252 citations · 2.6k across the 79 of their papers we have counts for
81 papers
Interfacial exchange and magnetostatic coupling in a CoFeB/Thulium Iron Garnet heterostructure
Walid Al Misba, Jenae E. Shoup, Miela J. Gross +5
We investigate the exchange coupling between a ferrimagnetic insulator (FI) thulium iron garnet (TmIG) deposited on a gadolinium gallium garnet (GGG) substrate, which shows perpend…
Exploring the Role of Interfacial Dzyaloshinskii-Moriya Interaction in Write Error Rate Anomalies of Spin-Transfer Torque Magnetic Tunnel Junctions
Prosenjit Das, Md Mahadi Rajib, Jayasimha Atulasimha
The performance and reliability of spin-transfer torque magnetic random-access memory (STT-MRAM) can be compromised by anomalous switching behavior, especially during high-speed op…
Quantized Artificial Neural Networks Implemented with Spintronic Stochastic Computing
Saadi Sabyasachi, Walid Al Misba, Yixin Shao +2
An Artificial Neural Network (ANN) inference involves matrix vector multiplications that require a very large number of multiply and accumulate operations, resulting in high energy…
Exchange-Coupled Spins for Robust High-Temperature Qubits
Aniruddha Chakraborty, Md. Fahim F. Chowdhury, Mohamad Niknam +2
We show that Heisenberg exchange interactions between the neighboring spins comprising an ensemble spin qubit (E-qubit) can act as an intrinsic error mitigator, increasing gate fid…
Strain Mediated Voltage Control of Magnetic Anisotropy and Magnetization Reversal in Bismuth Substituted Yttrium Iron Garnet Films and Meso-structures
Walid Al Misba, Miela Josephine Gross, Kensuke Hayashi +3
We report on magnetic anisotropy modulation in Bismuth substituted Yttrium Iron Garnet (Bi-YIG) thin films and mesoscale patterned structures deposited on a PMN-PT substrate with t…
Magneto-Ionic Physical Reservoir Computing
Md Mahadi Rajib, Dhritiman Bhattacharya, Christopher J. Jensen +5
Recent progresses in magnetoionics offer exciting potentials to leverage its non-linearity, short-term memory, and energy-efficiency to uniquely advance the field of physical reser…
Interplay between Exchange Interaction and Magnetic Shape Anisotropy of ferromagnetic nanoparticles in a non-magnetic matrix for rare-earth-free permanent magnets
Shouvik Sarker, Md Mahadi Rajib, Radhika Barua +1
Developing permanent magnets with fewer critical elements requires understanding hysteresis effects and coercivity through visualizing magnetization reversal. Here, we numerically…
Energy efficient coherent quantum control of nitrogen vacancy (NV) spin with nanoscale magnets
Md Fahim F Chowdhury, Adi Jung, Lea La Spina +3
We investigate coherent quantum control of a nitrogen vacancy (NV) center in diamond with microwave fields generated from a nanoscale magnet that is proximal to the NV center. Our…
Proximal quantum control of spin and spin ensemble with highly localized control field from skyrmions
Md Fahim F Chowdhury, Mohamad Niknam, Md Mahadi Rajib +2
Selective control of individual spin qubits is needed for scalable quantum computing based on spin states. Achieving high-fidelity in both single and two-qubit gates, essential com…
Quantized Non-Volatile Nanomagnetic Synapse based Autoencoder for Efficient Unsupervised Network Anomaly Detection
Muhammad Sabbir Alam, Walid Al Misba, Jayasimha Atulasimha
In the autoencoder based anomaly detection paradigm, implementing the autoencoder in edge devices capable of learning in real-time is exceedingly challenging due to limited hardwar…
Skyrmion-mediated Nonvolatile Ternary Memory
Md Mahadi Rajib, Namita Bindal, Ravish Kumar Raj +2
Multistate memory systems have the ability to store and process more data in the same physical space as binary memory systems, making them a potential alternative to existing binar…
Spintronic Physical Reservoir for Autonomous Prediction and Long-Term Household Energy Load Forecasting
Walid Al Misba, Harindra S. Mavikumbure, Md Mahadi Rajib +4
