413 citations · 1.7k across the 23 of their papers we have counts for
26 papers
Solid-state transcapacitor, a new gain element for logic, memory and interconnects
Amrita Mathuriya, Roza Kotlyar, Neal Reynolds +9
Today's transistors dictate the voltage and charge scales for both logic and memory. While AI systems are recognized to be limited by memory energy, the dominant share of the energ…
A Magnon-Based Electric Field Controlled Magnetoelectric Device for Energy-Efficient Logic-in-Memory
Rongqing Cong, Sajid Husain, Yumin Su +6
We demonstrate a non-volatile magnetoelectric magnonic memory (MEMM) that enables fully electrical write/read via direct magnon-driven sensing in an insulating antiferromagnet. A f…
Spin-orbit magnetic state readout in scaled ferromagnetic/heavy metal nanostructures
Van Tuong Pham, Inge Groen, Sasikanth Manipatruni +9
Efficient detection of the magnetic state at nanoscale dimensions is an important step to utilize spin logic devices for computing. Magnetoresistance effects have been hitherto use…
Design of optical neural networks with component imprecisions
Michael Y. -S. Fang, Sasikanth Manipatruni, Casimir Wierzynski +2
For the benefit of designing scalable, fault resistant optical neural networks (ONNs), we investigate the effects architectural designs have on the ONNs' robustness to imprecise co…
Simulation of the Magnetization Dynamics of a Single Domain BiFeO Thin Film
Yu-Ching Liao, Dmitri E. Nikonov, Sourav Dutta +4
The switching dynamics of a single-domain BiFeO thin films is investigated through combining the dynamics of polarization and Neel vector. The evolution of the ferroelectric po…
Hybrid Piezoelectric-Magnetic Neurons: A Proposal for Energy-Efficient Machine Learning
William Scott, Jonathan Jeffrey, Blake Heard +5
This paper proposes a spintronic neuron structure composed of a heterostructure of magnets and a piezoelectric with a magnetic tunnel junction (MTJ). The operation of the device is…
Skyrmion nucleation via localized spin current injection in confined nanowire geometry in low chirality magnetic materials
Sourav Dutta, Dmitri E. Nikonov, George Bourianoff +3
Magnetic skyrmions have been the focus of intense research with promising applications in memory, logic and interconnect technology. Several schemes have been recently proposed and…
Voltage Control of Uni-directional Anisotropy in Ferromagnet-Multiferroic System
Sasikanth Manipatruni, Dmitri E. Nikonov, Chia-Ching Lin +6
Demonstration of ultra-low energy switching mechanisms is an imperative for continued improvements in computing devices. Ferroelectric (FE) and multiferroic (MF) orders and their m…
Clocked Magnetostriction-Assisted Spintronic Device Design and Simulation
Rouhollah Mousavi Iraei, Nickvash Kani, Sourav Dutta +5
We propose a heterostructure device comprised of magnets and piezoelectrics that significantly improves the delay and the energy dissipation of an all-spin logic (ASL) device. This…
Patterns and Thresholds of Magnetoelectric Switching in Spin Logic Devices
Dmitri E. Nikonov, Sasikanth Manipatruni, Ian A. Young
In the quest to develop spintronic logic, it was discovered that magnetoelectric switching results in lower energy and shorter switching time than other mechanisms. Magnetoelectric…
Physical Origin of Transient Negative Capacitance in a Ferroelectric Capacitor
Sou-Chi Chang, Uygar E. Avci, Dmitri E. Nikonov +2
Transient negative differential capacitance (NC), the dynamic reversal of transient capacitance in an electrical circuit is of highly technological and scientific interest since it…
Overcoming thermal noise in non-volatile spin wave logic
Sourav Dutta, Dmitri E. Nikonov, Sasikanth Manipatruni +2
Spin waves are propagating disturbances in magnetically ordered materials, analogous to lattice waves in solid systems and are often described from a quasiparticle point of view as…
