Publications de Ali Gilani | EPFL Graph Search

Graphene-enhanced ferroelectric domain wall high-output memristor

Igor Stolichnov, Mihai Adrian Ionescu, Sadegh Kamaei Bahmaei, Ali Gilani, Felix Risch

Recent studies on memristive materials and technologies have expanded beyond conventional memory elements, driven by their potential application in novel information processing concepts. Among these materials, conductive domain walls in ferroics are especi ...

AIP American Institute of Physics2024

AC-Driven Aptamer-Decorated Graphene FET for Cortisol Detection

Mihai Adrian Ionescu, Yann Christophe Sprunger, Sadegh Kamaei Bahmaei, Ali Gilani

Accurately measuring cortisol levels is crucial for diagnosing and managing stress-related conditions. Among all biofluids containing cortisol, Interstitial fluid (ISF) offers distinct advantages such as stable pH, continuous extraction, and minimal contam ...

Institute of Electrical and Electronics Engineers Inc.2024

Aptamer-Decorated Graphene Channel Array with Liquid-Gating for Sensing Cortisol Stress Hormone

Mihai Adrian Ionescu, Sadegh Kamaei Bahmaei, Shokoofeh Sheibani, Ali Gilani

Accurate detection of cortisol hormone is essential for diagnosing and managing stress-related disorders. Found in various bodily fluids like tears, blood, sweat, and interstitial fluid (ISF), ISF stands out for its stable pH, continuous extraction, and re ...

Institute of Electrical and Electronics Engineers Inc.2024

Ferroelectric Supercapacitors by Combining Polarization Switching and Negative Capacitance Effects for On-Chip Energy Storage

Mihai Adrian Ionescu, Carlotta Gastaldi, Sadegh Kamaei Bahmaei, Ali Gilani, Michele Ghini

In this work, we investigate the fundamental effects contributing to energy storage enhancement in on-chip ferroelectric electrostatic supercapacitors with doped high-k dielectrics. By optimizing energy storage density and efficiency in nanometer-thin stac ...

Institute of Electrical and Electronics Engineers2023

Subthreshold VO2 vertical switches for large-bandwidth millimeter-wave and sub-terahertz detection

Mihai Adrian Ionescu, Fatemeh Qaderi Rahaqi, Daesung Park, Ali Gilani

n-linear impedance characteristics of VO2 offer solutions to highly sensitive radio-frequency (RF), millimeterwave (mm-wave), and terahertz (THz) detectors. We demonstrate high-speed broadband sensibility of miniaturized VO2 switches by utilizing the nonli ...

IEEE2022