PATENTS & Publications

Patents

• Udayan Ganguly, Apurba Laha, Suddhasatta Mahapatra, Krista Khiangte, Method for fabricating germanium/silicon on insulator in radio frequency sputter system, US Patent App. 17/253,462, 2021. 

• Laha Apurba, Suddhasatta Mahapatra, Fandan Rajveer Singh,  Khiangte Krista Roluahpuia, Das Sudipta, Method of fabricating Non-Volatile Memory Device, Indian Patent No. IN201721028302A, 2019. 

Journal Publications

2023

• Pinki Pal, Amandeep Kaur, Sami Suihkonen, Jori Lemettinen, Apurba Laha, Subhabrata Dhar , and Suddhasatta Mahapatra, Enhanced Specific Detectivity and UV-to-Visible Rejection-Ratio of Visible-Blind Metal– Semiconductor–Metal Photodetectors, Based on Epitaxial GaN/Si(111), IEEE Transactions on Electron Devices 70, 3649 (2023)

• Swagata Bhunia, Ritam Sarkar, Dhiman Nag, Dipankar Jana, Suddhasatta Mahapatra, and Apurba Laha, Scaling Nanowire-Supported GaN Quantum Dots to the Sub-10 nm Limit, Yielding Complete Suppression of the Giant Built-in Potential, Cryst. Growth Des., 23, 3935 (2023) 

2022

• Amita Rawat, Krista Khiangte Roluahpuia, Srinu Rowtu, Vinod Belwanshi, Apurba Laha, Suddhasatta Mahapatra, Udayan Ganguly, Radio frequency power controlled Gd2O3 crystal phase transition from monoclinic to cubic, Thin Solid Films 742, 139047, 2022 

2021

• Amita Rawat, Krista Khiangte Roluahpuia, Philipp Gribisch, H-J Osten, Apurba Laha, Suddhasatta Mahapatra, Udayan Ganguly,  Epitaxial Ge-Gd2O3 on Si (111) substrate by sputtering for germanium-on-insulator applications, Thin Solid Films, 731, 138732, 2021.

• Jaswant Rathore, Alisha Nanwani, Samik Mukherjee, Sudipta Das, Oussama Moutanabbir, Suddhasatta Mahapatra, Composition uniformity and large degree of strain relaxation in MBE-grown thick GeSn epitaxial layers, containing 16% Sn, Journal of Physics D: Applied Physics, 54, 18, 185105, 2021. 

• Philipp Henzler, Christian Traum, Matthias Holtkemper, David Nabben, Marcel Erbe, Doris E Reiter, Tilmann Kuhn, Suddhassatta Mahapatra, Karl Brunner, Denis V Seletskiy, Alfred Leitenstorfer, Femtosecond Transfer and Manipulation of Persistent Hot-Trion Coherence in a Single CdSe/ZnSe Quantum Dot, Physical Review Letters, 126, 6, 067402, 2021.

2020

• Jaswant Rathore, Suddhasatta Mahapatra, Formation of antimonene nanoribbons by molecular beam epitaxy, 2D Materials, 7, 4, 045003, 2020.

• Swagata Bhunia, Ritam Sarkar, Dhiman Nag, Kankat Ghosh, Krista R Khiangte, Suddhasatta Mahapatra, Apurba Laha, Decomposition resilience of GaN-nanowires, crested and surficially passivated by AlN, Crystal Growth & Design, 20, 8, 4867-4874, 2020.

2019

• Christian Traum, Philipp Henzler, Stefan Lohner, H Becker, David Nabben, Pascal Gumbsheimer, Christopher Hinz, Jan Frederik Lippmann, S Mahapatra, K Brunner, DV Seletskiy, A Leitenstorfer, Multicolor femtosecond pump-probe system with single-electron sensitivity at low temperatures and high magnetic fields, Review of Scientific Instruments, 90, 12, 123003, 2019.

