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Semiconductors are materials that have a small electronic bandgap. This bandgap prevents current from flowing at absolute zero, but thermally excited charge carriers can begin to flow at higher temperatures. Semiconductors, notably silicon, are at the heart of the modern microelectronics industry, and also have applications in light sources and detectors.
Discovering improved semiconductor materials is essential for optimal device fabrication. In this Perspective, data-driven computational frameworks for semiconductor discovery and device development are discussed, including the challenges and opportunities moving forward.
Here, the authors discover the ground and excited state interlayer excitons in bi- and tri-layer 2H-MoSe2 crystals which exhibit electric-field-driven hybridisation with the intralayer A excitons, showing distinct spin, layer and valley characteristics.
The band topology of twisted 2D systems is a key factor behind their fascinating physics. Here, the authors demonstrate the role of polarization in driving the band topology evolution in twisted transition metal dichalcogenide homobilayers.
The authors report the sweet-spot operation of germanium hole spin qubits, exploring the optimization of the external magnetic field orientation, the g-tensor and its electric tunability, and hyperfine interactions.
Superionic fluoride dielectrics with a low ion migration barrier are capable of excellent capacitive coupling and are highly compatible with scalable device manufacturing processes for integrated electronics.
A molecular design strategy for reducing the vibration-induced non-radiative losses in emissive organic semiconductors is realized by decoupling excitons from high-frequency vibrations.
Two-dimensional crystals have revolutionized fundamental research across a staggering range of disciplines. We take stock of the progress gained after twenty years of work.
The integration of high-performance n-type and p-type two-dimensional transistors — which can be fabricated on 300 mm wafers using a die-by-die transfer process — is an important step in the lab-to-fab transition of two-dimensional semiconductors.