Does eScience need digital libraries?

eScience has emerged as an important framework for dramatically rethinking the conduct of scientific research using information technology. There is an unparalleled opportunity for the international eScience and digital library communities to create shared infrastructure to support the conduct of science from end-to-end; i.e., from hypothesis generation, to collecting and analyzing scientific data, to the reporting of research outcomes, and the inclusion of scientific data and models in teaching and learning processes. For this vision to be realized, the two communities must establish a shared vision and research agenda encompassing several critical dimensions, including differences in theoretical and methodological approaches, and collaboration goals. Additionally, for the benefits of eScience and digital libraries to be fully realized, it is vital to establish a shared vision of the broader impact of this work for educators, learners, and the general public

Field-induced valence transition in EuPtP1−xAsx

The ternary compound EuPtP exhibits two valence transitions at T1 = 235 K and T2 = 190 K. In order to examine a field-induced valence transition of Eu, we synthesized EuPtP1−xAsx compounds with 0.05 ≤ x ≤ 0.5 and studied the magnetic and valence behavior. The substitution of As for P increases the lattice volume linearly and decreases both valence transition temperatures, T1 and T2, in contrast to the behavior under external pressures. The magnetization process in a pulsed magnetic field revealed that EuPtP0.5As0.5 exhibits an onset of metamagnetic transition above 50 T with a large hysteresis, which evidences a first-order field-induced valence transition. The analysis of the magnetization curves of x = 0.5 at various temperatures has demonstrated that the field-induced transition is essentially the same as the transition induced by temperature at T1