329 research outputs found
Albert Einstein with Alice von Kahler in Princeton, New Jersey signed by Trude Fleischmann.
No full textDigital ImageAlice ("Lili") Loewy Kahler was the wife of Erich Kahler, a literary scholar, author and professor. The couple met in Princeton and were friends with Albert Einstein.Trude Fleischmann was an Austrian photogropher. She had a studio in Vienna before immgrating to the US and opening another studio in New York City. Her work spanned celebrity portraits and fashion photography (most notably for Vogue).Record added to DigiTool. Aleph record suppressed. J. Palmisano 09/15/2010.Digital Imag
Henri Temianka Correspondence; (fleischmann)
No full textThis collection contains material pertaining to the life, career, and activities of Henri Temianka, violin virtuoso, conductor, music teacher, and author. Materials include correspondence, concert programs and flyers, music scores, photographs, and books.https://digitalcommons.chapman.edu/temianka_correspondence/2074/thumbnail.jp
Henri Temianka Correspondence; (fleischmann)
No full textThis collection contains material pertaining to the life, career, and activities of Henri Temianka, violin virtuoso, conductor, music teacher, and author. Materials include correspondence, concert programs and flyers, music scores, photographs, and books.https://digitalcommons.chapman.edu/temianka_correspondence/2073/thumbnail.jp
Author Correction: Grain-boundary segregation of magnesium in doped cuprous oxide and impact on electrical transport properties
No full textPotential Sources of Compositional Inaccuracy in the Atom Probe Tomography of InxGa1-xAs
No full textWith the objective of applying laser-assisted atom probe tomography to compositional analysis within nanoscale InGaAs devices, experimental conditions that may provide an accurate composition estimate were sought by extensively studying an InGaAs blanket film. Overall, the determined arsenic atomic fraction was found to exhibit an electric field dependent deficiency, which was more pronounced at low field conditions. Although the determined group III site-fraction also showed a (weak) field-dependent deficiency at low field conditions, it remained invariant with analysis conditions and in close agreement with the nominal value at higher field. In this study, we investigate and discuss the mechanisms that could potentially contribute to As underestimation. Given the field dependence observed, the phenomena occurring between low and high field conditions are compared. At low field, the tendency of As to field evaporate in significant amounts as multiply charged cluster ions (Asni+ with n as large as 9 and i = 1,2,3) is shown to be a significant source of compositional inaccuracy. These clusters may lead to peak overlap in the mass spectrum (e.g. the peak at 150 Da may represent As42+ or As2+ or both), thereby creating an uncertainty in the quantification. Emitted clusters may also dissociate with the likelihood of neutral generation and multi-hit losses being non-negligible. Experimental studies and density functional theory calculations are presented to characterize cluster stability and its contribution to measurement uncertainty. Under high field conditions, although fewer clusters are detected and the composition appears more accurate, the emergence of two additional mechanisms, i.e., multi-hits and DC evaporation, may degrade the data quality. The challenges in evaluating the impact of all these loss mechanisms are examined in detail. Finally, we show that for InGaAs under UV illumination, due to the laser-tip interaction, the resulting asymmetric electric field distribution across the apex introduces local atomic fraction variations.sponsorship: R.C., R.M. and W.V. are grateful to Drs. Baptiste Gault, Zirong Peng, Yanhong Chang, Leigh Stephenson, Michael Ashton and Christoph Freysoldt for fruitful discussions and valuable suggestions. P.F. acknowledges the FWO for a postdoctoral grant. The authors acknowledge the financial support by FWO-Hercules through project ZW13_09. (FWO, FWO-Hercules|ZW13_09)status: Publishe
Designers as change agents in the Circular Economy
No full textSeveral global reports have concluded that natural resource extraction at its current levels is unsustainable and will lead to the rapid erosion of the environment and tax global economic growth. One of the alternative paradigms to conserve those resources is the Circular Economy, a system driven by innovation that extends the utility of products as long as possible through a series of strategies that re-use resources. Design can act as a bridging tool and a catalyst for the innovation demanded by the Circular Economy because of its flexibility as a problem-solving discipline. The intermediary role of design can adapt to the complex requirements of Circular Economy stakeholders who want to shift their way of doing business to a more sustainable model, despite formidable policies, economic, cultural and political obstacles. The author explores the evolution and utility of design from a discipline that shapes objects to one that constructs and facilitates complex systems of interactions among collaborators, which in the Circular Economy includes consumers, manufacturers, logistics companies, governments, business and science entrepreneurs. Several examples of design’s role in this facilitative process are presented that showcase the power of design to drive social and cultural transformations and re-cast industrial and business processes. Sustainable innovation is the centrepiece of the Circular Economy and design has a significant role to play in its adoption, particularly from a human-centred perspective that can address formidable constraints to its implementation.Full Tex
Is the Design Studio Dead? - An International Perspective on the Changing Shape of the Physical Studio across Design Domains
