Curriculum Vitae
Employment
DFG Research Fellow - Massachusetts Institute of Technology Department of Physics - Since October 2020
Visiting Scholar - Harvard University SEAS/CIQM & MIT Department of Physics - November 2018 - October 2020
Research Group Leader - MPI - IS - Department of Modern Magnetic Systems - July 2015 - October 2020
Education
Ph.D. University of Stuttgart & MPI-IS - 2015
M.Sc. Anadolu University - 2010
B.Sc. Anadolu University - 2007
Publication List
A. BOOK(S) & THESES
4 K. Keskinbora, Prototyping Micro-and Nano-Optics with Focused Ion Beam Lithography, SPIE Press – Spotlights, e-book, 2019
3 K. Keskinbora, Ion beam lithographic and multilayer Fresnel zone plates for soft and hard X-rays: nanofabrication and characterization, Doctoral Dissertation, University of Stuttgart, http://dx.doi.org/10.18419/opus-8812, 2015, Stuttgart
2 K. Keskinbora, Processing of Textured ZnO Based Materials and Characterization of Their Anisotropic Properties, M. Sc. Thesis, Anadolu University, 2010, Eskisehir
1 K. Keskinbora, Thermoelectric Materials, and Their Applications, B. Sc. Thesis, Anadolu University, 2007, Eskisehir
B. JOURNAL PAPERS
20 Gül Dogan, Sinan O. Demir, Rico Gutzler, … K. Keskinbora*, Bayesian Machine Learning for Efficient Minimization of Defects in ALD Passivation Layers, ACS Appl. Mater. Interfaces, in print, 2021
19 Gül Dogan, Frank Chiu, Sam UH Chen, … K. Keskinbora*, Micromachining of Al2O3 thin films via laser drilling and plasma etching for interfacing copper, Materials & Design, 210, 110114, 2021
18 F. Groß, M. Zelent, N. Träger, … K. Keskinbora, G. Schütz, M. Krawczyk, J. Gräfe, Building Blocks for Magnon Optics: Emission and Conversion of Short Spin Waves, ACS Nano, 14 (12), 17184-17193 , 2020
17 A. Levitan, K. Keskinbora, U. T. Sanli, M. Weigand, R. Comin, Single-Frame Diffractive Imaging with Randomized Illumination, Optics Express, 28 (25), 37103-37117, 2020
16 J. Gräfe, P. Gruszecki, M. Zelent, M. Decker, K. Keskinbora, …, G. Schütz, Direct observation of spin-wave focusing by a Fresnel lens, Physical Review B 102 (2), 024420, 2020
15 G. Dogan, U. T. Sanli, …, K. Keskinbora*, In situ X-ray Diffraction and Spectro-Microscopic Study of ALD Protected Copper Films, ACS Appl. Mater. Interfaces, 12, 29, 2020
14 L. Loetgering, M. Baluktsian, K. Keskinbora, …, S. Witte, Generation and characterization of focused helical X-ray beams, Science Advances, eaax8836, 6 (7), 2020
13 L. Loetgering, M. Rose, K. Keskinbora, M. Baluktsian, …, T. Wilhein, Correction of axial position uncertainty and systematic detector errors in ptychographic diffraction imaging, Opt. Eng. 57 (8), 084106, 2018
12 K. Keskinbora*, U.T. Sanli, M. Baluktsian, C.Grévent, G. Schütz, High-throughput Synthesis of High Resolution Modified Fresnel Zone Plate arrays via Ion Beam Lithography, Beilstein Journal of Nanotechnology 9 (1), 2049-2056, 2018
11 U. T. Sanli, H. Ceylan*, I. Bykova, M. Weigand, M. Sitti, G. Schütz, K. Keskinbora*, 3D Nano-printed Kinoform X-ray Optics, Adv. Mater. 1802503, 2018
