Bradley Department of Electrical and Computer Engineering
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From pervasive computing, to smart power systems, Virginia Tech ECE faculty and students delve into all major areas of electrical and computer engineering. The main campus is in Blacksburg, and the department has additional research and teaching facilities in Arlington, Falls Church, and Hampton, Virginia.
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Departmental Publications, Bradley Department of Electrical and Computer Engineering [14]
Newsletters, annual reports, and other departmental publications -
Faculty Works, Bradley Department of Electrical and Computer Engineering [318]
Research articles, presentations, and other scholarship
Recent Submissions
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Heterogeneous integration of InAs/GaSb tunnel diode structure on silicon using 200 nm GaAsSb dislocation filtering buffer
(AIP Publishing, 2018-10-08)An InAs/GaSb tunnel diode structure was heterogeneously integrated on silicon by solid source molecular beam epitaxy using a 200 nm strained GaAs1-ySby dislocation filtering buffer. X-ray analysis demonstrated near complete ... -
Observation of Quantized and Partial Quantized Conductance in Polymer- Suspended Graphene Nanoplatelets
(SpringerOpen, 2016)Quantized conductance is observed at zero magnetic field and room temperature in metal-insulator-metal structures with graphene submicron-sized nanoplatelets embedded in a 3-hexylthiophene (P3HT) polymer layer. In devices ... -
Hybrid metamaterials for electrically triggered multifunctional control
(Springer Nature, 2016-10-27)Despite the exotic material properties that have been demonstrated to date, practical examples of versatile metamaterials remain exceedingly rare. The concept of metadevices has been proposed in the context of hybrid ... -
Lead-free epitaxial ferroelectric material integration on semiconducting (100) Nb-doped SrTiO3 for low-power non-volatile memory and efficient ultraviolet ray detection
(Springer Nature, 2015-07-23)We report lead-free ferroelectric based resistive switching non-volatile memory (NVM) devices with epitaxial (1-x)BaTiO3-xBiFeO(3) (x = 0.725) (BT-BFO) film integrated on semiconducting (100) Nb (0.7%) doped SrTiO3 (Nb: ... -
BACOM2.0 facilitates absolute normalization and quantification of somatic copy number alterations in heterogeneous tumor
(Springer Nature, 2015-09-09)Most published copy number datasets on solid tumors were obtained from specimens comprised of mixed cell populations, for which the varying tumor-stroma proportions are unknown or unreported. The inability to correct for ... -
Mathematical modelling of transcriptional heterogeneity identifies novel markers and subpopulations in complex tissues
(Springer Nature, 2016-01-07)Tissue heterogeneity is both a major confounding factor and an underexploited information source. While a handful of reports have demonstrated the potential of supervised computational methods to deconvolute tissue ... -
Adaptive Optical Scanning Holography
(Springer Nature, 2016-02-26)Optical Scanning Holography (OSH) is a powerful technique that employs a single-pixel sensor and a row-by-row scanning mechanism to capture the hologram of a wide-view, three-dimensional object. However, the time required ... -
Circadian dynamics in measures of cortical excitation and inhibition balance
(Springer Nature, 2016-09-21)Several neuropsychiatric and neurological disorders have recently been characterized as dysfunctions arising from a 'final common pathway' of imbalanced excitation to inhibition within cortical networks. How the regulation ... -
Structural and optical properties of sulfur passivated epitaxial step-graded GaAs₁₋ySby materials
(American Institute of Physics, 2018-11-15)The impact of bulk and surface defect states on the vibrational and optical properties of step-graded epitaxial GaAs₁₋ySby (0 ≤ y ≤ 1) materials with and without chemical surface treatment by (NH₄)₂S was investigated. ... -
Convex Analysis of Mixtures for Separating Non-negative Well-grounded Sources
(Springer Nature, 2016-12-06)Blind Source Separation (BSS) is a powerful tool for analyzing composite data patterns in many areas, such as computational biology. We introduce a novel BSS method, Convex Analysis of Mixtures (CAM), for separating ... -
Dislocation-pipe diffusion in nitride superlattices observed in direct atomic resolution
(Springer Nature, 2017-04-06)Device failure from diffusion short circuits in microelectronic components occurs via thermally induced migration of atoms along high-diffusivity paths: dislocations, grain boundaries, and free surfaces. Even well-annealed ... -
Whole Exome Sequencing to Identify Genetic Variants Associated with Raised Atherosclerotic Lesions in Young Persons
(Springer Nature, 2017-06-22)We investigated the influence of genetic variants on atherosclerosis using whole exome sequencing in cases and controls from the autopsy study "Pathobiological Determinants of Atherosclerosis in Youth (PDAY)". We identified ... -
Optical cryptography with biometrics for multi-depth objects
(Springer Nature, 2017-10-11)We propose an optical cryptosystem for encrypting images of multi-depth objects based on the combination of optical heterodyne technique and fingerprint keys. Optical heterodyning requires two optical beams to be mixed. ... -
Reconstruction of Gene Regulatory Modules in Cancer Cell Cycle by Multi-Source Data Integration
(PLOS, 2010-04-21)Background Precise regulation of the cell cycle is crucial to the growth and development of all organisms. Understanding the regulatory mechanism of the cell cycle is crucial to unraveling many complicated diseases, ... -
Chemotaxis in Densely Populated Tissue Determines Germinal Center Anatomy and Cell Motility: A New Paradigm for the Development of Complex Tissues
(PLOS, 2011-12-01)Germinal centers (GCs) are complex dynamic structures that form within lymph nodes as an essential process in the humoral immune response. They represent a paradigm for studying the regulation of cell movement in the ... -
Long-Term Decision on Wind Investment with Considering Different Load Ranges of Power Plant for Sustainable Electricity Energy Market
(MDPI, 2018-10-22)The aim of this paper is to provide a bi-level model for the expansion planning on wind investment while considering different load ranges of power plants in power systems at a multi-stage horizon. Different technologies ... -
Classifier for Activities with Variations
(MDPI, 2018-10-18)Most activity classifiers focus on recognizing application-specific activities that are mostly performed in a scripted manner, where there is very little room for variation within the activity. These classifiers are mainly ... -
Identification of PBX1 Target Genes in Cancer Cells by Global Mapping of PBX1 Binding Sites
(PLOS, 2012-05-02)PBX1 is a TALE homeodomain transcription factor involved in organogenesis and tumorigenesis. Although it has been shown that ovarian, breast, and melanoma cancer cells depend on PBX1 for cell growth and survival, the ... -
Towards Omni-Tomography-Grand Fusion of Multiple Modalities for Simultaneous Interior Tomography
(PLOS, 2012-06-29)We recently elevated interior tomography from its origin in computed tomography (CT) to a general tomographic principle, and proved its validity for other tomographic modalities including SPECT, MRI, and others. Here we ... -
TAGCNA: A Method to Identify Significant Consensus Events of Copy Number Alterations in Cancer
(PLOS, 2012-07-18)Somatic copy number alteration (CNA) is a common phenomenon in cancer genome. Distinguishing significant consensus events (SCEs) from random background CNAs in a set of subjects has been proven to be a valuable tool to ...
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