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Karagiannis V.,TEI of Sterea Ellada | Ktena A.,TEI of Sterea Ellada | Manasis C.,TEI of Sterea Ellada | Ladoukakis O.,TEI of Sterea Ellada | And 3 more authors.
MATEC Web of Conferences | Year: 2016

A homemade electrodeposition device is presented, capable of depositing thin films of variable stoichiometry on cylindrical substrates offering control of electrolysis current, temperature and stirring velocity. The device design eliminates gravitational settling and uses a novel technique for fluid agitation in order to optimize deposition uniformity. The device surpasses traditional burato-style design in terms of gravitational settling of the solution and stirring homogeneity, as well as in terms of coating quality, i.e. cracking and blackened areas. © Owned by the authors, published by EDP Sciences, 2016. Source


Konstantinos I.,TEI of Eastern Macedonia and Thrace | Dimitrios E.,TEI of Eastern Macedonia and Thrace | Panagiotis L.,Aristotle University of Thessaloniki | Dimitrios M.,Aristotle University of Thessaloniki
International Journal of Applied Systemic Studies | Year: 2014

Project ManagMed is an intergovernmental activity, which is focused in NATURA 2000 areas and consists of 11 partners in five different countries. In the framework of the project ManagMed, an environmental network was designed and deployed. The main goals from the creation of the network were two: firstly, the improvement of the communication of the project's partners in issues regarding the project's aims; secondly, the promotion of the project's activities to the public. In order to achieve these goals, the network was designed to include three main components: a web portal, an internet forum and a video conference application. The portal was created mainly for the promotion and communication between the project's partners and the public. The internet forum was created for information exchange and file transfers between the partners. Finally, the video conference was deployed as a support tool for real-time communication. This paper describes the technical specifications which were set, and the solutions which were implemented in order to create the environmental network. The environmental network is installed on a Linux server running Apache, PHP and MySQL. The network is accessible to the public at the following URL http://www.managmed.gr. Copyright © 2014 Inderscience Enterprises Ltd. Source


Mitropoulos S.,;Iota of Eastern Macedonia and Thrace | Tsiantos V.,TEI of Eastern Macedonia and Thrace | Ovaliadis K.,TEI of Eastern Macedonia and Thrace | Kechrakos D.,A.S.PE.T.E. | Donahue M.,U.S. National Institute of Standards and Technology
Physica B: Condensed Matter | Year: 2016

Micromagnetic simulations are an important tool for the investigation of magnetic materials. Micromagnetic software uses various techniques to solve differential equations, partial or ordinary, involved in the dynamic simulations. Euler, Runge-Kutta, Adams, and BDF (Backward Differentiation Formulae) are some of the methods used for this purpose. In this paper, spinvalve simulations are investigated. Evidence is presented showing that these systems have stiff modes, and that implicit methods such as BDF are more effective than explicit methods in such cases. © 2015 Elsevier B.V. Source


Mitropoulos S.,TEI of Eastern Macedonia and Thrace | Tsiantos V.,TEI of Eastern Macedonia and Thrace | Ovaliadis K.,TEI of Eastern Macedonia and Thrace | Kechrakos D.,A.S.PE.T.E. | Donahue M.,U.S. National Institute of Standards and Technology
Physica B: Condensed Matter | Year: 2015

Micromagnetic simulations are an important tool for the investigation of magnetic materials. Micromagnetic software uses various techniques to solve differential equations, partial or ordinary, involved in the dynamic simulations. Euler, Runge-Kutta, Adams, and BDF (Backward Differentiation Formulae) are some of the methods used for this purpose. In this paper, spinvalve simulations are investigated. Evidence is presented showing that these systems have stiff modes, and that implicit methods such as BDF are more effective than explicit methods in such cases. © 2015. Source

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