10 U. T. Sanli*, C. J. M. Baluktsian, C. Grevent, K. H., Y. Wang, V. Srot, G. Richter, I. Bykova, M. Weigand, G. Schütz, K. Keskinbora* 3D Nanofabrication of High-resolution Multilayer Fresnel Zone Plates Adv. Science, 1800346, 2018
9 P. Vayalamkuzhi, S. Bhattacharya, U. Eigenthaler, K. Keskinbora, C.T. Samlan, M. Hirscher, J.P. Spatz, N.K. Viswanathan, Direct patterning of vortex generators on a fiber tip using a focused ion beam Opt. Express, 41, 10, 2133, 2016
8 K. Keskinbora, C. Grévent, M. Hirscher, M. Weigand, G. Schütz, Single-step 3D nanofabrication of kinoform optics via gray-scale focused ion beam lithography for efficient X-ray focusing Adv. Opt. Mater., 3, 792-800, 2015
7 K. Keskinbora, A.-L. Robisch, M. Mayer, U. T. Sanli, C. Grévent, C. Wolter, M. Weigand, A. Szeghalmi, M. Knez, T. Salditt, G. Schütz, Multilayer Fresnel zone plates for high energy radiation resolve 21 nm features at 1.2 keV Opt. Express, 22 (15), 18440-18453, 2014
6 K. Keskinbora, C. Grévent, U. Eigenthaler, M. Weigand, G. Schütz, Rapid prototyping of Fresnel zone plates via direct Ga+ ion beam lithography for high resolution X-Ray imaging, ACS Nano, 7 (11), 9788-9797, 2013
5 K. Keskinbora, C. Grévent, M. Bechtel, M. Weigand, E. Goering, A. Nadzeyka, L. Peto, S. Rehbein, G. Schneider, R. Follath, J. Vila-Comamala, H. Yan, G. Schütz, Ion beam lithography for Fresnel zone plates in X-ray microscopy Opt. Express 21 (10), 11747-11756, 2013
4 M. Mayer, K. Keskinbora, C. Grévent, A. Szeghalmi, M. Knez, M. Weigand, A. Snigirev, I. Snigireva, G. Schutz, Efficient focusing of 8 keV X-rays with multilayer Fresnel zone plates fabricated by atomic layer deposition and focused ion beam milling J. Synchrotron Radiat. 20 (3), 433-440, 2013
3 A Nadzeyka, L. Peto, S. Bauerdick, M. Mayer, K. Keskinbora, C. Grévent, M. Weigand, M. Hirscher, G. Schütz, Ion beam lithography for direct patterning of high accuracy large area X-ray elements in gold on membranes Microelectron. Eng., 98, 198-201, 2012
2 K. Keskinbora, T. S. Suzuki, I. O. Ozer, Y. Sakka, E. Suvaci, Hybrid processing and anisotropic sintering shrinkage in textured ZnO ceramics Sci. Technol. Adv. Mater. 11 (6), 065006, 2011
1 N. Saha, K. Keskinbora, E. Suvaci, B. Basu, Sintering, microstructure, mechanical, and antimicrobial properties of HAp‐ZnO biocomposites J. Biomed. Mater. Res., Part B 95 (2), 430-440, 2010
C. PROCEEDINGS & PRE-PRINTS
14 K Keskinbora, A Levitan, G Schütz, R Comin, Complex amplitude control in X-rays for maskless holography, Bulletin of the American Physical Society, 2021
13 K. Keskinbora, A. Levitan, G. Schütz, R. Comin, Maskless off-axis X-ray holography, arXiv preprint arXiv:2101.12380, 2021
12 A. Levitan, K. Keskinbora, U. T. Sanli, M. Weigand, R. Comin, Single Shot Diffractive Imaging with Randomized Illumination, arXiv preprint arXiv:2010.02948, 2020
11 I. Bykova, K. Keskinbora, U. Sanli, J. Gräfe, M. Bechtel, G. Yu, … Weigand, M. Soft X-ray Ptychography for Imaging of Magnetic Domains and Skyrmions in Sub-100 nm Scales. Microscopy & Microanalysis, 24(S2), 36-37.
