Search Results - "Tulapurkar, Ashwin A."

Gyrator Based on Magneto-elastic Coupling at a Ferromagnetic/Piezoelectric Interface by Bhuktare, Swapnil, Bose, Arnab, Singh, Hanuman, Tulapurkar, Ashwin A.

“…A gyrator is a non-reciprocal two port device with 180° phase shift in the transmissions between two ports. Though electromagnetic realizations of gyrators…”
Get full text

Sensitive measurement of spin-orbit torque driven ferromagnetic resonance detected by planar Hall geometry by Bose, Arnab, Dutta, Sutapa, Bhuktare, Swapnil, Singh, Hanuman, Tulapurkar, Ashwin A.

“…The magnetization of a nano-magnet can be manipulated and even switched by spin-orbit torques. Hence, accurate characterization of these torques is essential…”
Get full text

Observation of thermally driven field-like spin torque in magnetic tunnel junctions by Bose, Arnab, Shukla, Amit Kumar, Konishi, Katsunori, Jain, Sourabh, Asam, Nagarjuna, Bhuktare, Swapnil, Singh, Hanuman, Lam, Duc Duong, Fujii, Yuya, Miwa, Shinji, Suzuki, Yoshishige, Tulapurkar, Ashwin A.

“…We report the thermally driven giant field-like spin-torque in magnetic tunnel junctions (MTJ) on application of heat current from top to bottom. The…”
Get full text

Recent advances in the spin Nernst effect by Bose, Arnab, Tulapurkar, Ashwin A.

“…•The magnetization dynamics of a nano-magnet can be controlled by spin-current.•A nonmagnet can convert heat current into spin current via spin-Nernst…”
Get full text

Band-pass Fabry-Pèrot magnetic tunnel junctions by Sharma, Abhishek, Tulapurkar, Ashwin. A., Muralidharan, Bhaskaran

“…We propose a high-performance magnetic tunnel junction by making electronic analogs of optical phenomena such as anti-reflections and Fabry-Pèrot resonances…”
Get full text

Generation of charge current from magnetization oscillation via the inverse of voltage-controlled magnetic anisotropy effect by Shukla, Ambika Shanker, Chouhan, Akanksha, Pandey, Rachit, Raghupathi, M., Yamamoto, Tatsuya, Kubota, Hitoshi, Fukushima, Akio, Yuasa, Shinji, Nozaki, Takayuki, Tulapurkar, Ashwin A.

“…We show that magnetic energy can be converted into electrical energy via inverse of voltage-controlled magnetic anisotropy effect. It is well known that…”
Get full text

Effect of Edge Roughness on resistance and switching voltage of Magnetic Tunnel Junctions by Pandey, Rachit R., Dutta, Sutapa, Mendonca, Heston A., Tulapurkar, Ashwin A.

“…We investigate the impact of edge roughness on the electrical transport properties of magnetic tunnel junctions using non-equilibrium Green's function…”
Get full text

Direct observation of the reciprocity between spin current and phonon interconversion by Bhuktare, Swapnil, Shukla, Ambika Shanker, Singh, Hanuman, Bose, Arnab, Tulapurkar, Ashwin A.

“…Spin current has emerged as a leading candidate for manipulation of spins in a nano-magnet. We here experimentally show another utility of spin current, viz.,…”
Get full text

Preparation of spin eigenstates including the Dicke states with generalized all-coupled interaction in a spintronic quantum computing architecture by Sharma, Amritesh, Tulapurkar, Ashwin A.

“…There has been an extensive development in the use of multi-partite entanglement as a resource for various quantum information processing tasks. In this paper,…”
Get full text

Enhancement of Spin-transfer torque switching via resonant tunneling by Chatterji, Niladri, Tulapurkar, Ashwin A., Muralidharan, Bhaskaran

“…We propose the use of resonant tunneling as a route to enhance the spin-transfer torque switching characteristics of magnetic tunnel junctions. The proposed…”
Get full text

Investigation of the phase separation property in La0.2Pr0.4Ca0.4MnO3 manganite by Kumar, Deepak, Tulapurkar, Ashwin A., Tomy, C.V.

