Index Catalog // ScholarsArchive@OSU

Fabrication and geometrical characterization of metal and metal-dielectric composite periodic nanostructures

Creator:: Bhowmik, Siddhartha
Abstract:: Periodic metal and metal-dielectric composite nanostructures have been of interest from the field of plasmonics and metamaterial fabrication. In order to exploit the behavior of these unique materials in the visible region of the optical spectrum, these structures need to be significantly shorter than the wavelength of response, and hence...
Resource Type:: Dissertation
Full Text:: Composite Periodic Nanostructures. Abstract approved: Sundar V. Atre Periodic metal and metal-dielectric

BaCuChF (Ch = S, Se, Te) p-type transparent conductors

Creator:: Zakutayev, Andriy
Abstract:: BaCuChF (Ch = S, Se, Te) materials are chalcogen-based transparent conductors with wide optical band gaps (2.9 – 3.5 eV) and a high concentration of free holes (10¹⁸ – 10²⁰ cm⁻³) caused by the presence of copper vacancies. Chalcogen vacancies compensate copper vacancies in these materials, setting the Fermi level...
Resource Type:: Dissertation
Full Text:: . Frantz, J. S. Sanghera, V. Q. Nguyen, S. S. Bayya, S. B. Qadri, and I. D. Aggarwal, Mater. Lett. 62

Influence of processing parameters on diffusion of divalent nickel in wet silica sol-gel monoliths

Creator:: Dickson, David J.
Abstract:: The diffusion of divalent nickel (Ni²⁺) from wet silica gels was investigated. Silica gel is gaining interest as an encapsulation matrix for biological components. The transport of biologically relevant species within the gel is determined by the structural characteristics of the gel, which are in turn governed by synthesis parameters....
Resource Type:: Masters Thesis
Full Text:: B C D E F G H I J K L M N O P Q R S T U V W X Y Z [ \ ] ^ _ ` a b c d e f g h i j k l m n o p q r

Computational nanooptics in hyperbolic metamaterials and plasmonic structures

Creator:: Thongrattanasiri, Sukosin
Abstract:: This dissertation concerns several problems in the fields of light interaction with nanostructured media, metamaterials, and plasmonics. We present a technique capable of extending operational bandwidth of hyperbolic metamaterials based on interleaved highly-doped InGaAs and undoped AlInAs multilayer stacks. The experimental results confirm theoretical predictions, exhibiting broadband negative refraction response...
Resource Type:: Dissertation

Label free biosensing with carbon nanotube transistors

Creator:: Leyden, Matthew R.
Abstract:: As electronics reach nanometer size scales, new avenues of integrating biology and electronics become available. For example, nanoscale field-effect transistors have been integrated with single neurons to detect neural activity. Researchers have also used nanoscale materials to build electronic ears and noses. Another exciting development is the use of nanoscale...
Resource Type:: Dissertation
Full Text:: differential capacitance Cd is defined as d/dwhich is analogous to the familiar Q/V. The differential

Terahertz imaging and spectroscopy of carbon-based and semiconductor nanostructures

Creator:: Tomaino, Joseph L.
Abstract:: This thesis will cover work that I have completed relating to the field of terahertz (THz) science. My work has consisted of generating tunable, narrowband THz pulses in a table-top optical setup and using both narrow- and broadband THz pulses to study various material systems. Broadband THz pulses were used...
Resource Type:: Dissertation
Full Text:: Operational principles of the Coherent Verdi V-10 Diode Pumped Laser……………. 4 1.3 Pulse Amplification

Evaluation of amorphous oxide semiconductors for thin film transistors (TFTs) and resistive random access memory (RRAM) applications

Creator:: Rajachidambaram, Jaana Saranya
Abstract:: Thin-film transistors (TFTs) are primarily used as a switching element in liquid crystal displays. Currently, amorphous silicon is the dominant TFT technology for displays, but higher performance TFTs will become necessary to enable ultra-definition resolution high-frequency large-area displays. Amorphous zinc tin oxide (ZTO) TFTs were fabricated by RF magnetron sputter...
Resource Type:: Masters Thesis
Full Text:: mobilities as high as 17 cm2 V-1 s-1 could be obtained for depletion mode devices. It was determined that

Investigation of bipolar resistive switching in zinc-tin-oxide for resistive random access memory

Creator:: Murali, Santosh
Abstract:: Resistive random access memory (RRAM) is a non-volatile memory technology based on resistive switching in a dielectric or semiconductor sandwiched between two different metals. Also known as memristors, these devices are potential candidates for a next-generation replacement for flash memory. In this thesis, bipolar resistive switching is reported for the...
Resource Type:: Masters Thesis
Full Text:: ..................................................................................... 22 2.11.1 I-V Characteristics: Oxide Conduction

Generating and using terahertz radiation to explore carrier dynamics of semiconductor and metal nanostructures

Creator:: Jameson, Andrew D.
Abstract:: In this thesis, I present studies in the field of terahertz (THz) spectroscopy. These studies are divided into three areas: Development of a narrowband THz source, the study of carrier transport in metal thin films, and the exploration of coherent dynamics of quasi-particles in semiconductor nanostructures with both broadband and...
Resource Type:: Dissertation

Terahertz transmission & spectroscopy of vertically grown multi-walled carbon nanotube forests

Creator:: Maizy, Louis
Abstract:: In this thesis, I present studies in the field of terahertz [THz] spectroscopy. It covers both the generation and detection of ultra-fast broadband THz pulses, as well as the transmission properties of vertically grown multi-walled carbon nanotube forests [MWCNTs]. We have found that these vertically grown MWCNTs respond strongly to...
Resource Type:: Masters Thesis
Full Text:: - strate. 2.2. Fresnel Equations In the case of an anisotropic film (in this case, the V-MWCNTs) on an

ScholarsArchive@OSU

Fabrication and geometrical characterization of metal and metal-dielectric composite periodic nanostructures

BaCuChF (Ch = S, Se, Te) p-type transparent conductors

Influence of processing parameters on diffusion of divalent nickel in wet silica sol-gel monoliths

Computational nanooptics in hyperbolic metamaterials and plasmonic structures

Label free biosensing with carbon nanotube transistors

Terahertz imaging and spectroscopy of carbon-based and semiconductor nanostructures

Evaluation of amorphous oxide semiconductors for thin film transistors (TFTs) and resistive random access memory (RRAM) applications

Investigation of bipolar resistive switching in zinc-tin-oxide for resistive random access memory

Generating and using terahertz radiation to explore carrier dynamics of semiconductor and metal nanostructures

Terahertz transmission & spectroscopy of vertically grown multi-walled carbon nanotube forests

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