Mr. Douglas A. A. Ohlberg Profile

Douglas A. A. Ohlberg

at Univ Federal de Minas Gerais

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Author

Publications (6)

Proceedings Article | 1 August 2021 Presentation + Paper

Near-field microwave microscopy of nanostructured materials: modeling and experiment

Diego Lopez, Douglas A. Ohlberg, Brian Giraldo, Jhonattan Ramirez, Nobuhiko Kobayashi, Cássio do Rego, Gilberto Medeiros-Ribeiro

Proceedings Volume 11800, 1180014 (2021) https://doi.org/10.1117/12.2596798

KEYWORDS: Microwave radiation, Capacitance, Finite element methods, Microscopy, Copper, Sputter deposition, 3D modeling, Water, Atomic layer deposition, Calibration, Atomic force microscopy

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Proceedings Article | 26 August 2020 Presentation

Near-field microwave microscopy and processing of nanostructured materials

Wellington Avelino, Diego C. Lopez, Douglas A. Ohlberg, Brian Giraldo, Jesus Guerrero, Jhonattan Ramirez, Nobuhiko Kobayashi, Cássio Rego, Gilberto Medeiros-Ribeiro

Proceedings Volume 11465, 114650K (2020) https://doi.org/10.1117/12.2570708

KEYWORDS: Microwave radiation, Microscopy, Near field, Nanostructuring, Microscopes, Near field scanning optical microscopy, Ceramics, Glasses, Semiconductors, Dielectrics

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Proceedings Article | 21 August 2020 Presentation + Paper

Observation of moiré superlattices on twisted bilayer graphene by scanning microwave impedance microscopy

Douglas A. Ohlberg, Andreij Gadelha, Diego Tamia, Eliel G. Neto, Daniel Miranda, Jessica Lemos, Fabiano Santana, Leonardo Campos, Jhonattan Ramírez, Cássio Gonçalves do Rego, Ado Jorio, Gilberto Medeiros-Ribeiro

Proceedings Volume 11465, 114650J (2020) https://doi.org/10.1117/12.2570651

KEYWORDS: Graphene, Microwave radiation, Microscopy, Capacitance, Superlattices, Spatial resolution, Scanning tunneling microscopy, Scanning probe microscopy, Dielectrics

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Proceedings Article | 9 September 2019 Presentation + Paper

Opportunities for transition metal oxide devices in solid state random number generators

Wellington Avelino, Bernardo Marques, Leonardo Fonseca, Douglas A. A. Ohlberg, Gilberto Medeiros-Ribeiro

Proceedings Volume 11085, 110850L (2019) https://doi.org/10.1117/12.2530563

KEYWORDS: Interfaces, Oxides, Transition metals, Solid state electronics, Amplifiers, Metals, Analog electronics, Transistors, Fluctuations and noise

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Proceedings Article | 14 March 2008 Paper

Fabrication and test of nano crossbar switches/MOSFET hybrid circuits by imprinting lithography

Zhiyong Li, Xuema Li, Douglas Ohlberg, Joseph Straznicky, Wei Wu, Zhaoning Yu, Julien Borghetti, William Tong, Duncan Stewart, R. Stanley Williams

Proceedings Volume 6921, 692108 (2008) https://doi.org/10.1117/12.774144

KEYWORDS: Field effect transistors, Hybrid circuits, Lithography, Resistance, Integrated circuits, Logic, Silicon, Switches, Nanoimprint lithography, Nanowires

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Proceedings Article | 20 May 2004 Paper

Fabrication process of molecular memory circuits by nanoimprint lithography

Gun-Young Jung, S. Ganapathiappan, Xuema Li, Dougleas Ohlberg, Deidre Olynick, Yong Chen, Wei Wu, Shih-Yuan Wang, William Tong, R. Williams

Proceedings Volume 5374, (2004) https://doi.org/10.1117/12.540898

KEYWORDS: Electrodes, Nanoimprint lithography, Polymers, Titanium, Platinum, Polymer thin films, Polymethylmethacrylate, Lithography, Scanning electron microscopy, Nanowires

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Showing 5 of 6 publications

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