F. Wittbracht, A. Weddemann, A. Auge, and A. Hütten
Department of Physics, Thin Films and Physics of Nanostructures, Bielefeld University, Bielefeld, Germany
In this work, we show that dipolar magnetic coupling can be used to control the particle flow through microfluidic structures without changing the state of motion of the carrier liquid. Also no external magnetic gradient fields are employed; the total external magnetic force applied is therefore zero. The theoretical idea will be tested experimentally. Here, additional effects originating from ...
University of Applied Sciences, Regensburg, Germany
This paper gives an overview of modelling microsensors on geometry and system level. The focus will be on the generation of the multiphysics reduced order system model and the coupling with package and ASIC models. The method is based on modal superposition. This means all the details of the sensor can be considered in a finite element model. The mechanical mode shapes of this model form the ...
H. T. D. Grigg, and B. J. Gallacher
Newcastle upon Tyne
Tyne and Wear, UK
This paper presents ongoing research aimed at development of a MEMS magnetometer capable of nanoTesla sensitivity. Such a device would pave the way for inertial-grade MEMS IMUs. A resonant sensor is proposed, based on a Xylophone Bar sense element, and is analysed both directly and via COMSOL. Mode shapes and frequencies are found as functions of geometric parameters, and the results used ...
M. Roshini, G .B. Priyanga, K. C. Devi
PSG College of Technology, Coimbatore, Tamil Nadu, India
The objective of this paper is to design and simulate Carbon Nano-Tube (CNT) based mass sensor that determines extremely low measures of molecules using COMSOL Multiphysics® software. The ultimate goal of this nanomechanical resonator sensor is that it allows detection at single molecular level. The change in the mass from the resonator can cause a shift in the resonant frequency. The ...
A. Atta , S. Dwivedi , Vivek , R. Mukherjee ,
 Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, India
Interfacial structures/pattern, especially with small-scale dimensions, are important to the chemistry of materials in determining the optical, electrical, mechanical, or other physical properties of novel materials. Polymers are often used for surface patterning. The diversity, the relatively low cost, the convenient mechanical properties and the compatibility with most patterning techniques ...
O. Myers , M. Anjanappa , and C. Freidhoff 
 Mississippi State University, Mississippi State, MS, USA
 University of Maryland Baltimore County, Baltimore, MD, USA
 Northrop Grumman Corporation, Electronics Systems Sector, Baltimore, MD, USA
This paper presents a methodology towards designing, analyzing and optimizing piezoelectric interdigitated microactuators using COMSOL Multiphysics. The models used in this study were based on a circularly interdigitated design that takes advantage of primarily the d33 electromechanical piezoelectric constant coefficient. Because of the symmetric nature of the devices, 2D axisymmetric models ...
N. Badi, R. Mekala
Department of Physics, Center for Advanced Materials, University of Houston, Houston, TX, USA
Department of Electrical & Computer Engineering, University of Houston, Houston, TX, USA
Thermally conducting but electrically insulating materials are needed for heat-sink LED lighting applications. We report on a cost effective and innovative method based on creating core-shell nanoparticles in polymer with aluminum (Al) nanoparticles as the high thermal conductivity core and ultrathin aluminum oxide (Al?O?) as a capping shell. The solid oxide shell around the Al core prevents ...
N. Semmar, M. Fournier, P. S. Alleaume , A. Seigneurin , , ,
GREMI-UMR7344, CNRS/University of Orléans, Orléans, France
Collegium Sciences et Techniques, Orléans, France
ST Microelectronics Tours SAS, Tours, France
Usually, in integrated circuits, the chip is brazed on leadframe and then, a polymer resin is molded around to create the packaging. On the first hand, the molding process at high temperatures will induce thermomechanical stress on the chip. As the leadframe, the chip and the braze have all different thermoelastic properties, these stress can be critical for the chip connections. To ...
J. Sparkes ,
 University of Sheffield, Sheffield, UK
Silk is one of the longest used and most recognizable textiles that we, as a society, use regularly. We see it as a luxury good, worn as an indicator of success and value. However, despite mankind having domesticated and farmed silkworms for millennia, we still know relatively little about the manufacturing process which converts the liquid silk into the fibers we are so familiar with. Increased ...
Huazhong University of Science and Technology, Wuhan, China
High magnetic field research has yielded fruitful results. Since 1913, associated with the magnetic field there are 19 Nobel Prizes, including a prize for medicine, five chemistry prizes, and 13 physics prizes. In recent years, the international community under the conditions of strong magnetic field is very active in scientific research, involving many disciplines such as physics, chemistry, ...