Sadegh Kamaei Bahmaei

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The digital revolution has significantly transformed our world over the past decades, driven by the scaling of transistor dimensions and the exponential increase in computation power. However, as the CMOS scaling era approaches its end, the semiconductor i ...

HfO2-based ferroelectrics are considered a promising class of materials for logic and memory applications due to their CMOS compatibility and ferroelectric figures of merit. A steep-slope field-effect-transistor (FET) switch is a device for logic applicati ...

We report the fabrication process and performance characterization of a fully integrated ferroelectric gate stack in a WSe2/SnSe2 Tunnel FETs (TFETs). The energy behavior of the gate stack during charging and discharging, together with the energy loss of a ...

We report the first experimental demonstration and performance characterization of a fully integrated negative capacitance (NC) WSe2/SnSe2 p-type Tunnel FETs (TFETs), validating the use of NC as a technology booster to achieve a significantly improved sub- ...

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 ...

The co-integration of logic switches and neuromorphic functions could be used to create new computing architectures with low power consumption and novel functionalities. Two-dimensional (2D) semiconductors and ferroelectric materials could be potentially u ...

Cortisol is a hormone released in response to stress and is a major glucocorticoid produced by adrenal glands. Here, we report a wearable sensory electronic chip using label-free detection, based on a platinum/graphene aptamer extended gate field effect tr ...

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 ...

This experimental study investigates a novel multi-functional one dimensional-two dimensional (1D-2D) heterojunction made of two different band-gap semiconductors, i.e. single-walled carbon nanotube (SWCNT) and tungsten di-selenide (WSe2). The proposed ult ...

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 ...

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 ...

Sadegh Kamaei Bahmaei

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Energy-Efficient Electronic Functions Based on the Co-integration of 2D and Ferroelectric Materials

Intrinsic switching in Si-doped HfO2: A study of Curie-Weiss law and its implications for negative capacitance field-effect transistor

Gate energy efficiency and negative capacitance in ferroelectric 2D/2D TFET from cryogenic to high temperatures

Fully integrated Si:HfO2 Negative Capacitance 2D-2D WSe2/SnSe2 Subthermionic Tunnel FETs

AC-Driven Aptamer-Decorated Graphene FET for Cortisol Detection

Ferroelectric gating of two-dimensional semiconductors for the integration of steep-slope logic and neuromorphic devices

Extended gate field-effect-transistor for sensing cortisol stress hormone

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

An Experimental Study on Mixed-Dimensional 1D-2D van der Waals Single-Walled Carbon Nanotube-WSe2 Hetero-Junction

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

Graphene-enhanced ferroelectric domain wall high-output memristor