Divine P. Kumah, Ph.D. - Publications

Affiliations: 
2009 University of Michigan, Ann Arbor, Ann Arbor, MI 
Area:
x-ray physics, materials research, magnetic and ferroelectric nanostructures

38 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2020 Lim ZH, Chrysler M, Kumar A, Mauthe JP, Kumah DP, Richardson C, LeBeau JM, Ngai JH. Suspended single-crystalline oxide structures on silicon through wet-etch techniques: Effects of oxygen vacancies and dislocations on etch rates Journal of Vacuum Science & Technology A. 38: 013406. DOI: 10.1116/1.5135035  0.317
2020 Penn AN, Koohfar S, Kumah DP, LeBeau JM. On the redistribution of charge in La0.7Sr0.3CrO3/La0.7Sr0.3MnO3 multilayer thin films Aip Advances. 10: 045113. DOI: 10.1063/1.5140352  0.464
2019 Al-Tawhid A, Frick JR, Dougherty DB, Kumah DP. Growth-temperature dependence of conductivity at the LaCrO3/SrTiO3 (001) interface Journal of Vacuum Science & Technology A. 37: 021102. DOI: 10.1116/1.5085334  0.418
2018 Chen T, Ahmadi-Majlan K, Lim ZH, Zhang Z, Ngai JH, Kemper AF, Kumah DP. Interfacial structure of SrZrxTi1−xO3 films on Ge Applied Physics Letters. 113: 201601. DOI: 10.1063/1.5046394  0.503
2018 Ahmadi-Majlan K, Chen T, Lim ZH, Conlin P, Hensley R, Chrysler M, Su D, Chen H, Kumah DP, Ngai JH. Tuning metal-insulator behavior in LaTiO3/SrTiO3 heterostructures integrated directly on Si(100) through control of atomic layer thickness Applied Physics Letters. 112: 193104. DOI: 10.1063/1.5018069  0.367
2017 Dogan M, Fernandez-Pena S, Kornblum L, Jia Y, Kumah D, Reiner J, Krivokapic Z, Kolpak AM, Ismail-Beigi S, Ahn C, Walker F. Single atomic layer ferroelectric on silicon. Nano Letters. PMID 29244954 DOI: 10.1021/Acs.Nanolett.7B03988  0.361
2017 Disa AS, Georgescu AB, Hart JL, Kumah DP, Shafer P, Arenholz E, Arena DA, Ismail-Beigi S, Taheri ML, Walker FJ, Ahn CH. Control of hidden ground-state order in NdNiO3 superlattices Physical Review Materials. 1. DOI: 10.1103/Physrevmaterials.1.024410  0.43
2017 Koohfar S, Disa AS, Marshall MSJ, Walker FJ, Ahn CH, Kumah DP. Structural distortions at polar manganite interfaces Physical Review B. 96. DOI: 10.1103/Physrevb.96.024108  0.408
2016 Kumah DP, Dogan M, Ngai JH, Qiu D, Zhang Z, Su D, Specht ED, Ismail-Beigi S, Ahn CH, Walker FJ. Engineered Unique Elastic Modes at a BaTiO_{3}/(2×1)-Ge(001) Interface. Physical Review Letters. 116: 106101. PMID 27015492 DOI: 10.1103/Physrevlett.116.106101  0.411
2016 Ngai JH, Ahmadi-Majlan K, Moghadam J, Chrysler M, Kumah DP, Ahn CH, Walker FJ, Droubay T, Bowden M, Chambers SA, Shen X, Su D. Electrically Coupling Multifunctional Oxides to Semiconductors: A Route to Novel Material Functionalities Mrs Advances. 1: 255-263. DOI: 10.1557/Adv.2016.101  0.361
2016 Zou K, Mandal S, Albright SD, Peng R, Pu Y, Kumah D, Lau C, Simon GH, Dagdeviren OE, He X, BoŽović I, Schwarz UD, Altman EI, Feng D, Walker FJ, et al. Role of double Ti O2 layers at the interface of FeSe/ SrTi O3 superconductors Physical Review B - Condensed Matter and Materials Physics. 93. DOI: 10.1103/Physrevb.93.180506  0.415
2015 Disa AS, Kumah DP, Malashevich A, Chen H, Arena DA, Specht ED, Ismail-Beigi S, Walker FJ, Ahn CH. Orbital engineering in symmetry-breaking polar heterostructures. Physical Review Letters. 114: 026801. PMID 25635555 DOI: 10.1103/Physrevlett.114.026801  0.393