• Jaswant S Rathore, Rajveer Fandan, Shalini Srivastava, Krista R Khiangte, Sudipta Das, Udayan Ganguly, Apurba Laha, Suddhasatta Mahapatra, Self-assembled Sn nanocrystals as the floating gate of nonvolatile flash memory, ACS Applied Electronic Materials, 1, 9, 1852-1858, 2019. 

• Matheus P Lima, L Cabral, Emanuela Margapoti, Suddhasatta Mahapatra, Juarez LF Da Silva, Fabian Hartmann, Sven Höfling, Gilmar E Marques, Victor Lopez-Richard, Defect-induced magnetism in II-VI quantum dots, Physical Review B, 99, 1, 014424, 2019.

2018

• Krista R Khiangte, Jaswant S Rathore, Vaibhav Sharma, Apurba Laha, Suddhasatta Mahapatra, Engineering strain relaxation of GeSn epilayers on Ge/Si (001) substrates, Solid State Communications, 284, 88-92, 2018.

• Kunal Mitra, Gagan K Goyal, Ekashmi Rathore, Kanishka Biswas, Satish Vitta, Suddhasatta Mahapatra, Titas Dasgupta, Enhanced Thermoelectric Performance in Mg2Si by Functionalized Co‐Doping, physica status solidi (a), 1700829, 215, 21, 1700829, 2018

• Krista R Khiangte, Jaswant S Rathore, Sudipta Das, Ravindra S Pokharia, Jan Schmidt, HJ Osten, Apurba Laha, Suddhasatta Mahapatra, Molecular beam epitaxy and defect structure of Ge (111)/epi-Gd2O3 (111)/Si (111) heterostructures, Journal of Applied Physics, 124, 6, 065704, 2018

• Krista R Khiangte, Jaswant S Rathore, J Schmidt, HJ Osten, A Laha, S Mahapatra, Wafer-scale all-epitaxial GeSn-on-insulator on Si (1 1 1) by molecular beam epitaxy, Journal of Physics D: Applied Physics, 51, 32, 32LT01, 2018.

• Christopher Hinz, Pascal Gumbsheimer, Christian Traum, Matthias Holtkemper, Benjamin Bauer, Johannes Haase, S Mahapatra, Alexander Frey, K Brunner, DE Reiter, T Kuhn, DV Seletskiy, A Leitenstorfer, Charge and spin control of ultrafast electron and hole dynamics in single CdSe/ZnSe quantum dots, Physical Review B, 97, 4, 045302, 2018.

2017

• Arnab Manna, Bhaskaran Muralidharan, Suddhasatta Mahapatra, Eliminating reservoir density-of-states fingerprints in Coulomb blockade spectroscopy, arXiv preprint arXiv:1712.04168, 2017.

• Krista R Khiangte, Jaswant S Rathore, Vaibhav Sharma, Swagata Bhunia, Sudipta Das, Rajveer S Fandan, Ravinder S Pokharia, Apurba Laha, Suddhasatta Mahapatra, Dislocation density and strain-relaxation in Ge1− xSnx layers grown on Ge/Si (0 0 1) by low-temperature molecular beam epitaxy, Journal of Crystal Growth, 470, 135-142, 2017.

• Saquib Shamim, S Mahapatra, G Scappucci, WM Klesse, MY Simmons, Arindam Ghosh, Dephasing rates for weak localization and universal conductance fluctuations in two dimensional Si: P and Ge: P δ-layers, Scientific Reports, 7, 1, 1-9, 2017.

• Sudipta Das, Krista R Khiangte, Rajveer S Fandan, Jaswant S Rathore, Ravindra S Pokharia, Suddhasatta Mahapatra, Apurba Laha, On the correlation of growth, structural and electrical properties of epitaxial Ge grown on Si by solid source molecular beam epitaxy, Current Applied Physics, 17, 3, 327-332, 2017.

2015

• Hoon Ryu, Sunhee Lee, Martin Fuechsle, Jill A Miwa, Suddhasatta Mahapatra, Lloyd CL Hollenberg, Michelle Y Simmons, Gerhard Klimeck, A Tight‐Binding Study of Single‐Atom Transistors, Small, 11, 3, 374-381, 2015. 

