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577 results on '"Kuebler J"'

1. Prognostic and predictive role of circulating tumor DNA (ctDNA) in stage III colon cancer treated with celecoxib: Findings from CALGB (Alliance)/SWOG 80702.

Author

Nowak, Jonathan Andrew, Shi, Qian, Twombly, Tyler, Pederson, Levi D., Ma, Chao, Väyrynen, Juha P., Zhao, Melissa M., Takashima, Yasutoshi, Shergill, Ardaman, Kumar, Pankaj, Couture, Felix, Kuebler, J. Phillip, Krishnamurthi, Smitha S., Tan, Benjamin R., O'Reilly, Eileen M., Shields, Anthony F., Ogino, Shuji, Aleshin, Alexey, and Meyerhardt, Jeffrey A.

Published
2025
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3. Large Noncollinearity and Spin Reorientation in the Novel Mn2RhSn Heusler Magnet

Author

Meshcheriakova, O., Chadov, S., Nayak, A. K., Rößler, U. K., Kübler, J., André, G., Tsirlin, A. A., Kiss, J., Hausdorf, S., Kalache, A., Schnelle, W., Nicklas, M., and Felser, C.

Subjects
Condensed Matter - Materials Science
Abstract

Noncollinear magnets provide essential ingredients for the next generation memory technology. It is a new prospect for the Heusler materials, already well known due to the diverse range of other fundamental characteristics. Here, we present a combined experimental and theoretical study of novel noncollinear tetragonal Mn2RhSn Heusler material exhibiting unusually strong canting of its magnetic sublattices. It undergoes a spin-reorientation transition, induced by a temperature change and suppressed by an external magnetic field. Because of the presence of Dzyaloshinskii-Moriya exchange and magnetic anisotropy, Mn2RhSn is suggested to be a promising candidate for realizing the Skyrmion state in the Heusler family.

Published
2014
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7. Tunable Multifunctional Topological Insulators in Ternary Heusler Compounds

Author

Chadov, S., Qi, X. -L., Kübler, J, Fecher, G. H., Felser, C., and Zhang, S. -C.

Subjects
Condensed Matter - Materials Science, Condensed Matter - Disordered Systems and Neural Networks, Condensed Matter - Mesoscale and Nanoscale Physics
Abstract

Recently the Quantum Spin Hall effect (QSH) was theoretically predicted and experimentally realized in a quantum wells based on binary semiconductor HgTe[1-3]. QSH state and topological insulators are the new states of quantum matter interesting both for fundamental condensed matter physics and material science[1-11]. Many of Heusler compounds with C1b structure are ternary semiconductors which are structurally and electronically related to the binary semiconductors. The diversity of Heusler materials opens wide possibilities for tuning the band gap and setting the desired band inversion by choosing compounds with appropriate hybridization strength (by lattice parameter) and the magnitude of spin-orbit coupling (by the atomic charge). Based on the first-principle calculations we demonstrate that around fifty Heusler compounds show the band inversion similar to HgTe. The topological state in these zero-gap semiconductors can be created by applying strain or by designing an appropriate quantum well structure, similar to the case of HgTe. Many of these ternary zero-gap semiconductors (LnAuPb, LnPdBi, LnPtSb and LnPtBi) contain the rare earth element Ln which can realize additional properties ranging from superconductivity (e. g. LaPtBi[12]) to magnetism (e. g. GdPtBi[13]) and heavy-fermion behavior (e. g. YbPtBi[14]). These properties can open new research directions in realizing the quantized anomalous Hall effect and topological superconductors., Comment: 20 pages, 5 figures

Published
2010
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18. Berry curvature induced anomalous Hall conductivity in the magnetic topological oxide double perovskite Sr2FeMoO6

Author

Chakraborty, T., Samanta, K., Guin, S., Noky, J., Robredo, I., Prasad, S., Kuebler, J., Shekhar, C., G. Vergniory, M., and Felser, C.

Abstract

Oxide materials exhibit several structural, magnetic, and electronic properties. Their stability under ambient conditions, easy synthesis, and high transition temperatures provide such systems with an ideal ground for realizing topological properties and real-life technological applications. However, experimental evidence of topological states in oxide materials is rare. In this paper, we have synthesized single crystals of oxide double perovskite Sr2FeMoO6 and revealed its topological nature by investigating its structural, magnetic, and electronic properties. We observed that the system crystallized in the cubic space group Fm3¯m, which is a half-metallic ferromagnet. Transport measurements show an anomalous Hall effect (AHE), and it is evident that the Hall contribution originates from the Berry curvature. Assuming a shift of the Fermi energy toward the conduction band, the contribution of the AHE is enhanced owing to the presence of a gapped nodal line. This paper can be used to explore and realize the topological properties of bulk oxide systems. © 2022 authors. Published by the American Physical Society.

Published
2022

21. Sample Probe with Integrated Elution Chamber

Author

Beckmann, D., Weckenbrock, E., Stöber, H., Kübler, J., Liebmann, H., Breh, Wolfgang, editor, Gottlieb, Johannes, editor, Hötzl, Heinz, editor, Kern, Frieder, editor, Liesch, Tanja, editor, and Niessner, Reinhard, editor

Published
2002
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34. Lost in transition? Loss of follow-up and quality of life in adults after resection of choledochal malformation in childhood

Author

Abo-Namous Reem, Kuebler Joachim F., Potthoff Andrej, Madadi-Sanjani Omid, Uecker Marie, Dingemann Jens, Petersen Claus, Ure Benno, and Schukfeh Nagoud

Subjects
health-related quality of life, choledochal malformation, pediatric surgery, transition, hepatobiliary surgery, Surgery, RD1-811
Abstract

Choledochal malformation (CM) is a rare disease that can lead to malignancy and potential long-term sequelae despite surgical resection. There is no long-term follow-up data on patients after CM resection in Germany. We aimed to determine the long-term outcome of our patients with a duration of follow-up >10 years and focused on long-term sequelae and health-related quality of life (HRQOL).

Published
2024
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