In this study, we have shown autonomous long-term prediction with a spintronic physical reservoir. Due to the short-term memory property of the magnetization dynamics, non-linearit…
Antiferromagnetic Skyrmion based Energy-Efficient Leaky Integrate and Fire Neuron Device
Namita Bindal, Ravish Kumar Raj, Md Mahadi Rajib +2
The development of energy-efficient neuromorphic hardware using spintronic devices based on antiferromagnetic (AFM) skyrmion motion on nanotracks has gained considerable interest.…
Quantum Control of Spin Qubits Using Nanomagnets
Mohamad Niknam, Md Fahim F. Chowdhury, Md Mahadi Rajib +5
Single-qubit gates are essential components of a universal quantum computer. Without selective addressing of individual qubits, scalable implementation of quantum algorithms is not…
Skyrmion based energy efficient straintronic physical reservoir computing
Md Mahadi Rajib, Walid Al Misba, Md. Fahim F. Chowdhury +2
Physical Reservoir Computing (PRC) is an unconventional computing paradigm, which exploits nonlinear dynamics of reservoir blocks to perform recognition and classification tasks. H…
Focused Surface Acoustic Wave induced nano-oscillator based reservoir computing
Md. Fahim F. Chowdhury, Walid Al Misba, Md Mahadi Rajib +4
We demonstrate using micromagnetic simulations that a nanomagnet array excited by Surface Acoustic Waves (SAWs) can work as a reservoir that can classify sine and square waves with…
Energy Efficient Learning with Low Resolution Stochastic Domain Wall Synapse Based Deep Neural Networks
Walid A. Misba, Mark Lozano, Damien Querlioz +1
We demonstrate that extremely low resolution quantized (nominally 5-state) synapses with large stochastic variations in Domain Wall (DW) position can be both energy efficient and a…
Straintronics: Manipulating the Magnetization of Magnetostrictive Nanomagnets with Strain for Energy-Efficient Applications
Supriyo Bandyopadhyay, Jayasimha Atulasimha, Anjan Barman
The desire to perform information processing, computation, communication, signal generation and related tasks, while dissipating as little energy as possible, has inspired many ide…
Surface Acoustic Wave induced modulation of tunneling magnetoresistance in magnetic tunnel junctions
Dhritiman Bhattacharya, Peng Sheng, Md Ahsanul Abeed +6
We show that a surface acoustic wave (SAW) applied across the terminals of a magnetic tunnel junction (MTJ) decreases both the (time-averaged) parallel and antiparallel resistances…
Passive frustrated nanomagnet reservoir computing
Alexander J. Edwards, Dhritiman Bhattacharya, Peng Zhou +10
Reservoir computing (RC) has received recent interest because reservoir weights do not need to be trained, enabling extremely low-resource consumption implementations, which could…
Robust skyrmion mediated reversal of ferromagnetic nanodots of 20 nm lateral dimension with high Ms and moderate DMI
Md Mahadi Rajib, Walid Al Misba, Dhritiman Bhattacharya +1
Implementation of skyrmion based energy efficient and high-density data storage devices requires aggressive scaling of skyrmion size. Ferrimagnetic materials are considered to be a…
Modeling of Thermal Magnetic Fluctuations in Nanoparticle Enhanced Magnetic Resonance Detection
Tahmid Kaisar, Md Mahadi Rajib, Hatem ElBidweihy +2
We present a systematic numerical modeling investigation of magnetization dynamics and thermal magnetic moment fluctuations of single magnetic domain nanoparticles in a configurati…
Computing and Memory Technologies based on Magnetic Skyrmions
Hamed Vakili, Wei Zhou, Chung T Ma +13
Solitonic magnetic excitations such as domain walls and, specifically, skyrmionics enable the possibility of compact, high density, ultrafast,all-electronic, low-energy devices, wh…
Voltage Controlled Energy Efficient Domain Wall Synapses with Stochastic Distribution of Quantized Weights in the Presence of Thermal Noise and Edge Roughness
Walid Al Misba, Tahmid Kaisar, Dhritiman Bhattacharya +1
We propose energy efficient strain control of domain wall (DW) in a perpendicularly magnetized nanoscale racetrack on a piezoelectric substrate that can implement multi state synap…