10 U. Sanli, H. Ceylan, C. Jiao, M. Baluktsian, Grevent, K. C., Hahn, ... K. Keskinbora* New Concepts for 3D Optics in X-ray Microscopy. Microscopy & Microanalysis, 24(S2), 292-293.
9 J. Gräfe, M. Decker, K. Keskinbora, M. Noske, P. Gawronski, H. Stoll, C. H Back, E. J. Goering, G. Schütz, X-Ray Microscopy of Spin Wave Focusing using a Fresnel Zone Plate arXiv preprint arXiv:1707.03664, 2017
8 M. Baluktsian, K. Keskinbora, Y.T. Sanli, Micromachining of Si3N4 by Ga+-Ion Implantation and Dry Etching, Microscopy & Microanalysis 22, (S3), 170-171, 2016
7 K. Keskinbora*, U.T. Sanli, C. Grévent, G. Schütz, Fabrication and x-ray testing of true kinoform lenses with high efficiencies, Proc. SPIE, 95920H-95920H-6, 2015
6 U.T. Sanli, K. Keskinbora*, K. Gregorczyk, J. Leister, N. Teeny, C. Grévent, M. Knez, G. Schütz, High-Resolution High-Efficiency Multilayer Fresnel Zone Plates For Soft and Hard X-Rays, Proc. SPIE, 95920F-95920F-8, 2015
5 K. Keskinbora, U.T. Sanli, C. Grévent, M. Hirscher, G. Schütz, Focused Ion Beam Micromachining Enables Novel Optics for X-ray Microscopy, Microscopy & Microanalysis 21 (S3), 1983-1984, 2015
4 U.T. Sanli, K. Keskinbora, C. Grévent, A. Szeghalmi, M. Knez, G. Schütz, Multilayer Fresnel Zone Plates for X-ray Microscopy, Microscopy & Microanalysis 21 (S3), 1987-1988, 2015
3 U. T. Sanli, K. Keskinbora, C. Grévent, G. Schütz, Overview of the multilayer-Fresnel Zone Plate and the kinoform lens development at MPI for Intelligent Systems, Proc. of SPIE, 95100U-95100U-9, 2015
2 A Vijayakumar, U. Eigenthaler, K. Keskinbora, G. M Sridharan, V. Pramitha, M. Hirscher, J. P. Spatz, S. Bhattacharya, Optimizing the fabrication of diffractive optical elements using a focused ion beam system, Proc. SPIE 9130, 91300X-1, 2014
1 K. Keskinbora, A.-L. Robisch, M. Mayer, C. Grévent, A. V. Szeghalmi, M. Knez, M. Weigand, I. Snigireva, A. Snigirev, T. Salditt, G. Schütz, Recent advances in use of atomic layer deposition and focused ion beams for fabrication of Fresnel Zone Plates for hard X-rays, Proc. SPIE, 885119-885119-5, 2013
D. PATENTS
5 U. T. Sanli, K. Keskinbora and G. Schütz, C. Jiao, High Resolution Full Material Fresnel Zone Plate Array and Process for its Fabrication, US Patent Application Pending, US20210239889A1, 2021
4 K. Keskinbora, U. T. Sanli, H. Ceylan, G. Schütz, M. Sitti, Method for Printing X-Ray Optics and Printed X-Ray Optics, US Patent Application Pending, US20200398509A1, 2020
3 K. Keskinbora, U. T. Sanli, H. Ceylan, G. Schütz, M. Sitti, Method for Printing X-Ray Optics and Printed X-Ray Optics, EP18161035.3, PCT Application, 2018
2 U. T. Sanli, K. Keskinbora and G. Schütz, High Resolution Full Material Fresnel Zone Plate Array and Process for its Fabrication, EU Patent, EPO 3282294, March 2020