Publications de Xia Liu | EPFL Graph Search

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The science and engineering of two-dimensional materials (2DMs), in particular, of 2D semiconductors, is advancing at a thriving pace. It is well known that these delicate few-atoms thick materials can be damaged during the processing toward their integrat ...

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- ...

Local bandgap tuning in two-dimensional (2D) materials is of significant importance for electronic and optoelectronic devices but achieving controllable and reproducible strain engineering at the nanoscale remains a challenge. Here, we report on thermomech ...

Atomically thin materials, such as graphene and transition metal dichalcogenides, are promising candidates for future applications in micro/nanodevices and systems. For most applications, functional nanostructures have to be patterned by lithography. Devel ...

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 ...

Triboelectric nanogenerators are establishing themselves as promising candidates for realizing high-efficient energy harvesting from largely available droplets. However, the conventional droplet-based liquid-solid triboelectric nanogenerator (DLS-TENG) has ...

Grayscale structured surfaces with nanometer-scale features are used in a growing number of applications in optics and fluidics. Thermal scanning probe lithography achieves a lateral resolution below 10 nm and a vertical resolution below 1 nm, but its maxi ...

Field-effect transistors (FETs) based on two-dimensional materials (2DMs) with atomically thin channels have emerged as a promising platform for beyond-silicon electronics. However, low carrier mobility in 2DM transistors driven by phonon scattering remain ...

Xia Liu

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Edge-Contact MoS2 Transistors Fabricated Using Thermal Scanning Probe Lithography

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

Thermomechanical Nanostraining of Two-Dimensional Materials

Thermomechanical Nanocutting of 2D Materials

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

Study of the enhanced electricity output of a sliding droplet-based triboelectric nanogenerator for droplet sensor design

Combining thermal scanning probe lithography and dry etching for grayscale nanopattern amplification

Deterministic grayscale nanotopography to engineer mobilities in strained MoS2 FETs