2015 Kornblum L, Jin EN, Kumah DP, Ernst AT, Broadbridge CC, Ahn CH, Walker FJ. Oxide 2D electron gases as a route for high carrier densities on (001) Si Applied Physics Letters. 106: 201602. DOI: 10.1063/1.4921437  0.383
2014 Kumah DP, Disa AS, Ngai JH, Chen H, Malashevich A, Reiner JW, Ismail-Beigi S, Walker FJ, Ahn CH. Tuning the structure of nickelates to achieve two-dimensional electron conduction. Advanced Materials (Deerfield Beach, Fla.). 26: 1935-40. PMID 24497382 DOI: 10.1002/Adma.201304256  0.337
2014 Xiong C, Pernice WH, Ngai JH, Reiner JW, Kumah D, Walker FJ, Ahn CH, Tang HX. Active silicon integrated nanophotonics: ferroelectric BaTiO₃ devices. Nano Letters. 14: 1419-25. PMID 24447145 DOI: 10.1021/Nl404513P  0.318
2014 Kumah DP, Malashevich A, Disa AS, Arena DA, Walker FJ, Ismail-Beigi S, Ahn CH. Effect of surface termination on the electronic properties of LaNiO3 films Physical Review Applied. 2. DOI: 10.1103/Physrevapplied.2.054004  0.392
2014 Jin EN, Kornblum L, Kumah DP, Zou K, Broadbridge CC, Ngai JH, Ahn CH, Walker FJ. A high density two-dimensional electron gas in an oxide heterostructure on Si (001) Apl Materials. 2. DOI: 10.1063/1.4902433  0.388
2014 Ngai JH, Kumah DP, Ahn CH, Walker FJ. Hysteretic electrical transport in BaTiO3/Ba1-xSrxTiO3/Ge heterostructures Applied Physics Letters. 104. DOI: 10.1063/1.4864648  0.319
2013 Chen H, Kumah DP, Disa AS, Walker FJ, Ahn CH, Ismail-Beigi S. Modifying the electronic orbitals of nickelate heterostructures via structural distortions. Physical Review Letters. 110: 186402. PMID 23683225 DOI: 10.1103/Physrevlett.110.186402  0.335
2013 Kumah DP, Yacoby Y, Pauli SA, Willmott PR, Clarke R. La-doped BaTiO3 heterostructures: Compensating the polarization discontinuity Apl Materials. 1: 062107. DOI: 10.1063/1.4849735  0.389
2013 Disa AS, Kumah DP, Ngai JH, Specht ED, Arena DA, Walker FJ, Ahn CH. Phase diagram of compressively strained nickelate thin films Apl Materials. 1. DOI: 10.1063/1.4820431  0.451
2013 Moyer JA, Kumah DP, Vaz CAF, Arena DA, Henrich VE. Role of epitaxial strain on the magnetic structure of Fe-doped CoFe 2O4 Journal of Magnetism and Magnetic Materials. 345: 180-189. DOI: 10.1016/J.Jmmm.2013.06.031  0.461
2012 Marshall MSJ, Kumah DP, Reiner JW, Baddorf AP, Ahn CH, Walker FJ. Piezoelectric force microscopy of crystalline oxide-semiconductor heterostructures Applied Physics Letters. 101. DOI: 10.1063/1.4750243  0.357
2012 Moyer JA, Kumah DP, Vaz CAF, Arena DA, Henrich VE. Epitaxial strain-induced changes in the cation distribution and resistivity of Fe-doped CoFe 2O 4 Applied Physics Letters. 101. DOI: 10.1063/1.4735233  0.391
2011 Cohen E, Elfassy N, Koplovitz G, Yochelis S, Shusterman S, Kumah DP, Yacoby Y, Clarke R, Paltiel Y. Surface x-ray diffraction results on the III-V droplet heteroepitaxy growth process for quantum dots: recent understanding and open questions. Sensors (Basel, Switzerland). 11: 10624-37. PMID 22346663 DOI: 10.3390/S111110624  0.619
2011 Moyer JA, Vaz CAF, Arena DA, Kumah D, Negusse E, Henrich VE. Magnetic structure of Fe-doped CoFe2O4 probed by x-ray magnetic spectroscopies Physical Review B - Condensed Matter and Materials Physics. 84. DOI: 10.1103/Physrevb.84.054447  0.366
