layer nanomagnet,” Applied Physics Letters, 124, 2024.
> M. Sravani, P. K. Mishra, and S. Bhuktare, “Field-free spin Hall nano oscillator using the exchange bias in ferro/anti-ferromagnetic structures,” IEEE Transactions on Magnetics, 2024.
> P. K. Mishra, N. Harisankar, and S. Bhuktare, “Strain-mediated voltage controlled magnetic anisotropy based switching for magnetic memory applications,” Journal of Applied Physics, 134, 2023.
> P. K. Mishra, M. Sravani, M. S. Narayana, and S. Bhuktare, “Acoustically assisted energy efficient field free spin orbit torque switching of out of plane nanomagnet,” Journal of Applied Physics, 133, 2023.
> M. Sravani, P. K. Mishra, and S. Bhuktare, “Injection locking of spin torque nano oscillators using surface acoustic waves,” Journal of Magnetism and Magnetic Materials, 564, 2022.
> S. Hing, S. Bhuktare, A. Bose, A. Fukushina, Y. Kashiyuki, and S. V. Sassaa, “Mutual synchronization of spin-torque nano-oscillators via Oersted magnetic fields created by waveguides,” Physical Review Applied, 15, 2019.
> A. Bhuktare, A. S. Latush, H. Singh, A. Bose, and A. A. Tulapurkar, “Direct observation of reciprocity between spin current and phonon interconversion,” Journal of Applied Physics, 126, 2019.
> A. Bose, A. Shukla, S. Dutta, S. Bhuktare, and A. A. Tulapurkar, “Control of magnetization dynamics by spin-Nernst torque,” Journal of Physics D: Applied Physics, 52, 2018.
> S. Hing, P. K. Misra, M. S. Narayana, and S. Bhuktare, “Self-injection locking of a spin torque nano-oscillator to magnetic field feedback,” IEEE Transactions on Magnetics, 54, 2018.
> M. Sravani, S. Hing, S. Bhuktare, and A. A. Tulapurkar, “Self-injection locking of a spin torque nano-oscillator to spin Hall feedback,” AIP Advances, 8, 2018.
> A. Bose, S. Bhuktare, H. Singh, S. Dutta, and V. Achanta, “Direct detection of spin Nernst effect in platinum,” Applied Physics Letters, 112, 2018.
> A. Bose, R. Shankar, S. Bhuktare, and A. A. Tulapurkar, “Sign reversal of fieldlike spin-orbit torque in an ultrathin Cr/Ni bilayer,” Applied Physics Letters, 112, 2018.
> S. Singh, N. Kothari, S. Bhuktare, S. Shukla, A. Bose, A. Fukushina, and A. A. Tulapurkar, “Integer, fractional, and sideband injection locking of a spintronic feedback nano-oscillator to a microwave signal,” Physical Review Applied, 8, 2017.
> A. Bose, S. Bhuktare, H. Singh, and A. A. Tulapurkar, “Experimental investigation of spin-orbit torque driven ferromagnetic resonance detected by planar Hall geometry,” Journal of Applied Physics, 121, 2017.
> A. Bose, S. Bhuktare, H. Singh, and A. A. Tulapurkar, “Observation of spin Nernst effect in platinum,” arXiv:1704.06785, 2017.
> A. Bose, S. Bhuktare, H. Singh, and A. A. Tulapurkar, “Gyrator based on magneto-elastic coupling at a ferromagnetic/piezoelectric interface,” Scientific Reports, 7, 2017.
> S. Bhuktare, A. Bose, and A. A. Tulapurkar, “Spin-current feedback driven spintronic oscillator,” research article (Master’s/PhD work), 2016.
> A. Bose, S. Bhuktare, H. Singh, A. Bose, and A. A. Tulapurkar, “Observation of thermally driven field-like spin torque in magnetic tunnel junctions,” Applied Physics Letters, 109, 2016.
> S. Bhuktare, B. Bhushan, and B. Bihoni, “Modeling degradation in an organic solar cell,” International Journal of Nanotechnology and Nanoscience, 2014.
> S. Bhuktare et al., “Current–voltage characteristics modeling of polycrystalline CdTe–CdS solar cells for different grain-sizes of CdTe,” Journal of Crystal Growth, 2014.
> P. K. Mishra, M. Sravani, M. S. Narayana, and S. Bhuktare, “Acoustically assisted field free spin orbit torque magnetization switching of out of plane nano magnet,” Journal of Applied Physics, 2014.