“…•Ac susceptibility confirms absence of spin glass state.•Additional FM transition with magnetic field. We report a comprehensive investigation of…”
Get full text

Foreword Special Issue on Spintronics-Devices and Circuits by Kaushik, Brajesh Kumar, Aggarwal, Sanjeev, Bandyopadhyay, Supriyo, Bhowmik, Debanjan, De, Vivek, Dieny, Bernard, Kang, Wang, Piramanayagam, S. N., Roy, Kaushik, Tulapurkar, Ashwin A.

“…It is our great pleasure to introduce this Special Issue on Spintronics-Devices and Circuits to the IEEE Transactions on Electron Devices readership. This…”
Get full text

Role of phase breaking processes on resonant spin transfer torque nano-oscillators by Sharma, Abhishek, Tulapurkar, Ashwin A., Muralidharan, Bhaskaran

“…Spin transfer torque nano-oscillators (STNOs) based on magnetoresistance and spin transfer torque effects find potential applications in miniaturized wireless…”
Get full text

Peltier Effect in Sub-micron-Size Metallic Junctions by Fukushima, Akio, Yagami, Kojiro, Tulapurkar, Ashwin A., Suzuki, Yoshishige, Kubota, Hitoshi, Yamamoto, Atsushi, Yuasa, Shinji

“…Resistance ( R )–current ( I ) curves in trilayer CPP-GMR (current perpendicular to plane-giant magnetoresistance) elements show a parabolic baseline because…”
Get full text

Band-pass superlattice magnetic tunnel junctions by Sharma, Abhishek, Tulapurkar, Ashwin. A, Muralidharan, Bhaskaran

“…Significant scientific and technological progress in the field of spintronics is based on trilayer magnetic tunnel junction devices which principally rely on…”
Get full text

Inspection of intrinsic critical currents for spin-transfer magnetization switching by Yagami, K., Tulapurkar, A.A., Fukushima, A., Suzuki, Y.

“…We examined the relationships between critical current, I/sub c/, and switching time, /spl tau//sub p/, for spin-transfer switching in two regions: (region I)…”
Get full text

Investigation of the phase separation property in La 0.2 Pr 0.4 Ca 0.4 MnO 3 manganite by Kumar, Deepak, Tulapurkar, Ashwin A., Tomy, C.V.

Get full text

Thickness-dependent magnetic and transport properties of La0.7Sr0.3MnO3 thin films grown on Nd0.5Ca0.5MnO3/SrTiO3 epitaxial thin film by Kumar, Deepak, Tulapurkar, Ashwin A., Tomy, C.V.

“…We have investigated the proximity effect between the ferromagnetic and the charge-ordered antiferromagnetic bilayer thin film samples. The different…”
Get full text

Enhanced spin–orbit torques in strained NiFe/Pt bi-layers on flexible substrate by Chouhan, Akanksha, Mendonca, Heston A., Dutta, Sutapa, Shukla, Ambika Shanker, Pandey, Rachit R., Tulapurkar, Ashwin A.

“…Magnetization manipulation caused by spin–orbit torque is one of the central themes investigated in spintronics domain. The spin–orbit torque efficiencies can…”
Get full text

Controlling Bi/Fe ratio in bismuth iron garnet thin films deposited by confocal magnetron sputtering for enhanced Faraday rotation by Mulay, Gajendra L., Choudhary, Shraddha, Chalke, Bhagyashree A., Bapat, Rudheer D., Parmar, Jayesh B., Ghag, Manish B., Mhatre, Vilas J., Prabhu, S.S., Tulapurkar, Ashwin A., Achanta, Venu Gopal

“…We have successfully deposited high-quality bismuth-iron-garnet (BIG; Bi3Fe5O12) epitaxial thin films on single crystal gadolinium-gallium-garnet (GGG;…”
Get full text