Nanoscale Materials Characterization

Optical Fluorescence Microscopy for Spatially Characterizing Electron Transfer across a Solid-Liquid Interface on Heterogeneous Electrodes

Choudhary E., National Institute of Standards and Technology, US

Heterogeneous catalytic materials and electrodes are used for (electro)chemical transformations, including those important for energy storage and utilization. Due to the heterogeneous nature of these materials, activity measurements with sufficient spatial resolution are needed to [...]

Nanocharacterization Studies on Surface Modified Nanoporous Gold Films for Sensor Applications

Joshi M., Swastic S., Vemula J.K., Priydarshi K., Deshpande A., Ramanan S.R., Krishnan J.N., BITS Pilani, K. K. Birla Goa Campus, IN

Nano porous gold film is fabricated by electroless plating with Potassium Gold Cyanide as plating solution. E-beam deposited Cu substrates are chosen for plating experiments. SEM studies revealed the pore size to be 100+20 nm [...]

Effect of Film Thickness of an Insulating Material on Electrical Property Characterization and Edge Effects

Patel S.V., Gerhardt R.A., Georgia Institute of Technology, US

Insulating films such as silicon dioxide (SiO₂) have a variety of microelectronic applications because of the compound's insulating and dielectric properties. When measuring the electrical properties of a metal oxide film like silicon oxide, it [...]

THz-Raman® Characterization of Graphene and Two-Dimensional Nanomaterials

Heyler R., Carriere J., Roy A., Ondax, Inc., US

Two dimensional (2D) materials have attracted a lot of attention due to their optimal optoelectronic properties which are not found in the domain of silicon based electronic materials. The identification and characterization of 2D materials, [...]

Neutron Scattering for Biological Research: Progress at the Bio-SANS Beam Line

Qian S., Pingali S.V., Weiss K., Urban V., O'Neill H.M., Langan P., Oak Ridge National Laboratory, US

Structure-function relationships remain a critical theme in understanding many important biological processes regarding energy, disease and other applications. At Oak Ridge National Laboratory, home to two of the most powerful neutron sources for research High [...]

In-situ Characterization of Nanopowders during compaction using SANS and AC impedance spectroscopy

Rudzik T.J., Gerhardt R.A., Georgia Institute of Technology, US

Sintering is one of the primary methods of fabrication of ceramic materials. Therefore, a detailed understanding of the processing-property relationships for materials undergoing sintering is of great potential value. A new testing method combining small [...]

Rapid High Resolution Multi-Parameter Characterization of Liposome-Protein Complexes by Nanoparticle Tracking Analysis

Ragheb R., Esposito E., Griffiths D., Malvern Instruments, US

Aggregation of biological and synthetic materials is a source of tremendous concern, posing problems at various stages of discovery and formulation processes. The ability to identify and characterize aggregates is of broad utility, and experiments [...]

Helping nano-entities discover their nano-identity

Castro A., Leeman M., Runyon J.R., Nilsson L., Ulmius Storm M., SOLVE Research and Consultancy AB, SE

Nanoscale materials are becoming increasingly prevalent in our lives. The strategies required to characterize the properties and performance of nanoscale materials can be as unique as the material itself. We have experienced that separation of [...]

Development and Validation of Characterization Methods for Lipidots® Multifunctional Platform: a Step forward Industrial Transfer

Varache M., Ciancone M., Caputo F., Laffont C., Escudé M., Jary D., Boisseau P., Texier I., Navarro F.P., Couffin A.C., CEA-LETI, FR

For eight years, our research group has been developing lipid nanocarriers, known as Lipidots®, as a multifunctional platform for medical applications. A wide range of active pharmaceutical ingredients (APIs) and contrast imaging agents has been [...]

Nanostructural and biochemical property changes in activation-induced CD8+ T cell apoptosis utilizing AFM and Raman spectroscopy

Lee G.J., Lee Y.J., Lee G.J., Lee Y.J., Park H.K., Kyung Hee University, KR

This study was to investigate the changes in nanostructure and biochemical properties of activated mature CD8+ T cells related to apoptosis at a molecular level. We confirmed the activation and apoptosis of CD8+ T cells [...]

Atomic-level characterization of metal/oxide interfaces (Ti, Fe, Ni, Ag, Au/Al2O3, MgO, TiO2): a background for nanomaterial design for catalysis to photonics

Khubezhov S.A., Silaev I.V., Bliev A.P., Kibizov D.D., Grigorkina G.S., Kozyrev E.N., Askerov R.O., Goncharov I.N., Sekiba D., Ogura S., Fukutani K., Magkoev T.T., North Ossetian State University, RU

Corresponding author, e-mail: t_magkoev@mail.ru (Tamerlan Magkoev) Metal/oxide systems are widely used in different application fields, such as heterogeneous catalysis, nanoelectronics, sensing techniques, optics, photonics, etc. [1]. Despite of a very extensive research in this field, [...]

Infrared laser precipitation of ZnAl2O4 nanocrystals doped with Eu3+ and Yb3+ ions and efficient upconversion emission

Bae C-H, Lim K-S, Chungbuk National University, KR

We present a novel and simple method to enable spatially selective ZnAl2O4 nanocrystal formation on the surface of glass. Zinc Aluminate, well-known as a wide band gap semiconductor, has been widely used as high temperature [...]

High-Temperature First-Order-Reversal-Curve (FORC) Study of Magnetic Nanoparticle Materials

Dodrill B., Ohodnicki P., Lake Shore Cryotronics, US

First-order-reversal-curves (FORC) are an elegant tool for characterizing the magnetic properties of materials. The technique has been extensively used to investigate the magnetic properties of natural samples because it can distinguish between different domain states [...]

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