Akash Bhatnagar
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Role of domain walls in the abnormal photovoltaic effect in BiFeO 3
A Bhatnagar, AR Chaudhuri, YH Kim, D Hesse, M Alexe
Nature Communications 4 (1), 1-8, 2013
Enhancement of local photovoltaic current at ferroelectric domain walls in BiFeO 3
MM Yang, A Bhatnagar, ZD Luo, M Alexe
Scientific reports 7 (1), 1-8, 2017
Persistent photoconductivity in strained epitaxial BiFeO3 thin films
A Bhatnagar, YH Kim, D Hesse, M Alexe
Nano Letters 14 (9), 5224-5228, 2014
Optical properties of epitaxial BiFeO3 thin films grown on LaAlO3
C Himcinschi, A Bhatnagar, A Talkenberger, M Barchuk, DRT Zahn, ...
Applied Physics Letters 106 (1), 012908, 2015
Electronic Origin and Tailoring of Photovoltaic Effect in BiFeO3 Single Crystals
M Yang, A Bhatnagar, M Alexe
Advanced Electronic Materials 1 (11), 1500139, 2015
Microstructure of highly strained BiFeO3 thin films: Transmission electron microscopy and electron-energy loss spectroscopy studies
Y Heon Kim, A Bhatnagar, E Pippel, M Alexe, D Hesse
Journal of Applied Physics 115 (4), 043526, 2014
The emergence of magnetic ordering at complex oxide interfaces tuned by defects
DS Park, AD Rata, IV Maznichenko, S Ostanin, YL Gan, S Agrestini, ...
Nature communications 11 (1), 1-9, 2020
Surface passivation of semiconducting oxides by self-assembled nanoparticles
DS Park, H Wang, SKV Farahani, M Walker, A Bhatnagar, D Seghier, ...
Scientific reports 6 (1), 1-13, 2016
Nanoscale Bi 2 FeO 6− x precipitates in BiFeO 3 thin films: a metastable Aurivillius phase
H Deniz, A Bhatnagar, E Pippel, R Hillebrand, A Hähnel, M Alexe, ...
Journal of Materials Science 49 (20), 6952-6960, 2014
Domain and switching control of the bulk photovoltaic effect in epitaxial BiFeO 3 thin films
DS Knoche, Y Yun, N Ramakrishnegowda, L Mühlenbein, X Li, ...
Scientific reports 9 (1), 1-8, 2019
Long range ordering of 71° domain walls in epitaxial BiFeO3 thin films
Y Yun, N Ramakrishnegowda, DS Park, A Bhatnagar
Applied Physics Letters 113 (4), 042901, 2018
Anomalous circular bulk photovoltaic effect in BiFeO 3 thin films with stripe-domain pattern
DS Knoche, M Steimecke, Y Yun, L Mühlenbein, A Bhatnagar
Nature communications 12 (1), 1-8, 2021
Sub-band level-assisted photoconduction in epitaxial BiFeO3 films
A Bhatnagar, YH Kim, D Hesse, M Alexe
Applied Physics Letters 105 (12), 122905, 2014
Activity of Sub‐Band Gap States in Ferroelectric Pb(Zr0.2Ti0.8)O3 Thin Films
N Ramakrishnegowda, Y Yun, DS Knoche, L Mühlenbein, X Li, ...
Advanced Electronic Materials 6 (4), 1900966, 2020
Strongly enhanced and tunable photovoltaic effect in ferroelectric-paraelectric superlattices
Y Yun, L Mühlenbein, DS Knoche, A Lotnyk, A Bhatnagar
Science Advances 7 (23), eabe4206, 2021
Nanocomposites with Three-Dimensional Architecture and Impact on Photovoltaic Effect
L Mühlenbein, CB Singh, A Lotnyk, C Himcinschi, Y Yun, ...
Nano Letters 20 (12), 8789-8795, 2020
Electromagnetic Functionalization of Wide‐Bandgap Dielectric Oxides by Boron Interstitial Doping
DS Park, GJ Rees, H Wang, D Rata, AJ Morris, IV Maznichenko, ...
Advanced Materials 30 (39), 1802025, 2018
Bulk-Controlled Photovoltaic Effect in Nanometer-Thick Ferroelectric Pb(Zr0.2Ti0.8)O3 Thin Films and the Role of Domain Walls
N Ramakrishnegowda, DS Knoche, L Mühlenbein, A Lotnyk, ...
ACS Applied Nano Materials 3 (12), 11881-11888, 2020
Electronic and photoelectronic processes in multiferroic materials
A Bhatnagar
Universitäts-und Landesbibliothek Sachsen-Anhalt, 2014
Impact of Samarium on the Growth of Epitaxial Bismuth Ferrite Thin Films
L Mühlenbein, C Bhal Singh, A Hähnel, S Campbell, C Hagendorf, ...
physica status solidi (b) 257 (7), 1900625, 2020
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