, Chung S.
, DeYoreo J.J.
, Eaton B.E.
, Elhadj S.
, Feldheim D.L.
, Francis M.B.
, Hah S.S.
, Hok S.
, Presley A.D.
, Lawrence Berkeley National Laboratory, US
Developing generic platforms to organize discrete molecular elements and nanostructures into deterministic patterns at surfaces is one of the central challenges in the field of nanotechnology. Here we review three applications of the atomic force [...]
We have used Dip-Pen Nanolithography (DPN) to create biosensor arrays on micro- and nano-structured surfaces. Bespoke linker and labelling materials enables detection of biological molecules by surface enhanced resonance Raman scattering (SERRS). Careful DPN-directed placement [...]
Dip Pen Nanolithography (DPN) is uniquely well suited for the integration of multiple materials (or inks) with both high resolution and high throughput. Phospholipid-based inks are particularly well suited for this purpose for several reasons. [...]
We present methods and applications of the commercially available 2D nano PrintArray(TM), which provides massive scalability for dip pen nanolithography. We will discuss current applications and future development.
Carbon nanotubes (CNT) were synthesized on specially custom designed MEMS chips under ambient conditions without requiring conventional Chemical vapor deposition(CVD) apparatus or process gases. In this approach, a layer of fullerene (C60) of 200 nm [...]
Highlights the history and development of Thiols and SAMs
We will show a technology utilizing all parallel processes to produce free-standing polymer membranes with perforated pores down to ~ 100 nm diameter and use of the membrane structure to study adsorption of a lipid, [...]
A fundamental limitation of organic photovoltaic (OPV) cells is due to the trade-off between light absorption and exciton diffusion. We show that light absorption in an OPV cell can be enhanced by replacing a conventional [...]
Finely structured titanium dioxide is a technological material of long-standing importance for many applications including pigments and catalysis. There is growing interest in smaller, truly nano-sized titanium dioxide particles with well-defined crystallinity and a range [...]
We report the fabrication of regular repeat structures of Au and Pd square islands embedded in polymethyl methacrylate (PMMA) and polycarbonate (PC). Using focussed ion beam (FIB), square islands were machined over a 5 micron [...]
Arrays of magnetic antidots (holes) have attracted extensive attention these days due to their potential application for high density data storage. In this investigation we fabricated antidots by means of electron-beam lithography and lift-off techniques [...]
The development of scalable methods, which effectively bind nanoparticles to surfaces and provide precise patterns, is a key step towards the commercial exploitation of the distinctive properties of nanoparticles. In this context, the direct deposition [...]
Directed, biologically-driven self-assembly has the potential to yield hybrid multicomponent architectures with applications ranging from nanoelectronic devices to smart drug delivery systems and responsive materials. To enable these applications, it is critical to gain control [...]
Herein we described the synthesis of novel kind of silica materials prepared at room temperature in the presence of cationic surfactant, more specifically a quaternary amine (tallow tetraamine) to obtain silica-based materials with attractive properties, [...]
A new imprint technology for sub-50nm patterning will be introduced, bridging the gap between small rigid stamp application for best resolution and large area soft stamp usage with usual limited printing resolution below 200nm - [...]
A homogeneous residual layer thickness in nanoimprint lithography (NIL) is a serious problem in step and flash (UV-)NIL. Improvement of thickness homogeneity could be expected from optimized size of droplets at resist dispensing in case [...]
A novel technique has been developed to assemble molecules with functional end groups inside pores of a nanoporous silicon membrane. A 20-um thick p-doped silicon membrane was anodized in HF electrolyte to produce 5-7 nm [...]
Self-assembly of nanoarchitectures has attracted high interest driven by the demands of technology and engineering. Chemical and electric field assisted assembly offer a great opportunity in creation of heterostructures in multicomponent systems and in manufacturing [...]
Incorporation of DNA into nano-object design provides a unique opportunity to establish highly selective and reversible interactions between the components of nanosystems. Assembly approaches based on the nano-object’s addressability promise powerful routes for creation of [...]
We present a low-cost and high-throughput process for realization of two-dimensional arrays of deep sub-wavelength features using a self-assembled monolayer of HCP silica and polystyrene microspheres and well-developed photoresist lithography. This method utilizes the microspheres [...]
Combining top-down electron beam lithography and bottom-up colloidal chemical assembly can potentially lead to large scale patterning of nanocrystals on arbitary substates. Our approach consists of fabrication of templates from hydrogen silsesquioxane (HSQ) on treated [...]
Herein, we present a novel fabrication method for the integration of special nanoparticles such as nanowires and carbon nanotubes into NEMS/MEMS. To this end, we combined the dielectrophoretic deposition of carbon nanotubes with a fountain-pen [...]
Since Carbon Nanotubes (CNT) were discovered in the early 90’s a whole new research field has evolved. CNTs have many properties that make them desirable for the construction of nano-scale Electronics. One area that is [...]
This paper presents a template-assisted nanosphere lithography(NSL) to obtain high-quality crystal in regularity and coverage(Figure 1). A periodic array of 100-nm deep, 360-450 nm wide nano-trenches was fabricated by nano imprint lithography(NIL), and used as [...]
