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Showing 13 to 24 of 548 entries
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Positron spectroscopy of point defects in the skyrmion-lattice compound MnSi.

Scientific reports

Reiner M, Bauer A, Leitner M, Gigl T, Anwand W, Butterling M, Wagner A, Kudejova P, Pfleiderer C, Hugenschmidt C.
PMID: 27388948
Sci Rep. 2016 Jul 08;6:29109. doi: 10.1038/srep29109.

Outstanding crystalline perfection is a key requirement for the formation of new forms of electronic order in a vast number of widely different materials. Whereas excellent sample quality represents a standard claim in the literature, there are, quite generally,...

Synthesis, Characterization, and Device Application of Antimony-Substituted Violet Phosphorus: A Layered Material.

ACS nano

Baumer F, Ma Y, Shen C, Zhang A, Chen L, Liu Y, Pfister D, Nilges T, Zhou C.
PMID: 28362482
ACS Nano. 2017 Apr 25;11(4):4105-4113. doi: 10.1021/acsnano.7b00798. Epub 2017 Apr 07.

Two-dimensional (2D) nanoflakes have emerged as a class of materials that may impact electronic technologies in the near future. A challenging but rewarding work is to experimentally identify 2D materials and explore their properties. Here, we report the synthesis...

Surface Termination Conversion during SrTiO3 Thin Film Growth Revealed by X-ray Photoelectron Spectroscopy.

Scientific reports

Baeumer C, Xu C, Gunkel F, Raab N, Heinen RA, Koehl A, Dittmann R.
PMID: 26189436
Sci Rep. 2015 Jul 20;5:11829. doi: 10.1038/srep11829.

Emerging electrical and magnetic properties of oxide interfaces are often dominated by the termination and stoichiometry of substrates and thin films, which depend critically on the growth conditions. Currently, these quantities have to be measured separately with different sophisticated...

Uniaxial Pressure Dependence of Magnetic Order in MnSi.

Physical review letters

Chacon A, Bauer A, Adams T, Rucker F, Brandl G, Georgii R, Garst M, Pfleiderer C.
PMID: 26765018
Phys Rev Lett. 2015 Dec 31;115(26):267202. doi: 10.1103/PhysRevLett.115.267202. Epub 2015 Dec 28.

We report comprehensive small angle neutron scattering measurements complemented by ac susceptibility data of the helical order, conical phase, and Skyrmion lattice phase (SLP) in MnSi under uniaxial pressures. For all crystallographic orientations uniaxial pressure favors the phase for...

Intraoperative dynamic assessment of the posterior communicating artery and its branches by indocyanine green videoangiography.

Surgical neurology international

Gürer B, Antar V, Cikla U, Bauer A, Baskaya MK.
PMID: 24232934
Surg Neurol Int. 2013 Sep 25;4:122. doi: 10.4103/2152-7806.118936. eCollection 2013.

BACKGROUND: True hemodynamic assessment of the posterior communicating artery (PComA) by preoperative angiography in terms of its perforators and configuration (adult vs. fetal vs. transitional) can be challenging in the surgical treatment of aneurysms involving the PComA, posterior cerebral...

Specific heat of the Skyrmion lattice phase and field-induced tricritical point in MnSi.

Physical review letters

Bauer A, Garst M, Pfleiderer C.
PMID: 23679769
Phys Rev Lett. 2013 Apr 26;110(17):177207. doi: 10.1103/PhysRevLett.110.177207. Epub 2013 Apr 26.

We report high-precision measurements of the temperature and magnetic field dependence of the specific heat, C(T,H), across the magnetic phase diagram of MnSi. Clear anomalies establish the Skyrmion lattice unambiguously as a thermodynamic phase. The evolution of the specific...

Ferroelectrically driven spatial carrier density modulation in graphene.

Nature communications

Baeumer C, Saldana-Greco D, Martirez JM, Rappe AM, Shim M, Martin LW.
PMID: 25609217
Nat Commun. 2015 Jan 22;6:6136. doi: 10.1038/ncomms7136.

The next technological leap forward will be enabled by new materials and inventive means of manipulating them. Among the array of candidate materials, graphene has garnered much attention; however, due to the absence of a semiconducting gap, the realization...

Erratum: Ferroelectrically driven spatial carrier density modulation in graphene.

Nature communications

Baeumer C, Saldana-Greco D, Martirez JM, Rappe AM, Shim M, Martin LW.
PMID: 25666202
Nat Commun. 2015 Feb 10;6:6371. doi: 10.1038/ncomms7371.

No abstract available.

Diabetes affects long-term survival after heart transplantation.

The Journal of heart and lung transplantation : the official publication of the International Society for Heart Transplantation

Czerny M, Sahin V, Zuckermann A, Zimpfer D, Kilo J, Baumer H, Wolner E, Grimm M.
PMID: 11250483
J Heart Lung Transplant. 2001 Feb;20(2):245.

No abstract available.

The Rotational Spectrum of SO(2) and the Determination of the Hyperfine Constants and Nuclear Magnetic Shielding Tensors of (33)SO(2) and SO(17)O.

Journal of molecular spectroscopy

Müller HS, Farhoomand J, Cohen EA, Brupbacher-Gatehouse B, Schäfer M, Bauder A, Winnewisser G.
PMID: 10753605
J Mol Spectrosc. 2000 May;201(1):1-8. doi: 10.1006/jmsp.2000.8072.

Precise frequencies for the 1(11)-2(02) transition of (33)SO(2) and SO(17)O in natural isotopic abundance have been obtained near 12 GHz by microwave Fourier transform spectroscopy in order to yield improved hyperfine constants. Nuclear spin-rotation coupling constants have been determined...

Synthesis and Biochemical Evaluation of Bis(6,7-dimethyl-8-D-ribityllumazines) as Potential Bisubstrate Analogue Inhibitors of Riboflavin Synthase.

The Journal of organic chemistry

Cushman M, Mavandadi F, Yang D, Kugelbrey K, Kis K, Bacher A.
PMID: 11674533
J Org Chem. 1999 Jun 25;64(13):4635-4642. doi: 10.1021/jo9821731.

The reaction catalyzed by riboflavin synthase utilizes two identical 6,7-dimethyl-8-D-ribityllumazine substrate molecules. Three bis(6,7-dimethyl-8-D-ribityllumazines) were, therefore, synthesized in which the two lumazine moieties were connected through their N-3 nitrogen atoms by polymethylene linker chains containing three, four, and five...

Beryllium Chelation by Dicarboxylic Acids in Aqueous Solution.

Inorganic chemistry

Schmidt M, Bauer A, Schmidbaur H.
PMID: 11669821
Inorg Chem. 1997 May 07;36(10):2040-2043. doi: 10.1021/ic961410k.

Maleic and phthalic acids are found to react with Be(OH)(2), generated in situ from BeSO(4)(aq) and Ba(OH)(2)(aq), in aqueous solution at pH 3.0 or 4.4, respectively (25 degrees C), to give solutions containing the complexes (H(2)O)(2)Be[(OOCCH)(2)] (1) and (H(2)O)(2)Be[(OOC)(2)C(6)H(4)]...

Showing 13 to 24 of 548 entries