NMR evidence for a strong modulation of the Bose-Einstein Condensate in BaCuSi$_2$O$_6$ (2008)
Kramer, S., Stern, R., Horvatic, M., Berthier, C., Kimura, T., Fisher, I.R.
We present a $^{63,65}$Cu and $^{29}$Si NMR study of the quasi-2D coupled spin 1/2 dimer compound BaCuSi$_2$O$_6$ in the magnetic field range 13-26 T and at temperatures as low as 50~mK. NMR data in...
NMR evidence for a strong modulation of the Bose-Einstein Condensate in BaCuSi$_2$O$_6$ (2008)
Kramer, S., Stern, R., Horvatic, M., Berthier, C., Kimura, T., Fisher, I.R.
We present a $^{63,65}$Cu and $^{29}$Si NMR study of the quasi-2D coupled spin 1/2 dimer compound BaCuSi$_2$O$_6$ in the magnetic field range 13-26 T and at temperatures as low as 50~mK. NMR data in...
NMR evidence for a strong modulation of the Bose-Einstein Condensate in BaCuSi$_2$O$_6$ (2007)
Kramer, S., Stern, R., Horvatic, M., Berthier, C., Kimura, T., Fisher, I. R.
We present a $^{63,65}$Cu and $^{29}$Si NMR study of the quasi-2D coupled spin 1/2 dimer compound BaCuSi$_2$O$_6$ in the magnetic field range 13-26 T and at temperatures as low as 50 mK. NMR data in...
Metallic properties of Li-intercalated carbon nanotubes investigated by NMR (2006)
Schmid, M., Goze-Bac, C., Kramer, S., Roth, S., Mehring, M., Mathis, C., ...
Electronic properties of single-walled carbon nanotubes intercalated with lithium are investigated by NMR. C-13 NMR experiments reveal a metallic ground state for all of the following stoichiometries...
Williams, G. V. M., Kramer, S., Tallon, J. L., Dupree, R., Loram, J. W.
Julien et al. have commented on two of our publications claiming that we have made erroneous interpretations of the nuclear magnetic resonance (NMR) and nuclear quadrupole resonance (NQR) data....
A home networking infrastructure using POF based on IEEE 1394 (2004)
Schelinski, U., Frommhagen, K., Scholles, M., Muellritter, G., Kramer, S.
This paper presents a networking infrastructure for all digital data transport within private homes and multi-tenant units. The standard IEEE 1394b provides a unified high performance serial bus for...
Statistical Evaluation of the Predictive Toxicology Challenge 2000-2001 (2003)
Toivonen, H., Srinivasan, A., King, Ross, Kramer, S., Helma, C.
Motivation: The development of in silico models to predict chemical carcinogenesis from molecular structure would help greatly to prevent environmentally caused cancers. The Predictive Toxicology...
Thesis (Ph.D.)
Decoupled CuO_2 and RuO_2 layers in superconducting and magnetically ordered RuSr_2GdCu_2O_8 (2001)
Pozek, M., Dulcic, A., Paar, D., Hamzic, A., Basletic, M., Tafra, E., ...
Comprehensive measurements of dc and ac susceptibility, dc resistance, magnetoresistance, Hall resistivity, and microwave absorption and dispersion in fields up to 8 T have been carried out on...
Williams, G. V. M., Dupree, R., Howes, A., Kramer, S., Trodahl, H. J., Jung, C. U., ...
We report the results from a thermopower and a Cu nuclear magnetic resonance (NMR) study of the infinite CuO2 layer electron doped high temperature superconducting cuprate (HTSC), Sr0.9La0.1CuO2. We...
Magnetization, Structural and Nuclear Quadrupole Resonance Study of RuSr2EuCeCu2O10+d (2001)
Williams, G. V. M., McLaughlin, A. C., Attfield, J. P., Kramer, S., Lee, Ho Keun
We present the results from a magnetization, structural, and nuclear quadrupole resonance study of the ruthenate-cuprate, RuSr2R2-xCexCu2O10+d with x=1 and R=Eu. This compound is a superconductor for...
Oxygen Nuclear Magnetic Resonance Study of RuSr2EuCu2O8 (2001)
Kramer, S., Williams, G. V. M.
We report the results from a 17O Nuclear Magnetic Resonance (NMR) study of the high temperature superconducting cuprate (HTSC), RuSr2EuCu2O8. This compound has recently been found to exhibit the...
A Magnetization and Microwave Study of Superconducting MgB2 (2001)
Dulcic, A., Paar, D., Pozek, M., Williams, G. V. M., Kramer, S ., Jung, C. U., ...
We report magnetic field dependent magnetization and microwave impedance measurements on a MgB2 superconductor prepared by high pressure synthesis. We find that the upper critical field is linearly...
A Transport and Microwave Study of Superconducting and Magnetic RuSr2EuCu2O8 (2001)
Pozek, M., Dulcic, A., Paar, D., Williams, G. V. M., Kramer, S.