We report an efficient method for fabricating nanoporous structures in crystalline silicon, using colloidal gold nanoparticles in HF/H2O2 etchant. Colloidal gold in HF/H2O2 solutions accelerates the etching rate by two orders of magnitude and simultaneously [...]
, Arshak K.
, Bain D.
, Collins D.
, Gilmartin S.F.
, Korostynska O.
, Lane W.A.
, McCarthy B.
, Newcomb S.B.
, Analog Devices, IE
In this paper, we report the fabrication of novel nanoscale bolometer sensor devices using conventional titanium and titanium-nitride metal films, with total bolometer film thicknesses ranging from 60-150nm. The bolometer devices we present are integrated [...]
Pure silica zeolite films were prepared for ultra-low-k interlayer dielectrics in ultra-large integrated circuits by both hydrothermal crystallization using tertabuthylammonium hydroxide, tetraethylorthosilicate and ethylalcohol, and vapor phase transport synthesis using ethylene diamine and triethylamine. Self-assembled [...]
Top-down approach for vertically aligned CNWs has not reported yet although it is necessary for immediate integration of CNWs with micro and nano systems. In this paper, vertically aligned pyrolyzed carbon nanowires (CNWs) is fabricated [...]
We model an InGaAs/GaAs quantum dot having dependence of the Ga fraction along vertical axis. The effect of material mixing on the electron energy spectra is considered. This theoretical model is based on a single [...]
In this proceeding submicron and micron sized graphitic particles were compared with MWNTs as precursors for producing several grams of SiC nanofibers in a 3’’ diameter hot-walled chemical vapor deposition reactor. Nickel nitrate and the [...]
As the class of new synthesized compounds endofullerenes attract a close attention of theorists and practicians and especially after appearance of possibility to produce them in macroscopic amounts. This has allowed the investigation of their [...]
We present the latest developments in nanocoatings deposition technology, realized using Molecular Vapor Deposition (MVD®) method. Multi-layer nanolaminates of metal oxides (alumina, titania, silicon oxide, …etc.) and self-assembled monolayers (SAMs) sequentially deposited using an automated [...]
Silicon nano-wires 42 nm in diameter and up to 70 micrometer long have been obtained by utilizing a common for an average nano-fabrication facility plasma equipment set that did not require special modifications.
Quantum theory has found a new field of application in the information and computation fields during recent years. We developed a Quantum Gate Simulator based on the Digital Signal Processor (DSP) DSP TI6711 using the [...]
Semiconductor nanowires demonstrate their potential in the fabrication of electronic and optic nanodivices. As one of the most important II-VI group semiconductors, CdS nanowires have been synthesized by metal catalyzed vapor-liquid-solid (VLS) and vapor-solid (VS) [...]
, Bopp M.
, Coronel P.
, Dainesi P.
, Ionescu A.M.
, Jouannic K.
, Judong F.
, Pico F.
, Pribat C.
, Ristoiu D.
, Samson M.P.
, Skotnicki T.
, Talbot A.
, Ecole Polytechnique Fédérale de Lausanne, CH
Annealing silicon at high temperatures in hydrogen ambiance has been reported to induce surface diffusion of silicon; in these conditions, adapted 2D arrays of trenches etched in Bulk Si are transformed into buried cavities creating [...]
Herein we described a simple new strategy based on the synthesis of zeolites in the presence of inorganic nanoparticles used as hard templates. These nanoparticles can be conveniently removed by simple, inexpensive chemical treatment (usually [...]
Novel fabrication method of porous chromium (Cr) film for an infrared (IR) absorber is proposed, and total absorption factor above 93% at about 10 micron m of the IR wavelength, which is corresponding to the [...]
In this paper ,a mild alcohol-thermal synthesis of nano-BaTiO3 from H2TiO3 and Ba(OH)2 at an Atmospheric Press was systematically studied and the optimized preparation conditions were obtained. When the reaction was carried out at a [...]
In paper we describe a technique to purify and segregate carbon nano tubes (CNTs) from the iron impurities to use the CNTs for thin films. After extensive research into a proper and repeatable cleaning process [...]
Precision nanoscale deposition of biological, organic, and inorganic materials is a fundamental need in nanoscience research. Dip Pen Nanolithography® (DPN®) is an inherently additive, SPM-based technique, capable of producing nanoscale features with high resolution and [...]
Carbon Nanotubes (CNT) were synthesized at room temperature conditions on a heated scanning probe without the use of conventional Chemical Vapor Deposition (CVD) apparatus or the process gases. The heated scanning probe is composed of [...]
Journal: TechConnect Briefs
Volume: 1, Nanotechnology 2008: Materials, Fabrication, Particles, and Characterization – Technical Proceedings of the 2008 NSTI Nanotechnology Conference and Trade Show, Volume 1
Published: June 1, 2008
Industry sector: Advanced Materials & Manufacturing
Topicss: Advanced Manufacturing, Nanoelectronics