Advanced techniques for characterization of ion beam modified materials

Y Zhang, A Debelle, A Boulle, P Kluth… - Current Opinion in Solid …, 2015 - Elsevier
Understanding the mechanisms of damage formation in materials irradiated with energetic
ions is essential for the field of ion-beam materials modification and engineering. Utilizing …

Effects of sequential tungsten and helium ion implantation on nano-indentation hardness of tungsten

DEJ Armstrong, PD Edmondson, SG Roberts - Applied Physics Letters, 2013 - pubs.aip.org
To simulate neutron and helium damage in a fusion reactor first wall sequential self-ion
implantation up to 13 dpa followed by helium-ion implantation up to 3000 appm was …

Strengthening mechanisms in Fe-Al based ferritic low-density steels

S Pramanik, S Koppoju, AV Anupama, B Sahoo… - Materials Science and …, 2018 - Elsevier
Low-density steels with different aluminium contents have been investigated with an aim to
examine the occurrence of different strengthening mechanisms leading to its higher …

On the understanding of microstructural evolution during hot deformation of n-ODS-18Cr ferritic steel containing heterogeneous microstructure

R Jarugula, S Koppoju, R Jeyaraam… - Materials Science and …, 2021 - Elsevier
The objective of the present work is to investigate the microstructural evolution during hot
deformation of nano oxide dispersion strengthened (n-ODS) Fe–18Cr ferritic steel over a …

Hierarchical microstructure in mesoporous SnO2 beads

S Koppoju, TB Mangalarapu, E Ramasamy - Indian Journal of Physics, 2024 - Springer
Tin oxide (SnO2) mesoporous beads are a significant category of nanostructured materials
with extensive applications in sensors and energy storage. In this study, we report the …

Creep deformation behavior of nano oxide dispersion strengthened Fe–18Cr ferritic steel

R Jarugula, PS Babu, SGS Raman, G Sundararajan - Materialia, 2020 - Elsevier
The objective of present work is to investigate the creep behavior of nano oxide dispersion
strengthened Fe–18Cr ferritic steel (Fe–18Cr–3W–0.3 Ti–0.35 Y 2 O 3) over a range of …

Synthesis, characterization, conductivity, magnetic and magnetoresistance studies of Sr2Fe1 − xInxMoO6 (x = 0.0 and 0.2) double perovskite

Y Markandeya, YS Reddy, S Bale… - Journal of Materials …, 2018 - Springer
Abstract Double perovskite materials Sr 2 Fe 1− x In x MoO 6 (x= 0.0 and 0.2) were
synthesized by sol–gel process. The materials were analyzed by X-ray diffraction and it is …

Morphology of ion irradiation induced nano-porous structures in Ge and Si1− xGex alloys

HS Alkhaldi, F Kremer, P Mota-Santiago… - Journal of Applied …, 2017 - pubs.aip.org
Crystalline Ge and Si 1− x Ge x alloys (x= 0.83, 0.77) of (100) orientation were implanted
with 140 keV Ge− ions at fluences between 5× 10 15 to 3× 10 17 ions/cm 2, and at …

Ion-erosion induced surface nanoporosity and nanotopography on Si

P Süle - The Journal of chemical physics, 2011 - pubs.aip.org
The low-energy ion-bombardment induced surface nanotopography and the nanopatterning
of Si has been simulated by atomistic simulations using an approach based on molecular …

Fabrication of double barrier structures in single layer c-Si–QDs/a-SiOx films for realization of energy selective contacts for hot carrier solar cells

D Kar, D Das - Journal of Applied Physics, 2017 - pubs.aip.org
Thin films of c-Si–QDs embedded in an a-SiO x dielectric matrix forming arrays of double
barrier structures have been fabricated by reactive rf-magnetron sputtering at∼ 400 C …