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Ozturk, Birol; de-Luna-Bugallo, Andres; Panaitescu, Eugen; Chiaramonti, Ann N; Liu, Fangze; Vargas, Anthony; Jiang, Xueping; Kharche, Neerav; Yavuzcetin, Ozgur; Alnaji, Majed; others,
Atomically thin layers of B--N--C--O with tunable composition Journal Article
In: Science advances, vol. 1, no. 6, pp. e1500094, 2015.
Tags: Metamaterials and Nanophotonics, Nanomaterials
@article{ozturk2015atomically,
title = {Atomically thin layers of B--N--C--O with tunable composition},
author = {Birol Ozturk and Andres de-Luna-Bugallo and Eugen Panaitescu and Ann N Chiaramonti and Fangze Liu and Anthony Vargas and Xueping Jiang and Neerav Kharche and Ozgur Yavuzcetin and Majed Alnaji and others},
year = {2015},
date = {2015-01-01},
urldate = {2015-01-01},
journal = {Science advances},
volume = {1},
number = {6},
pages = {e1500094},
publisher = {American Association for the Advancement of Science},
keywords = {Metamaterials and Nanophotonics, Nanomaterials},
pubstate = {published},
tppubtype = {article}
}
Gultepe, E; Nagesha, D; McNulty, J; Sridhar, S
Nano-assembly and Controlled Release Kinetics of Nanoelements from Nanoporous Templates Proceedings Article
In: APS Meeting Abstracts, 2008.
Abstract | Tags: Nanomaterials
@inproceedings{gultepe2008nano,
title = {Nano-assembly and Controlled Release Kinetics of Nanoelements from Nanoporous Templates},
author = {E Gultepe and D Nagesha and J McNulty and S Sridhar},
year = {2008},
date = {2008-01-01},
booktitle = {APS Meeting Abstracts},
abstract = {Nanotemplates and nanoparticles have potential for use in the area of nanomanufacturing and biomedical applications. We are using highly ordered nanoporous alumina as a template for drug delivery and to assemble nanoelements such as latex beads and single wall carbon nanotubes (SWNT) by the means of electrophoresis and/or dielectrophoresis. The results of 100% assembly of latex beads and controlled elution of drugs from nanoporous templates will be discussed. Vertically assembled SWNT and with the IV characteristic as 3D interconnects, will also be presented. We have developed a variety of platforms incorporating superparamagnetic iron oxide nanoparticles for targeted delivery, magnetic hyperthermia and as a contrast agent for magnetic resonance imaging. The results of cell studies on these platforms will be discussed.},
keywords = {Nanomaterials},
pubstate = {published},
tppubtype = {inproceedings}
}
Nanotemplates and nanoparticles have potential for use in the area of nanomanufacturing and biomedical applications. We are using highly ordered nanoporous alumina as a template for drug delivery and to assemble nanoelements such as latex beads and single wall carbon nanotubes (SWNT) by the means of electrophoresis and/or dielectrophoresis. The results of 100% assembly of latex beads and controlled elution of drugs from nanoporous templates will be discussed. Vertically assembled SWNT and with the IV characteristic as 3D interconnects, will also be presented. We have developed a variety of platforms incorporating superparamagnetic iron oxide nanoparticles for targeted delivery, magnetic hyperthermia and as a contrast agent for magnetic resonance imaging. The results of cell studies on these platforms will be discussed.
Gultepe, Evin; Nagesha, Dattatri; Menon, Latika; Busnaina, Ahmed; Sridhar, Srinivas
High-throughput assembly of nanoelements in nanoporous alumina templates Journal Article
In: Applied Physics Letters, vol. 90, no. 16, pp. 163119, 2007.
Abstract | Tags: Nanomaterials
@article{gultepe2007high,
title = {High-throughput assembly of nanoelements in nanoporous alumina templates},
author = {Evin Gultepe and Dattatri Nagesha and Latika Menon and Ahmed Busnaina and Srinivas Sridhar},
year = {2007},
date = {2007-01-01},
journal = {Applied Physics Letters},
volume = {90},
number = {16},
pages = {163119},
publisher = {American Institute of Physics},
abstract = {We demonstrate a nanofabrication method utilizing nanoporous alumina templates which involves directed three dimensional assembly of nanoparticles inside the pores by means of an electrophoretic technique. In their demonstration, they have assembled polystyrene nanobeads with diameter of 50 nm inside nanopore arrays of height of 250 nm and diameter of 80 nm. Such a technique is particularly useful for large-scale, rapid assembly of nanoelements for potential device applications.
},
keywords = {Nanomaterials},
pubstate = {published},
tppubtype = {article}
}
We demonstrate a nanofabrication method utilizing nanoporous alumina templates which involves directed three dimensional assembly of nanoparticles inside the pores by means of an electrophoretic technique. In their demonstration, they have assembled polystyrene nanobeads with diameter of 50 nm inside nanopore arrays of height of 250 nm and diameter of 80 nm. Such a technique is particularly useful for large-scale, rapid assembly of nanoelements for potential device applications.