2011 Cohen E, Yochelis S, Westreich O, Shusterman S, Kumah DP, Clarke R, Yacoby Y, Paltiel Y. Structure of droplet-epitaxy-grown InAs/GaAs quantum dots Applied Physics Letters. 98. DOI: 10.1063/1.3599063  0.663
2011 Kumah DP, Wu JH, Husseini NS, Dasika VD, Goldman RS, Yacoby Y, Clarke R. Correlating structure, strain, and morphology of self-assembled InAs quantum dots on GaAs Applied Physics Letters. 98. DOI: 10.1063/1.3535984  0.762
2010 Kumah DP, Reiner JW, Segal Y, Kolpak AM, Zhang Z, Su D, Zhu Y, Sawicki MS, Broadbridge CC, Ahn CH, Walker FJ. The atomic structure and polarization of strained SrTiO3/Si Applied Physics Letters. 97. DOI: 10.1063/1.3529460  0.408
2009 Kumah DP, Shusterman S, Paltiel Y, Yacoby Y, Clarke R. Atomic-scale mapping of quantum dots formed by droplet epitaxy. Nature Nanotechnology. 4: 835-8. PMID 19893522 DOI: 10.1038/Nnano.2009.271  0.631
2008 Liu L, Husseini NS, Torbet CJ, Kumah DP, Clarke R, Pollock TM, Jones JW. In Situ Imaging of High Cycle Fatigue Crack Growth in Single Crystal Nickel-Base Superalloys by Synchrotron X-Radiation Journal of Engineering Materials and Technology. 130. DOI: 10.1115/1.2840966  0.706
2008 Herger R, Willmott PR, Schlepütz CM, Björck M, Pauli SA, Martoccia D, Patterson BD, Kumah D, Clarke R, Yacoby Y, Döbeli M. Structure determination of monolayer-by-monolayer grown La1-x Srx MnO3 thin films and the onset of magnetoresistance Physical Review B - Condensed Matter and Materials Physics. 77. DOI: 10.1103/Physrevb.77.085401  0.427
2008 Kumah DP, Riposan A, Cionca CN, Husseini NS, Clarke R, Lee JY, Millunchick JM, Yacoby Y, Schlepütz CM, Björck M, Willmott PR. Resonant coherent Bragg rod analysis of strained epitaxial heterostructures Applied Physics Letters. 93: 081910. DOI: 10.1063/1.2975835  0.713
2008 Cionca CN, Riposan A, Kumah DP, Husseini NS, Walko DA, Yacoby Y, Millunchick JM, Clarke R. Strain and composition mapping of epitaxial nanostructures Applied Physics Letters. 92: 151914. DOI: 10.1063/1.2908214  0.715
2008 Husseini NS, Kumah DP, Yi JZ, Torbet CJ, Arms DA, Dufresne EM, Pollock TM, Wayne Jones J, Clarke R. Mapping single-crystal dendritic microstructure and defects in nickel-base superalloys with synchrotron radiation Acta Materialia. 56: 4715-4723. DOI: 10.1016/J.Actamat.2008.05.041  0.742
2007 Willmott PR, Pauli SA, Herger R, Schlepütz CM, Martoccia D, Patterson BD, Delley B, Clarke R, Kumah D, Cionca C, Yacoby Y. Structural basis for the conducting interface between LaAlO3 and SrTiO3. Physical Review Letters. 99: 155502. PMID 17995179 DOI: 10.1103/Physrevlett.99.155502  0.758
2007 Kumah DP, Cebollada A, Clavero C, García-Martín JM, Skuza JR, Lukaszew RA, Clarke R. Optimizing the planar structure of (1 1 1) Au/Co/Au trilayers Journal of Physics D: Applied Physics. 40: 2699-2704. DOI: 10.1088/0022-3727/40/9/003  0.62
2007 Boschetto D, Mourou G, Rousse A, Mordovanakis A, Hou B, Nees J, Kumah D, Clarke R. Spatial coherence properties of a compact and ultrafast laser-produced plasma keV x-ray source Applied Physics Letters. 90: 011106. DOI: 10.1063/1.2426941  0.352
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