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Sub-100 nm Spintronics Logic Device Development
This research project focuses on fabricating and evaluating sub-100 nm spintronics logic devices. All devices are manufactured to be CMOS-compatible. The fundamental operating principle of these logic devices is the SOT-induced (Spin-Orbit Torque-induced) nucleation and motion of magnetic domain walls (DWs).
The logic devices consist of two types:
Spin Torque Majority Gate (STMG): This device operates based on the majority rule, allowing a single device to execute both AND gate and OR gate operations.
Domain Wall (DW) Inverter: This device can be connected with the STMG to implement NAND gate or NOR gate functionalities.
Ultrafast TMR Sensor based on the modified MRAM architecture
This research aims to demonstrate an ultrafast and ultra-low-power TMR (Tunnel Magnetoresistance) sensor using a modified MRAM architecture.
The most critical feature of this structure is that the storage layer (SL) is coupled to the 2nd fixed layer via RKKY interaction. This enables the structure to sense magnetic field changes and automatically revert to its initial state for continuous sensor functionality.
The sensor can be connected in series with a conventional MRAM architecture (which is capable of information storage) to be utilized as an in-sensor computing architecture.
Strong Magnetic Field
Weak Magnetic Field
Development of Ultrathin Ferromagnetic Film-based System for Cancer Diagnosis and Drug Delivery
This research focuses on developing a nanoscale ultrathin ferromagnetic film structure for advanced cancer diagnosis and targeted drug delivery. This work is being conducted in collaboration with Harvard Medical School.
Innovation and Technology
We are pioneering the use of an RKKY interaction-based nanoscale ultrathin film structure to achieve superior magnetic and physical properties.
Miniaturization: We utilize photolithography processes to realize sub-micron-scale fabrication of the structure.
System Fabrication: The introduction of this system involves a novel method for separating ferromagnetic nanoparticles from the ultrathin film structure.
International Collaboration with Harvard Medical School
At Harvard Medical School:
Surface Functionalization: Conducting experiments on Aptamer Conjugations on Metallic Surfaces and PEG Encapsulation with Targeted Drugs on Metallic Surfaces.
In Vivo Assessment: Evaluating the anti-cancer efficacy and drug delivery capability of the system in an in vivo environment.
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