Response to Comment on 'Spin-Orbit Logic with Magnetoelectric Nodes: A Scalable Charge Mediated Nonvolatile Spintronic Logic' (arXiv:1607.06690)
Sasikanth Manipatruni, Dmitri E. Nikonov, Huichu Liu +1
In this technical note, we address the comments on the energy estimates for Magnetoelectric Spin-orbit (MESO) Logic, a new logic device proposed by the authors. We provide an analy…
Shannon-inspired Statistical Computing to Enable Spintronics
Ameya D. Patil, Sasikanth Manipatruni, Dmitri Nikonov +2
Modern computing systems based on the von Neumann architecture are built from silicon complementary metal oxide semiconductor (CMOS) transistors that need to operate under practica…
Low-power Spin Valve Logic using Spin-transfer Torque with Automotion of Domain Walls
Sou-Chi Chang, Sasikanth Manipatruni, Dmitri E. Nikonov +2
A novel scheme for non-volatile digital computation is proposed using spin-transfer torque (STT) and automotion of magnetic domain walls (DWs). The basic computing element is compo…
Spin-Orbit Logic with Magnetoelectric Nodes: A Scalable Charge Mediated Nonvolatile Spintronic Logic
Sasikanth Manipatruni, Dmitri E. Nikonov, Ramamoorthy Ramesh +2
As nanoelectronics approaches the nanometer scale, a massive effort is underway to identify the next scalable logic technology beyond Complementary Metal Oxide Semiconductor (CMOS)…
Experimental Demonstration of Efficient Spin-Orbit Torque Switching of an MTJ with sub-100 ns Pulses
Tanay A. Gosavi, Sasikanth Manipatruni, Sriharsha V. Aradhya +4
Efficient generation of spin currents from charge currents is of high importance for memory and logic applications of spintronics. In particular, generation of spin currents from c…
Experimental Demonstration of the Co-existence of the Spin Hall and Rashba Effects in beta-Tantalum/Ferromagnet Bilayers
Gary Allen, Sasikanth Manipatruni, Dmitri E. Nikonov +2
We have measured the spin torques of beta-Tantalum / Co20Fe60B20 bilayers versus Ta thickness at room temperature using an FMR technique. The spin Hall coefficient was calculated b…
Automotion of Domain Walls for Spintronic Interconnects
Dmitri E. Nikonov, Sasikanth Manipatruni, Ian A. Young
We simulate automotion, the spontaneous transport of a magnetic domain wall under the influence of demagnetization and magnetic anisotropy, in nanoscale spintronic interconnects. I…
On-Chip Optical Squeezing
Avik Dutt, Kevin Luke, Sasikanth Manipatruni +3
We present the first demonstration of all-optical squeezing in an on-chip monolithically integrated CMOS-compatible platform. Our device consists of a low loss silicon nitride micr…
Voltage and Energy-Delay Performance of Giant Spin Hall Effect Switching for Magnetic Memory and Logic
Sasikanth Manipatruni, Dmitri E. Nikonov, Ian A. Young
In this letter, we show that Giant Spin Hall Effect (GSHE) MRAM can enable better energy- delay and voltage performance than traditional MTJ based spin torque devices at scaled nan…
Material Targets for Scaling All Spin Logic
Sasikanth Manipatruni, Dmitri E. Nikonov, Ian A. Young
All-spin logic devices are promising candidates to augment and complement beyond-CMOS integrated circuit computing due to non-volatility, ultra-low operating voltages, higher logic…
All Spin Nano-magnetic State Elements
Sasikanth Manipatruni, Dmitri E. Nikonov, Ian A. Young
We propose an all spin state element to enable all spin state machines using spin currents and nanomagnets. We demonstrate via numerical simulations the operation of a state elemen…
Synchronization of Micromechanical Oscillators Using Light
Mian Zhang, Gustavo Wiederhecker, Sasikanth Manipatruni +3
Synchronization, the emergence of spontaneous order in coupled systems, is of fundamental importance in both physical and biological systems. We demonstrate the synchronization of…