Plasmonic semiconductors: materials, tunability and applications

Y Guo, Z Xu, AG Curto, YJ Zeng… - Progress in Materials …, 2023 - Elsevier
Semiconductor plasmonics has become a frontier for light manipulation beyond the
diffraction limit, offering a broader spectral range and higher flexibility of plasmon …

Reversal of Band-Ordering Leads to High Hole Mobility in Strained p-type Scandium Nitride

S Rudra, D Rao, S Poncé, B Saha - Nano Letters, 2023 - ACS Publications
Low hole mobility of nitride semiconductors is a significant impediment to realizing their high-
efficiency device applications. Scandium nitride (ScN), an emerging rocksalt indirect band …

Electron confinement–induced plasmonic breakdown in metals

P Das, S Rudra, D Rao, S Banerjee, A Indiradevi… - Science …, 2024 - science.org
Plasmon resonance represents the collective oscillation of free electron gas density and
enables enhanced light-matter interactions in nanoscale dimensions. Traditionally, the …

Morphology-controlled reststrahlen band and infrared plasmon polariton in gan nanostructures

KC Maurya, A Chatterjee, SM Shivaprasad, B Saha - Nano Letters, 2022 - ACS Publications
Due to ultrabright and stable blue light emission, GaN has emerged as one of the most
famous semiconductors of the modern era, useful for light-emitting diodes, power …

Coexistence of infrared plasmon and thermoelectricity in rare-earth semiconducting ytterbium nitride

M Loyal, B Biswas, P Das, B Saha - Applied Physics Letters, 2023 - pubs.aip.org
Rare-earth nitride (REN) pnictides are exciting materials due to their localized and strongly
correlated 4f-electrons that lead to interesting magnetic properties useful for spintronic …

Scandium nitride as a gateway III‐nitride semiconductor for both excitatory and inhibitory optoelectronic artificial synaptic devices

D Rao, AIK Pillai, M Garbrecht… - Advanced Electronic …, 2023 - Wiley Online Library
Traditional computation based on von Neumann architecture is limited by time and energy
consumption due to data transfer between the storage and the processing units. The von …

Band gaps and phonons of quasi-bulk rocksalt ScN

J Grümbel, R Goldhahn, M Feneberg, Y Oshima… - Physical Review …, 2024 - APS
ScN is an emerging transition metal nitride with unique physical properties arising from the d
electrons of Sc. In this letter, we present the results of optical characterization techniques …

Flexible Near-Infrared Plasmon-Polaritons in Epitaxial Scandium Nitride Enabled by van der Waals Heteroepitaxy

D Mukhopadhyay, D Rao, RS Rawat, AIK Pillai… - Nano Letters, 2024 - ACS Publications
Van der Waals heteroepitaxy refers to the growth of strain-and misfit-dislocation-free
epitaxial films on layered substrates or vice versa. Such heteroepitaxial technique can be …

Dominant Scattering Mechanisms in Limiting the Electron Mobility of Scandium Nitride

S Rudra, D Rao, S Poncé, B Saha - Nano Letters, 2024 - ACS Publications
Electron mobility in nitride semiconductors is limited by electron–phonon, defect, grain-
boundary, and dislocation scatterings. Scandium nitride (ScN), an emerging rocksalt indirect …

Surface scattering-dependent electronic transport in ultrathin scandium nitride films

D Mukhopadhyay, S Rudra, B Biswas, P Das… - Applied Physics …, 2023 - pubs.aip.org
With the constant miniaturization of device technologies, it has become essential to
understand and engineer the electronic properties of semiconductors in nanoscale …