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National Center for Materials Study and Testing

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Our paper highlighted on Cover of Physica Status Solidi - Rapid Research Letters

Published on Saturday, 05 June 2010 06:00 | Print

Our paper highlighted on Cover of Physica Status Solidi - Rapid Research Letters

pss rrl cover enachi lowIn the Rapid Research Letter on p. 100, Mihai Enachi et al. demonstrate that anodization of Ti sheets in ethylene glycol and HF containing electrolyte leads to the formation of ordered arrays of double-walled TiO2 nanotubes. Interestingly, the inner diameter can be tuned in the range from 10 nm to 250 nm through the change of the electrolyte temperature while the outer nanotube diameter and the density of nanotubes remain temperature independent. The authors present evidence for the formation of a self-organized surface nucleation layer that is genetically connected to the outer nanotube shell at the origin of this phenomenon. These findings pave the way for manufacturing ordered arrays of TiO2 nanotubes with modulated inner diameter by a simple change of the electrolyte temperature.

http://www3.interscience.wiley.com/journal/112716025/home
http://www3.interscience.wiley.com/journal/112716025/home/cover/current.html

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A new book on nanotechnologies and nanomaterials

Published on Saturday, 19 November 2011 02:00 | Print

new book 2

A new book on nanotechnologies and nanomaterials was recently published by Woodhead Publishing in UK, with two co-editors Prof. Ion Tiginyanu from Moldova and Prof. Abdel Makhlouf from Germany. Details related to the presentation of the monograph can be found at http://asm.md

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Jurnal TV - Nanotechnologies in Moldova

Published on Sunday, 04 March 2012 10:00 | Print

On February 27th the Jurnal TV Company has broadcast an interview with Prof. Ion Tiginyanu, vice-president of the Academy of Sciences of Moldova, coordinator of the MOLD-ERA FP7 project, and of the State Programme on Nanotechnologies and Nanomaterials.

http://www.jurnaltv.md/ro/news/nanotehnologii-in-moldova-340206

Our paper highlighted by NanoTechWeb.org: Nanoroof reveals dislocations

Published on Monday, 31 January 2011 08:00 | Print

Researchers in Moldova have fabricated nanometre-thin membranes of gallium nitride for the first time and investigated their nanostructure using electron microscopy. GaN is a large-bandgap semiconductor widely used in electronics applications such as high-temperature, high-power electronics and optoelectronics for light-emitting diodes and lasers. GaN is also biocompatible, piezoelectric and resistant to ionizing radiation, while the nanostructured material could be good for making spintronics devices.

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Temperature orders TiO2 nanotubes

Published on Sunday, 18 April 2010 09:11 | Print

Moldova în top. O elaborare nanotehnologică a fizicienilor moldoveni, apreciată la nivel mondial.

Temperature orders TiO2 nanotubes

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Focus on negative index materials

Published on Tuesday, 21 April 2009 09:02 | Print
Our results on cover of international journal "Physica Status Solidi - Rapid Research Letters"

pps2_lowIn the Rapid Research Letter on p. 242 ff., titania nanotubes are proposed as building blocks of focusing elements. The design of photonic crystal (PC) - in particular concave - lenses on the basis of metallized nanotubes is found to result in excellent focusing of visible electromagnetic radiation. The lenses prove to be tolerant to disorder in the spatial arrangement of the nanotubes. Moreover, some disorder is even shown to improve the focusing properties.

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Un set performant de laser - unei echipe tinere de entuziasti

Published on Monday, 20 April 2009 09:40 | Print

de_ambasador_01smallLa 12 iunie curent, comunitatea stiintifica a marcat cea de-a 62-a aniversare de la fondarea primelor institutii de tip academic. De aceasta data Consiliul Suprem pentru Stiinta si Dezvoltare Tehnologica al A.S.M. a programat citeva actiunii pentru aceasta zi. De dimineata mass-media a fost prezenta la Centrul national de studiu si testare a materialelor din cadrul Universitatii Tehnice a Moldovei, caruia ambasadorul extraordinar si plenipotentiar al Republicii Federale Germania in Republica Moldova, Excelenta sa dl Nikolaus von der Wenge, Graful Lambsdorff, i-a transmis un set de utilaj din partea Fundatiei "Alexander von Humboldt" din Germania. E vorba de un sistem performant de laser, in valoare de 20 mii de euro, odata cu punerea in functiune a caruia va spori, indiscutabil,  nivelul tehnologic si de caracterizare a materialelor electronice si fotonice in acest centru cu impact pozitiv asupra dezvoltarii stiintei si a pregatirii cadrelor tinere. Deci,  sarbatoarea nu a trecut fara de un cadou pretios.

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