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Die Klassik-Stiftung Weimar besitzt eine umfangreiche Sammlung niederländischer und flämischer Zeichnungen vom 15. bis 19. Jahrhundert. Im Rahmen des Forschungsprojektes »Kennerschaft heute« wurde der Bestand der über 1.500 Zeichnungen erstmals wissenschaftlich erschlossen. Das Handbuch führt anhand bedeutender Werkgruppen, darunter Zeichnungen von Lucas van Leyden, Dirck Vellert, Roelant Savery und Rembrandt, den Reichtum der Weimarer Sammlung vor Augen, die zum großen Teil auf die Sammelleidenschaft von Johann Wolfgang Goethe zurückgeht. Im Zentrum des Buches steht aber die Zusammenarbeit von traditioneller Stilkritik und naturwissenschaftlicher Materialanalyse. In zwölf Fallbeispielen wird die Notwendigkeit einer methodischen Neuausrichtung der Kennerschaft darlegt. Einen Schwerpunkt der Untersuchungen bildet hierbei das große Konvolut an Zeichnungen von Rembrandt und seinen Schülern, das erstmals systematisch auf die verwendeten Zeichenmaterialien und Papiere untersucht wird.
Till now application of printed magnetoelectronics is hindered by lack of large area exchange coupled metallic multilayers required to produce printable magneto-sensory inks. Large-scale roll-to-roll (R2R) fabrication process is an attractive approach owing to its capabilities for high volume, high throughput, and large area manufacturing. Precise and high performance R2R sputtering technology is developed to fabricate large area giant magnetoresistive (GMR) thin-films stacks that contain 30 metallic bilayers prepared by continuous R2R sputtering of Co and Cu sequential on a hundred meters long polyethylene terephthalate (PET) web. The R2R sputtered Co/Cu multilayer on a 0.2 × 100 m2 PET web exhibits a GMR ratio of ≈40% achieving the largest area exchange coupled room temperature magneto-sensitive system demonstrated to date. The prepared GMR thin-film is converted to magnetosensitive ink that enables printing of magnetic sensors with high performance in a cost-efficient way, which promotes integration with printed electronics. An average GMR ratio of ≈18% is obtained for 370 printed magnetic sensors. The realized precise R2R sputtering approach can also be extended to a wide range of hybrid thin-film material systems opening up a path for new functional inks applied with printing technologies.
The aim of this paper is to present the productive interplay of connoisseurship and material analysis when dealing with drawings by Rembrandt – or previously attributed to him – in the collection of the Klassik Stiftung Weimar. This concerns the more precise determination of the drawing materials used and the reconstruction of the genesis of the drawings discussed. The material analysis allows us to decide whether and how Rembrandt’s inks can be used to determine authorship at all. The “material turn” in drawing studies thus intervenes in the discussion about authorship and opens up a broader production aesthetic perspective. No longer the “style” but rather the handeling becomes the decisive criterion for answering the question “Rembrandt, or not?”
Der fabelhafte Möglichmacher
(2022)
The Weimar research project has set the goal of placing style-critical research on Old Master drawings on a new, methodologically proven foundation. The starting point is the stock of Dutch drawings possessed by the Klassik Stiftung Weimar, whose extent (ca. 1,400 items) and character make it one of the most significant outside the Netherlands. The focus here is on drawings that were executed with red chalk. This drawing material has different functions - one of which is the use as a transmission material. The methodological approach is double: first, the scientific indexing of this stock. The foundations for this, along with classic analysis of style, are innovative material-scientific methods of investigation.