2014

• S Shamim, S Mahapatra, G Scappucci, WM Klesse, MY Simmons, A Ghosh, Spontaneous breaking of time-reversal symmetry in strongly interacting two-dimensional electron layers in silicon and germanium, Physical Review Letters, 112, 23, 236602, 2014.

• Bent Weber, YH Matthias Tan, Suddhasatta Mahapatra, Thomas F Watson, Hoon Ryu, Rajib Rahman, Lloyd CL Hollenberg, Gerhard Klimeck, Michelle Y Simmons, Spin blockade and exchange in Coulomb-confined silicon double quantum dots, Nature Nanotechnology, 9, 6, 430-435, 2014.

• • Thomas F Watson, Bent Weber, Jill A Miwa, Suddhasatta Mahapatra, Roel MP Heijnen, Michelle Y Simmons, Transport in asymmetrically coupled donor-based silicon triple quantum dots, Nano Letters, 14, 4, 1830-1835, 2014.

2013

• H Büch, S Mahapatra, Rajib Rahman, Andrea Morello, MY Simmons, Spin readout and addressability of phosphorus-donor clusters in silicon, Nature Communications, 4, 1, 1-6, 2013.

• Hoon Ryu, Sunhee Lee, Bent Weber, Suddhasatta Mahapatra, Lloyd CL Hollenberg, Michelle Y Simmons, Gerhard Klimeck, Atomistic modeling of metallic nanowires in silicon, Nanoscale, 5, 18, 8666-8674, 2013.

2012 - 2000 

• Bent Weber, Suddhasatta Mahapatra, Thomas F Watson, Michelle Y Simmons, Engineering independent electrostatic control of atomic-scale (∼ 4 nm) silicon double quantum dots, Nano Letters, 12, 8, 4001-4006, 2012.

• U Bass, J Geurts, A Frey, S Mahapatra, C Schumacher, K Brunner, Analysis of the depletion layers and conduction band barrier at the n‐ZnSe/n‐GaAs interface for different growth start procedures, physica status solidi (c), 9, 6, 1400-1403, 2012.

• E Margapoti, Fabrizio M Alves, S Mahapatra, V Lopez-Richard, L Worschech, K Brunner, F Qu, C Destefani, E Menendez-Proupin, C Bougerol, A Forchel, GE Marques, Paramagnetic shift in thermally annealed CdxZn1− xSe quantum dots, New Journal of Physics, 14, 4, 043038, 2012.

• Martin Fuechsle, Jill A Miwa, Suddhasatta Mahapatra, Hoon Ryu, Sunhee Lee, Oliver Warschkow, Lloyd CL Hollenberg, Gerhard Klimeck, Michelle Y Simmons, A single-atom transistor, Nature Nanotechnology, 7, 4, 242-246, 2012

• Bent Weber, Suddhasatta Mahapatra, Hoon Ryu, Sunhee Lee, A Fuhrer, TCG Reusch, DL Thompson, WCT Lee, Gerhard Klimeck, Lloyd CL Hollenberg, Michelle Y Simmons, Ohm’s law survives to the atomic scale, Science, 335, 6064, 64-67, 2012.

• Suddhasatta Mahapatra, Holger Büch, Michelle Y Simmons, Charge sensing of precisely positioned P donors in Si, Nano letters, 11, 10, 4376-4381, 2011.

• Saquib Shamim, Suddhasatta Mahapatra, Craig Polley, Michelle Y Simmons, Arindam Ghosh, Suppression of low-frequency noise in two-dimensional electron gas at degenerately doped Si: P δ layers, Physical Review B, 83, 23, 233304, 2011.

• E Margapoti, Fabrizio M Alves, S Mahapatra, T Schmidt, V Lopez-Richard, C Destefani, E Menendez-Proupin, Fanyao Qu, C Bougerol, K Brunner, A Forchel, GE Marques, L Worschech, Characterization of spin-state tuning in thermally annealed semiconductor quantum dots, Physical Review B, 82, 20, 205318, 2010.

