Materials Science is an extremely wide and complex field in physics and chemistry. Many academic institutes and public or private research laboratories implement research in that field. However, very few National Metrology Institutes have developed skills in that area. LNE one of these institutes has developed a research program for addressing the most important and critical needs. This paper is intended to highlight with examples the contribution of the laboratory for helping industry and

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... ty and therefore the interest to amplify the basic and applied research in thermophysical and optical properties metrology for materials. This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2 0 , which . permits unrestricted use, distributi and reproduction in any medium, provided the original work is properly cited. on, Article available at