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High-probability grants
According to our matching algorithm, Marcus Freitag is the likely recipient of the following grants.
Years |
Recipients |
Code |
Title / Keywords |
Matching score |
2011 — 2015 |
Heinz, Tony [⬀] Freitag, Marcus Perebeinos, Vasili (co-PI) [⬀] Farmer, Damon Shan, Jie (co-PI) [⬀] |
N/AActivity Code Description: No activity code was retrieved: click on the grant title for more information |
Goali: Tailoring the Electronic Structure of Few-Layer Graphene For Electronic and Optoelectronic Applications
Technical: This GOALI project aims to develop a systematic understanding of the key electronic and optical properties of few-layer graphene and to apply this knowledge to exploratory electronic and photonic devices. The project involves collaboration between academia (Columbia University and Case Western Reserve University) and industry (IBM T. J. Watson Research Center). Recent research has revealed the remarkable electronic and optical properties of single-layer graphene. Few-layer graphene retains many of the unique properties of single-layer graphene while also providing much more flexibility in electronic structure, including the availability of a tunable band gap. Through this research project, scientists investigate how doping, electric fields and crystallographic stacking alter the properties of few-layer graphene material. Measurement techniques supporting these investigations include electrical transport characterization, light absorption in the optical, infrared, and terahertz spectral ranges, and Raman spectroscopy of phonons. The studies examine both pristine few-layer graphene samples and films in electrostatically gated device structures, which allow tuning of carrier densities and applied electric fields. The knowledge gained from these investigations will inform research on distinctive electronic and optoelectronic device applications of few-layer graphene, such as field-effect transistors with high on-off ratios and tunable infrared detectors and emitters. Non-technical: This project addresses basic research issues in a topical area of materials science with potential technological relevance. The research investigates the electronic and optical properties of few-layer graphene, a material that consists of ordered carbon films of just a few atomic layers in thickness. The project uses this knowledge to examine model electronic and photonic devices based on this novel material system. Success of the research will expand our fundamental understanding of the properties of electrons in few-layer graphene and their interaction with electric fields and light. In addition, applications of few-layer graphene in electronics and photonics have the potential to impact fields ranging from information technology to environmental monitoring. Through integrated industry-academia collaboration, the program provides opportunities for the training of graduate and undergraduate students in materials and in device fabrication, characterization and modeling.
|
0.954 |
2014 — 2017 |
Farmer, Damon Freitag, Marcus Heinz, Tony [⬀] |
N/AActivity Code Description: No activity code was retrieved: click on the grant title for more information |
Collaborative Research: Goali: Graphene Thz/Ir Optics: Fundamentals and Emerging Photonics Applications
Non-technical Description: Graphene is an ultrathin material made of pure carbon atoms arranged in a honeycomb structure of single atom thickness. It has unusually high electrical conductivity and has been investigated as the basis of new electronic devices. The high speed and fast response of the electrons in graphene also render this material an attractive candidate for controlling electromagnetic radiation in the terahertz and infrared, for which the electric field oscillates on a time scale shorter than a millionth of a millionth of a second. In this project, researchers at two academic institutions and the IBM Research Division aim to gain fundamental understanding into how electrons in graphene respond to electric fields on a very short time scale and to apply this understanding to develop new devices for controlling electromagnetic radiation in the terahertz and infrared. This spectral region, while very useful for purposes such as environmental monitoring, does not currently benefit from technologies comparable to those available for electromagnetic radiation at either higher or lower frequency. The project provides graduate and undergraduate students with training in an integrated academic-industrial research setting, allowing the students to benefit from the special expertise available in both types of institution.
Technical Description: This GOALI project investigates light-matter interactions of graphene and nanostructured graphene in the terahertz and infrared region of the electromagnetic spectrum. The goal of this research is to obtain a thorough understanding of the electronic response of graphene in the region of strong free-carrier processes and Pauli blocking of the interband transitions. These investigations on the fundamentals of the graphene electromagnetic response are complemented by studies of the use of graphene for basic building blocks of different photonic devices, including light modulators. The approaches include advanced spectroscopy techniques for characterization of both the static and dynamic response of graphene in the terahertz-infrared spectral region and the development of high-quality gated graphene samples and structures. In this integrated academic-industrial team, Professor Heinz leads the Fourier-transform infrared spectroscopy measurements of graphene materials and structures and also has responsibility for studies of photonics applications; Professor Shan leads the terahertz time-domain spectroscopy measurements and has responsibility for studies of the fundamental optical response of graphene; the industrial participants at IBM Research provide materials and fabrication capabilities and expertise.
|
0.954 |