• Martin Fuechsle, S Mahapatra, FA Zwanenburg, Mark Friesen, MA Eriksson, Michelle Y Simmons, Spectroscopy of few-electron single-crystal silicon quantum dots, Nature Nanotechnology, 5, 7, 502-505, 2010. 

• Florian Sotier, Tim Thomay, Tobias Hanke, Jan Korger, Suddhasatta Mahapatra, Alexander Frey, Karl Brunner, Rudolf Bratschitsch, Alfred Leitenstorfer, Femtosecond few-fermion dynamics and deterministic single-photon gain in a quantum dot, Nature Physics, 5, 5, 352-356, 2009.

• Johannes Renner, Lukas Worschech, Alfred Forchel, Suddhasatta Mahapatra, Karl Brunner, Glass supported ZnSe microring strongly coupled to a single CdSe quantum dot, Applied Physics Letters, 93, 15, 151109, 2008. 

• S Mahapatra, K Brunner, C Bougerol, Self-assembly of CdSe/ZnSe(001) quantum dot structures mediated by a tellurium cap layer, Applied Physics Letters, 91, 15, 153110, 2007.

• E Margapoti, L Worschech, S Mahapatra, T Slobodskyy, A Tribu, T Aichele, K Brunner, G Schmidt, LW Molenkamp, R André, K Kheng, C Bougerol, A Forchel, Optical characterization of thermally annealed self‐assembled ZnCdSe quantum dots, physica status solidi c, 4, 9, 3280-3288, 2007. 

• T Kiessling, GV Astakhov, AV Platonov, S Mahapatra, T Slobodskyy, W Ossau, G Schmidt, K Brunner, LW Molenkamp, Optical studies of structural and magnetic anisotropies in epitaxial CdSe/ZnSe quantum dots, physica status solidi c, 4, 9, 3324-3333, 2007. 

• Johannes Renner, Lukas Worschech, Suddhasatta Mahapatra, Karl Brunner, Alfred Forchel, Optical characterization of ZnSe/ZnMgSSe microdisks with embedded CdSe quantum dots, physica status solidi c, 4, 9, 3289-3296, 2007. 

• Christian Kumpf, Andreas Stahl, Isabella Gierz, Claus Schumacher, Suddhasatta Mahapatra, Florian Lochner, Karl Brunner, Georg Schmidt, Laurens W Molenkamp, Eberhard Umbach, Structure and relaxation effects in thin semiconducting films and quantum dots, physica status solidi c, 4, 9, 3150-3160, 2007. 

• S Mahapatra, T Kiessling, E Margapoti, GV Astakhov, J Renner, U Bass, C Bougerol, T Schmidt, A Bendounan, F Schmitt, C Schumacher, L Worschech, W Ossau, J Geurts, LW Molenkamp, F Reinert, A Forchel, K Brunner, CdSe/ZnSe heteroepitaxy: Aspects of growth and self organization of nanostructures, physica status solidi c, 4, 9, 3129-3149, 2007.

• M Ghali, T Kümmell, R Arians, J Wenisch, S Mahapatra, K Brunner, G Bacher, Electrical manipulation of spin injection into a single InAs quantum dots, Journal of superconductivity and novel magnetism, 20, 6, 413-416, 2007.

• S Mahapatra, E Margapoti, L Worschech, A Forchel, K Brunner, Amorphous-Te-mediated self-organization of CdSe/ZnSe nanostructures, Journal of crystal growth, 301, 293-296, 2007.

• S Mahapatra, T Kiessling, E Margapoti, GV Astakhov, W Ossau, L Worschech, A Forchel, K Brunner, Layer-by-layer growth and island formation in CdSe/ZnSe heteroepitaxy, Journal of crystal growth, 301, 310-314, 2007.

• M Ghali, R Arians, T Kümmell, G Bacher, J Wenisch, S Mahapatra, K Brunner, Spin injection into a single self-assembled quantum dot in a p-i-n II-VI/III-V structure, Applied Physics Letters, 90, 9, 093110, 2007.