Wu, Zhen; Tian, L; Richter, C; Nagesha, D; Sridhar, S; Menon, L
Nanofabrication Based on Nanoporous Membranes Proceedings Article
In: APS Meeting Abstracts, 2006.
Abstract | Tags: Nanomaterials
@inproceedings{wu2006nanofabrication,
title = {Nanofabrication Based on Nanoporous Membranes},
author = {Zhen Wu and L Tian and C Richter and D Nagesha and S Sridhar and L Menon},
year = {2006},
date = {2006-01-01},
booktitle = {APS Meeting Abstracts},
abstract = {We describe nanofabrication methods to produce nanopore array templates in aluminum oxide and titanium dixode films. The method is based on anodization of thin films of aluminum and titanium under dc conditions in an acid. We also describe non-lithographic means of transferring the pore pattern from such nanoporous membranes onto a generic substrate. This is based on reactive ion etching through the nanoporous template grown directly on the substrate. In our demonstration, a thin alumina template consisting of a hexagonal array of pores ̃50nm in diameter is first deposited on the substrate. The pores reach within 10-20 nm of aluminum, which is protected by an alumina barrier layer. By controlling reactive ion etching conditions, we demonstrate highly anisotropic etching through the aluminum layer, barrier alumina layer and into the substrate. The 50nm pore layer is thus directly transferred to create nanoporous and nanopillar arrays of a variety of materials such as Al, Si, GaN, GaAs, etc. Such nanoporous, nanopillar arrays will be useful in a variety of applications involving biosensors, optoelectronic and spintronic devices.},
keywords = {Nanomaterials},
pubstate = {published},
tppubtype = {inproceedings}
}
We describe nanofabrication methods to produce nanopore array templates in aluminum oxide and titanium dixode films. The method is based on anodization of thin films of aluminum and titanium under dc conditions in an acid. We also describe non-lithographic means of transferring the pore pattern from such nanoporous membranes onto a generic substrate. This is based on reactive ion etching through the nanoporous template grown directly on the substrate. In our demonstration, a thin alumina template consisting of a hexagonal array of pores ̃50nm in diameter is first deposited on the substrate. The pores reach within 10-20 nm of aluminum, which is protected by an alumina barrier layer. By controlling reactive ion etching conditions, we demonstrate highly anisotropic etching through the aluminum layer, barrier alumina layer and into the substrate. The 50nm pore layer is thus directly transferred to create nanoporous and nanopillar arrays of a variety of materials such as Al, Si, GaN, GaAs, etc. Such nanoporous, nanopillar arrays will be useful in a variety of applications involving biosensors, optoelectronic and spintronic devices.
Coral-Gomez, C; Sridhar, S; Friedman, A; Menon, L
Negative Refraction in Gold-Dielectric Nanocomposite Arrays Journal Article
In: 0000.
Abstract | Tags: Nanomaterials
@article{coralnegative,
title = {Negative Refraction in Gold-Dielectric Nanocomposite Arrays},
author = {C Coral-Gomez and S Sridhar and A Friedman and L Menon},
abstract = {It is well known from electrodynamics that the refractive index n of materials is given by the relationship:, where ε> 0 and µ> 0 are the dielectric constant and magnetic permeability of the material where the electro-magnetic waves propagate. In 1968, Russian Physicist Victor Veselago discovered that if the refractive index of materials was negative then a lot of “exotic” physical phenomena might be observed. For instance, of particular interest was the idea of the “flat superlens” that transforms a 3D point object into a 3D image without distortion. Such a superlens could be implemented by means of a flat lens with negative refraction index [1].
At the time that Veselago’s article was published, no material with negative refraction index was known. It was not until 2000, when John Pendry of Imperial College in London suggested that a material with negative refraction index can be created, and that resolutions of the order of …},
keywords = {Nanomaterials},
pubstate = {published},
tppubtype = {article}
}
It is well known from electrodynamics that the refractive index n of materials is given by the relationship:, where ε> 0 and µ> 0 are the dielectric constant and magnetic permeability of the material where the electro-magnetic waves propagate. In 1968, Russian Physicist Victor Veselago discovered that if the refractive index of materials was negative then a lot of “exotic” physical phenomena might be observed. For instance, of particular interest was the idea of the “flat superlens” that transforms a 3D point object into a 3D image without distortion. Such a superlens could be implemented by means of a flat lens with negative refraction index [1].
At the time that Veselago’s article was published, no material with negative refraction index was known. It was not until 2000, when John Pendry of Imperial College in London suggested that a material with negative refraction index can be created, and that resolutions of the order of …
At the time that Veselago’s article was published, no material with negative refraction index was known. It was not until 2000, when John Pendry of Imperial College in London suggested that a material with negative refraction index can be created, and that resolutions of the order of …