No full textThe process of moving the physical design studio experience, where social interaction is a guiding principle, into a detached virtual environment during the Covid pandemic has prompted design educators to re-evaluate what constitutes a traditional studio-based learning system. This shift is based on classroom experiences after design educators moved their courses online as physical classrooms closed. Early research findings indicate that design educators and students adapted surprisingly well to an online classroom during the pandemic. But is this equally the case across all design domains? The author argues that it is unhelpful to generalize across design domains when setting out to construct alternative digital learning and teaching environments. This study contextualises varying responses to the online design studio and offers a unique international perspective on differences in design domains impacting future plans to offer blended or online learning. The research is underpinned by the epistemology of pragmatism. The interpretation of data is based on surveys filled out by 90 highly experienced design educators representing eight design domains in seven countries. Results indicate a clear shift toward long-term acceptance of select online elements even in design domains focused on physical studio skills. It is clear that design domains will differ in their adoption and development of blending face-to-face and online teaching in the future.Full Tex
Multi-electrode Detection In Voltammetry. Part 3. Effects Of Array Configuration On The Hadamard Multiplexed Voltammetric Technique
No full textThe effect of the number of electrodes and their relative distribution on the gain of the signal-to-noise ratio (SNR) in a multiplexed voltammetric measurement was evaluated. A voltammetric multi-channel instrument was constructed capable of operating with up to 63 ultramicroelectrodes (mercury coated copper discs, diameter 55 μm). The gain in the SNR was investigated as a function of the number of electrodes (15, 31 and 63) in the array. For each array a design matrix was employed for the multiplexed measurements. The results show that the detection limit for Pb(II) can be improved 5.1-fold by employing 63 electrodes. The overlapping effect of diffusion layers was also evaluated and the results allow the conclusion that, for multiplexed readings obtained at 100 per second, and when the distance between adjacent electrodes is less than 20 times their diameter, the radial component is disturbed, causing a reduction in the faradaic current. On the other hand, by keeping the distance greater than this limit, the multiplex gain can be fully achieved with a substantial reduction in data acquisition time.1241116571660Wightman, R.M., (1981) Anal. Chem., 53, pp. 1125ABond, A.M., (1994) Analyst, 119, pp. R1Bond, A.M., Fleischmann, M., Robinson, J., (1984) J. Electroanal. Chem., 172, p. 11Bond, A.M., Fleischmann, M., Robinson, J., (1984) J. Electroanal. Chem., 168, p. 299Bond, A.M., Fleischmann, M., Robinson, J., (1984) J. Electroanal. Chem., 180, p. 257Lawrence, C.M., Slater, J.M., (1992) Anal. Proc., 29, p. 12Wightman, R.M., Wipf, D.O., (1989) Electroanal. Chem., 15, p. 267Bond, A.M., Oldham, K.B., Zoski, C.G., (1989) Anal. Chim. Acta., 216, p. 89Stojek, Z., (1991) Mikrochim. Acta, Part II, p. 353Wightman, R.M., Wipf, D.O., (1989) Electroanal. Chem., 15, p. 267Fitch, A., Evans, D., (1986) J. Electroanal. Chem., 202, p. 83Caudili, W.L., Howell, J.O., Wightman, R.M., (1982) Anal. Chem., 54, p. 2532Magge L.J., Jr., Osteryoung, J., (1989) Anal. Chem., 61, p. 2124Niwa, O., Horiuchi, T., Morita, M., Huang, T., Kissinger, P.T., (1996) Anal. Chim. Acta, 318, p. 167Fang, T., McGrath, M.J., Diamond, D., Smyth, M.R., (1995) Anal. Chim. Acta, 305, p. 347McGrath, M.J., Fang, T., Diamond, D., Smyth, M.R., (1995) Anal. Lett., 28 (4), p. 685Niwa, O., Tabei, H., Solomon, B.P., Xie, F., Kissenger, P.T., (1995) J. Chromatogr. B, 670, p. 21Sanderson, D.G., Anderson, L.B., (1985) Anal. Chem., 57, p. 2388Niwa, O., (1995) Electroanalysis, 7, p. 606Brearly, T.H., Dishi, A.K., Fielden, P.R., (1989) Anal. Proc., 26, p. 389Anderson, J.L., Ou, T.Y., Moldoveanu, S., (1985) J. Electroanal. Chem., 196, p. 213Aoki, A., Matsue, T., Uchida, I., (1990) Anal. Chem., 62, p. 2206Van Der Linden, W.E., Bos, M., Bos, A., (1989) Anal. Proc., 26, p. 329Rohwedder, J.J.R., Pasquini, C., (1998) Analyst, 123, p. 1641Rohwedder, J.J.R., Pasquini, C., (1998) Analyst, 123, p. 1861Reller, H., Eisner-Kirowa, E., Gileadi, E., (1982) J. Eletroanal. Chem., 138, p. 65Scharifker, B.R., (1988) J. Electroanal. Chem., 240, p. 6
Financial literacy and financial history of Czech households
No full textThe author of this bachelor's thesis deals with the phenomenon of the present that is topic of financial literacy. The subject of this thesis is to create a reliable and sufficiently understandable manual, which actions should a financially literate individual, who is responsible for financial situation of his family, take. Author's intention is also to applicate gained knowledge on a model of fictional average Czech household, in real conditions, though, and therefore confirm usability of his own work. The result is going to be a product, which will pass on advice, how to take care of own financial situation, and will show or rationalize everything on a specific and detailed example
Uniform semiclassical wave function for coherent two- dimensional electron flow
No full textWe find a uniform semiclassical (SC) wave function describing coherent branched flow through a two-dimensional electron gas (2DEG), a phenomenon recently discovered by direct imaging of the current using scanned probed microscopy [M.A. Topinka, B.J. LeRoy, S.E.J. Shaw, E.J. Heller, R.M. Westervelt, K.D. Maranowski, and A.C. Gossard, Science 289, 2323 (2000)]. The formation of branches has been explained by classical arguments [M.A. Topinka, B.J. LeRoy, R.M. Westervelt, S.E.J. Shaw, R. Fleischmann, E.J. Heller, K.D. Maranowski, and A.C. Gossard, Nature (London) 410, 183 (2001)], but the SC simulations necessary to account for the coherence are made difficult by the proliferation of catastrophes in the phase space. In this paper, expansion in terms of “replacement manifolds” is used to find a uniform SC wave function for a cusp singularity. The method is then generalized and applied to calculate uniform wave functions for a quantum-map model of coherent flow through a 2DEG. Finally, the quantum-map approximation is dropped and the method is shown to work for a continuous-time model as well.LCP
- …