• SK Mahapatra, SD Dhole, VN Bhoraskar, Growth and decay of surface voltage on silver diffused polyimide exposed to 3–15 keV electrons, Journal of Physics D: Applied Physics, 40, 4, 1097, 2007.

• Johannes Renner, Lukas Worschech, Alfred Forchel, Suddhasatta Mahapatra, Karl Brunner, CdSe quantum dot microdisk laser, Applied physics letters, 89, 23, 231104, 2006.

• E Margapoti, L Worschech, S Mahapatra, K Brunner, C Bougerol, A Forchel, Tuning the magnetic properties of ZnCdSe/ZnSe quantum dots by thermal annealing, physica status solidi c, 3, 11, 3904-3907, 2006.

• J Renner, L Worschech, A Forchel, S Mahapatra, K Brunner, Whispering gallery modes in high quality  ZnSe/ZnMgSSe microdisks with CdSe quantum dots studied at room temperature, Applied Physics Letters, 89, 9, 091105, 2006.

• S Mahapatra, T Kiessling, E Margapoti, GV Astakhov, W Ossau, L Worschech, A Forchel, K Brunner, Formation mechanism and properties of CdSe quantum dots on ZnSe by low temperature epitaxy and in situ annealing, Applied physics letters, 89, 4, 2006.

• T Kiessling, AV Platonov, GV Astakhov, T Slobodskyy, S Mahapatra, W Ossau, G Schmidt, K Brunner, LW Molenkamp, Anomalous in-plane magneto-optical anisotropy of self-assembled quantum dots, Physical Review B, 74, 4, 041301, 2006.

• AV Platonov, T Kiessling, GV Astakhov, AA Maksimov, AV Larionov, DR Yakovlev, T Slobodskyy, S Mahapatra, W Ossau, G Schmidt, K Brunner, M Bayer, LW Molenkamp, Energy relaxation in CdSe/ZnSe quantum dots under the strong exciton‐phonon coupling regime, physica status solidi c, 3, 4, 924-927, 2006.

• S Mahapatra, K Brunner, C Schumacher, T Kiessling, GV Astakhov, U Bass, E Margapoti, W Ossau, J Geurts, L Worschech, A Forchel, LW Molenkamp, Comparative study of self‐assembled CdSe/ZnSe quantum dots grown by variants of conventional MBE, physica status solidi c, 3, 4, 928-932, 2006.

• T Kiessling, GV Astakhov, AV Platonov, T Slobodskyy, S Mahapatra, W Ossau, G Schmidt, K Brunner, LW Molenkamp, Optical anisotropy of CdSe/ZnSe quantum dots, physica status solidi c, 3, 4, 912-915, 2006.

• GV Astakhov, T Kiessling, AV Platonov, T Slobodskyy, S Mahapatra, W Ossau, G Schmidt, K Brunner, LW Molenkamp, Circular-to-linear and linear-to-circular conversion of optical polarization by semiconductor quantum dots, Physical review letters, 96, 2, 027402, 2006. 

• J Renner, L Worschech, A Forchel, S Mahapatra, K Brunner, Whispering gallery modes in high quality ZnSe, Applied physics letters, 89, 9, 2006.

• S Mahapatra, C Schumacher, T Kiessling, GV Astakhov, U Bass, W Ossau, J Geurts, K Brunner, CdSe/ZnSe quantum dots formed by low temperature epitaxy and in-situ annealing: Properties and growth optimization, Acta Physica Polonica-Series A General Physics, 108, 5, 769-776, 2005. 

• Suddhasatta Mahapatra, Srinivasrao A Shivashankar, Low‐Pressure Metal–Organic Chemical Vapor Deposition of Transparent and p‐Type Conducting CuCrO2 Thin Films with High Conductivity, Chemical Vapor Deposition, 9, 5, 238-240, 2003.

• S Mukhopadhyay, S Mahapatra, P Mukherjee, T Dasgupta, SK Das, Effect of alumina sol in no-cement refractory castables, Transactions Of The Indian Ceramic Society, 60, 2, 63-67, 2001.