We have performed susceptibility, thermopower, dc resistance and microwave measurements on RuSr2EuCu2O8. This compound has recently been shown to display the coexistence of both superconducting and...
The Predictive Toxicology Challenge 2000-2001 (2001)
Helma, C., King, R. D., Kramer, S., Srinivasan, A.
Summary: We initiated the Predictive Toxicology Challenge (PTC) to stimulate the development of advanced SAR techniques for predictive toxicology models. The goal of this challenge is to predict the...
Limiting current behaviour of the direct methanol fuel cell (1999)
Scott,K., Taama,M., Kramer,S., Argyropoulos,P., Sundmacher,K.
Limiting current density data for a liquid feed direct methanol fuel cell best on a Nation solid polymer electrolyte membrane are reported. The cell uses a membrane electrode assembly composed of...
Limiting current behaviour of the direct methanol fuel cell (1999)
Scott, K., Taama, M., Kramer, S., Argyropoulos, P., Sundmacher, K.
Limiting current density data for a liquid feed direct methanol fuel cell best on a Nation solid polymer electrolyte membrane are reported. The cell uses a membrane electrode assembly composed of...
Virtual spaces to support feature-based computer aided design (1994)
Increasingly high demands placed on the product development process with respect to the shortening of development and job throughput times, the lowering of development costs and an improvement in...
Verteilte Produktentwicklung mittels Breitbandkommunikation (1994)
Jansen, H., Kramer, S., Kiesewetter, T.
New hardware and software tools based on wide-band communication techniques are opening innovative ways of distributed product development, in connection with multimedial systems and techniques of...
SEBID - simultaneous engineering broadband integrated development. (1994)
Beitz, W., Kiesewetter, T., Kramer, S., Lam, A., Ratfisch, U., ...
The sequential execution of the product development stages is still the mostly used method in industry nowadays. A very short lead-time in product life cycle is one necessity for a good and safe...
Distributed product design (1994)
Distribution of design tasks is a measure to accelerate the product design process. In a distributed design environment based on broadband communication network it is feasable to split the design...
Woestenburg, J.C., Das-Smaal, E.A., Kramer, S.
Trial to trial Event Related Potentials (ERPs) were recorded from children with attentional problems (APs), learning problems (LPs), and from children without these problems (NCs). The task required...
For efficient computer aided design it is nessessary to provide an object oriented modelling environment. This requirement is fulfilled by using the feature approach. Features are intelligent design...
Featurebasierte Produktentwicklung (1992)
Feature modelling systems serve for the integrated processing of geometric, technological and functional information during design. They enable the designer to work with design elements he is...
PDGL - A language for efficient feature based product gestaltung (1991)
For high level and efficient computer aided design it is necessary to provide the possibility of object oriented modeling. A language has been developed to describe features in an object oriented...
Jaffe, H A, Buhl, R, Mastrangeli, A, Holroyd, K J, Saltini, C, Czerski, D, ...
In the context of the central role of the alveolar macrophage in host defense of the respiratory epithelial surface, and the ability of IFN-gamma to activate mononuclear phagocytes, we have evaluated...
Helma, C, Kramer, S, Pfahringer, B, Gottmann, E
Every technique for toxicity prediction and for the detection of structure-activity relationships relies on the accurate estimation and representation of chemical and toxicologic properties. In this...
Data quality in predictive toxicology: reproducibility of rodent carcinogenicity experiments.
Gottmann, E, Kramer, S, Pfahringer, B, Helma, C
We compared 121 replicate rodent carcinogenicity assays from the two parts (National Cancer Institute/National Toxicology Program and literature) of the Carcinogenic Potency Database (CPDB) to...
Jaffe, H A, Buhl, R, Mastrangeli, A, Holroyd, K J, Saltini, C, Czerski, D, ...
In the context of the central role of the alveolar macrophage in host defense of the respiratory epithelial surface, and the ability of IFN-gamma to activate mononuclear phagocytes, we have evaluated...
Helma, C, Kramer, S, Pfahringer, B, Gottmann, E
Every technique for toxicity prediction and for the detection of structure-activity relationships relies on the accurate estimation and representation of chemical and toxicologic properties. In this...
Data quality in predictive toxicology: reproducibility of rodent carcinogenicity experiments.
Gottmann, E, Kramer, S, Pfahringer, B, Helma, C
We compared 121 replicate rodent carcinogenicity assays from the two parts (National Cancer Institute/National Toxicology Program and literature) of the Carcinogenic Potency Database (CPDB) to...
Lundy, J., Schuss, A., Stanick, D., McCormack, E. S., Kramer, S., Sorvillo, J. M.
The major objectives of this study were twofold: to determine 1) if growth factors or growth factor receptors were expressed similarly or differently in a clinically well-characterized group of...
Patton, W. F., Zerweck, J., Xie, H., Kramer, S., Sissors, D., Schutkowski, M.
Reliable identification and characterization of protein kinase substrates is of paramount importance to deciphering cellular signaling pathways. Previously, an artificial phosphomonoester-binding...