Performance analysis of GaAs based solar cells under gamma irradiation

N Papež, A Gajdoš, R Dallaev, D Sobola… - Applied Surface …, 2020 - Elsevier
The influence of gamma irradiation on gallium arsenide based photovoltaic cells was
investigated. This type of solar cell is used for advanced space application where radiation …

Degradation analysis of GaAs solar cells at thermal stress

N Papež, D Sobola, Ľ Škvarenina, P Škarvada… - Applied Surface …, 2018 - Elsevier
The work focuses on the study of structure stability and electrical parameters of photovoltaic
cells based on GaAs with Ge substrate. Solar cells of this type are used especially in …

CO tip functionalization in subatomic resolution atomic force microscopy

M Kim, JR Chelikowsky - Applied Physics Letters, 2015 - pubs.aip.org
Noncontact atomic force microscopy (nc-AFM) employing a CO-functionalized tip displays
dramatically enhanced resolution wherein covalent bonds of polycyclic aromatic …

First-principles atomic force microscopy image simulations with density embedding theory

Y Sakai, AJ Lee, JR Chelikowsky - Nano Letters, 2016 - ACS Publications
We present an efficient first-principles method for simulating noncontact atomic force
microscopy (nc-AFM) images using a “frozen density” embedding theory. Frozen density …

Discrimination of bond order in organic molecules using noncontact atomic force microscopy

D Fan, Y Sakai, JR Chelikowsky - Nano Letters, 2019 - ACS Publications
Noncontact atomic force microscopy (nc-AFM) with a CO-functionalized tip can image
submolecular structures through high-resolution images with the possibility of discriminating …

Chemical and steric effects in simulating noncontact atomic force microscopy images of organic molecules on a Cu (111) substrate

D Fan, Y Sakai, JR Chelikowsky - Physical Review Materials, 2020 - APS
Noncontact mode of atomic force microscopy (nc-AFM) employing a CO-functionalized tip is
a very powerful tool for studying molecular structures. However, interpreting nc-AFM images …

Modeling atomic force microscopy at LiNbO3 surfaces from first-principles

S Sanna, C Dues, WG Schmidt - Computational Materials Science, 2015 - Elsevier
Atomic force microscopy (AFM) at LiNbO 3 surfaces is simulated from first-principles. The
forces acting on different atomic tip models interacting with x-cut and z-cut LiNbO 3 surfaces …

Advances in food material nanomechanics by means of atomic force microscopy

B Arredondo-Tamayo, S Cárdenas-Pérez… - … and Application of …, 2023 - Elsevier
Atomic force microscopy (AFM) is a powerful nanoscale analysis tool, and its use and
application have increased within the food sector in recent years. This versatile technique …

Computational simulation of subatomic-resolution AFM and STM images for graphene/hexagonal boron nitride heterostructures with intercalated defects

J Lee, M Kim, JR Chelikowsky, G Kim - Physical Review B, 2016 - APS
Using ab initio density functional calculations, we predict subatomic-resolution atomic force
microscopy (AFM) and scanning tunneling microscopy (STM) images of vertical …

Atomic force microscopy for food quality evaluation

M Ding, C Shi, J Zhong - Evaluation Technologies for Food Quality, 2019 - Elsevier
Atomic force microscopy (AFM) is now widely used in food quality evaluation due to its
advantages of high resolution, rapid imaging, simple sample preparation, and imaging in …