ICDD Scholarship Newsletter - April 2017

Nadine Schrodt
(née Rademacher)
Ludo Frevel Crystallography Scholarship
2013 Scholarship Program Recipient

High pressure pair distribution function measurements in diamond anvil cells for the analysis of the local structure of compounds consisting of small molecules and their reaction products under extreme conditions.

It was a great honor to be awarded the Ludo Frevel Scholarship in 2013, and I am grateful to the ICDD for supporting me. I received the award when I was halfway through my PhD in Crystallography. Powder X-ray diffraction and pair distribution function analyses have already been of importance to me before I even started my PhD. The award of the scholarship was a huge motivation, and a sign that the study of materials, especially of non-crystalline materials, under extreme conditions seemed to be of interest to the community. The apparent great impact of this research encouraged me to submit a research proposal to the German Research Foundation, where I applied for my own position at the Goethe University to continue my research in this interesting field as a PostDoc. The award was particularly helpful as it provided me with the freedom to attend more conferences and to be more creative in the laboratory, i. e. to be able to try more things with a larger variety of chemicals. My reactants were mostly quite expensive gas mixtures, and with the additional funding, I did not have to worry about costs for these consumables. The scholarship also helped offset the costs for expensive textbooks and fees demanded for graduation, printing costs, etc. The self-confidence that I built up after receiving the Ludo Frevel Crystallography Scholarship also led to even more honors, such as the Robert L. Snyder Student Travel Grant Award (Denver X-ray Conference) and the highly respected award from the Adolf Messer foundation.

My PhD studies at the Institute of Geoscience of the Goethe University, under supervision of Prof. Björn Winkler, focused on the optimization of high pressure pair distribution function measurements in diamond anvil cells at the Extreme Conditions Beamline at PETRA III, DESY. Furthermore, I tried to understand the atomic structure of non-crystalline reaction products of small molecules such as CO or SF6 under extreme pressures and temperatures by applying the pair distribution function and spectroscopic techniques. I received my doctoral degree in June 2014, and shortly after that the German Research Foundation awarded me funding for my own position for three years at the Goethe University. During my ongoing post-doctoral studies, I plan to extend the knowledge on chemical reactions at extreme conditions. The compounds that I chose consist of small organic molecules, and I am particularly interested on the influence of different carbon-to-nitrogen ratios on reaction products in order to find new materials and to understand their formation.

2015 – Award of the Adolf Messer Foundation, from the association of friends and supporters of the Goethe University
2013 – Robert L. Snyder Student Travel Grant Award, Denver X-ray Conference

J. Ruiz-Fuertes, O. Gomis, S. F. León-Luis, N. Schrodt, F. J. Manjón, S. Ray, D. Santamaría-Pérez, J. A. Sans, H. M. Ortiz, D. Errandonea, C. Ferrer-Roca, A. Segura, D. Martínez-García, V. Lavín, U. R. Rodríguez-Mendoza, A. Muñoz. "Pressure-induced amorphization of YVO4:Eu3+ nanoboxes". Nanotechnology 2016, 27, 025701, doi: 10.1088/0957-4484/27/2/025701.

N. Rademacher, L. Bayarjargal, W. Morgenroth, J. D. Bauer, V. Milman and B. Winkler. "Study of the reaction products of SF6 and C in the laser heated diamond anvil cell by pair distribution function analysis and micro-Raman spectroscopy". J. Solid State Chem. 2015, 225, 141–148,
doi: 10.1016/j.jssc.2014.12.015.

N. Rademacher, L. Bayarjargal, W. Morgenroth, B. Winkler, J. Ciezak-Jenkins, I. G. Batyrev and V. Milman. "The local atomic structures of liquid CO at 3.6 GPa and polymerized CO at 0 to 30 GPa from high pressure pair distribution function analysis". Chem. Eur. J. 2014, 20, 11531–11539,
doi: 10.1002/chem.201403000.

Since the scholarship's inception in 1991, the ICDD has given 191 scholarships to aspiring crystallographers; a total of $454,750 has been awarded! Scholarship awards are made possible by donations from both individuals and corporations to the Ludo Frevel Crystallography Scholarship Fund. Please click on the "Donate Now" button below to make your tax-deductible donation today. Alternatively, contributions can be sent to the Crystallography Scholarship Fund at the address below.


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