Pulsed laser deposition of oxide and metallic thin films by means of Nd: YAG laser source operating at its 1st harmonics: Recent approaches and advances

SK Chaluvadi, D Mondal, C Bigi, D Knez… - Journal of Physics …, 2021 - iopscience.iop.org
Quantum materials are central for the development of novel functional systems that are often
based on interface specific phenomena. Fabricating controlled interfaces between quantum …

Unveiling oxygen vacancy superstructures in reduced anatase thin films

D Knez, G Dražić, SK Chaluvadi, P Orgiani… - Nano …, 2020 - ACS Publications
Oxygen vacancies are known to play a crucial role in tuning the physical properties and
technological applications of titanium dioxide TiO2. Over the last decades, defects in …

Oxygen‐Driven Metal–Insulator Transition in SrNbO3 Thin Films Probed by Infrared Spectroscopy

P Di Pietro, C Bigi, SK Chaluvadi… - Advanced Electronic …, 2022 - Wiley Online Library
The occurrence of oxygen‐driven metal–insulator‐transition (MIT) in SrNbO3 (SNO) thin
films epitaxially grown on (110)‐oriented DyScO3 has been reported. SNO films are …

Evidence of a 2D Electron Gas in a Single‐Unit‐Cell of Anatase TiO2 (001)

A Troglia, C Bigi, I Vobornik, J Fujii, D Knez… - Advanced …, 2022 - Wiley Online Library
The formation and the evolution of electronic metallic states localized at the surface,
commonly termed 2D electron gas (2DEG), represents a peculiar phenomenon occurring at …

Harnessing of low-energy IR photons via oxygen-vacancies in SrTiO3 nanocrystals for photocatalytic hydrogen production

J Bandara, C Rajapaksha, CA Jayasundera… - International Journal of …, 2023 - Elsevier
The surface-oxygen vacancies were generated to enhance the near-IR light response of the
SrTiO 3 photocatalyst by heating SrTiO 3 in a highly reducing environment. The UV–visible …

Automatic indexing of two-dimensional patterns in reciprocal space

J Simbrunner, J Domke, F Sojka, D Knez, R Resel… - Physical Review B, 2021 - APS
An indispensable part of the structure determination of crystalline two-dimensional (2D)
materials and epitaxial thin films is the correct indexing of the acquired diffraction patterns. In …

Direct-ARPES and STM investigation of FeSe thin film growth by Nd: YAG laser

SK Chaluvadi, D Mondal, C Bigi, J Fujii, R Adhikari… - Coatings, 2021 - mdpi.com
Research on ultrathin quantum materials requires full control of the growth and surface
quality of the specimens in order to perform experiments on their atomic structure and …

Size and strain induced phase formation and ferromagnetism in reduced TiO2 powders

B Kisan, J Kumar, AM Padhan, P Alagarsamy… - Journal of Physics and …, 2021 - Elsevier
We investigate the strain evolution, phase formation and ferromagnetism of nanocrystalline
TiO 2 powders prepared by high energy planetary ball milling technique. Pure TiO 2 shows …

Analysis of Metal-Insulator Crossover in Strained SrRuO3 Thin Films by X-ray Photoelectron Spectroscopy

A Nardi, C Bigi, S Kumar Chaluvadi, R Ciancio, J Fujii… - Coatings, 2020 - mdpi.com
The electronic properties of strontium ruthenate SrRuO 3 perovskite oxide thin films are
modified by epitaxial strain, as determined by growing on different substrates by pulsed …

Spectroscopic Evidence of a Dimensionality-Induced Metal-to-Insulator Transition in the Ruddlesden–Popper Lan+1NinO3n+1 Series

P Di Pietro, M Golalikhani, K Wijesekara… - … Applied Materials & …, 2021 - ACS Publications
Perovskite-based heterostructures have recently gained remarkable interest, thanks to
atomic-scale precision engineering. These systems are very susceptible to small variations …