Colossal Positive Magnetoresistance in a Doped Nearly Magnetic Semiconductor (2008)
Hu, Rongwei, Thomas, K. J., Lee, Y., Vogt, T., Choi, E. S., Mitrovic, V. F., ...
We report on a positive colossal magnetoresistance (MR) induced by metallization of FeSb$_{2}$, a nearly magnetic or "Kondo" semiconductor with 3d ions. We discuss contribution of orbital MR and...
Optical properties of metal based transparent electrodes on polymer films (2008)
Fahland, M., Vogt, T., Schönberger, W., Schiller, N.
Transparent conducting electrodes on polymer films are important components in various kinds of flexible and mobile devices. Indium-tin oxide is the most important single layer transparent conductor....
Deposition of functional coatings on PET films by Magnetron-PECVD (2008)
Fahland, M., Vogt, T., Meyer, B., Fahlteich, J., Schiller, N.
Magnetron-PECVD is a new process tool which allows the deposition of plasma polymer coatings at process pressures below 1 Pa. The striking features of this technology are the relatively easy...
Structure and Magnetism of the mono-layer hydrate Na0.3NiO2 0.7H2O (2007)
The mono-layer hydrate (Ni-MLH) Na0.3NiO2 0.7H2O was synthesized with an average Ni valence close to one in the bi-layer hydrate (Ni-BLH) Na0.3NiO2 1.3H2O. A weak unsaturated ferromagnetism and...
Use of Rydberg atoms to control electron temperatures in ultracold plasmas (2006)
Pohl, T., Comparat, D., Zahzam, N., Vogt, T., Pillet, P., Pattard, T.
Star clusters dynamics in a laboratory: electrons in an ultracold plasma (2005)
Comparat, D., Vogt, T., Zahzam, N., Mudrich, M., Pillet, P.
Electrons in a spherical ultracold quasineutral plasma at temperature in the Kelvin range can be created by laser excitation of an ultra-cold laser cooled atomic cloud. The dynamical behavior of the...
Star clusters dynamics in a laboratory: electrons in an ultracold plasma (2005)
Comparat, D., Vogt, T., Zahzam, N., Mudrich, M., Pillet, P.
Electrons in a spherical ultracold quasineutral plasma at temperature in the Kelvin range can be created by laser excitation of an ultra-cold laser cooled atomic cloud. The dynamical behavior of the...
Kondo Insulator description of spin state transition in FeSb2 (2005)
Petrovic, C., Lee, Y., Vogt, T., Lazarov, N. Dj., Bud'ko, S. L., Canfield, P. C.
The thermal expansion and heat capacity of FeSb2 at ambient pressure agrees with a picture of a temperature induced spin state transition within the Fe t_{2g} multiplet. However, high pressure powder...
Park, S., Kang, K., Si, W., Lee, Y., Moodenbaugh, A. R., ...
We have prepared the oxyhydrate Na03RhO206H2O by extracting Na+ cations from NaRhO2 and intercalating water molecules using an aqueous solution of Na2S2O8. Synchrotron X-ray powder diffraction,...
Synthesis and Structure of the Monolayer Hydrate K03CoO2 x 04H2O (2005)
Park, S., Lee, Y., Si, W., Vogt, T.
The monolayer hydrate (MLH) K03CoO2 x 04H2O was synthesized from K06CoO2 by extracting K+ cations using K2S2O8 as an oxidant and the subsequent intercalation of water between the layers of...
Structure and Thermodynamics of the Mixed Alkali Alanates (2005)
Graetz, J., Lee, Y., Reilly, J. J., Park, S., Vogt, T.
The thermodynamics and structural properties of the hexahydride alanates (M2M'AlH6) with the elpasolite structure have been investigated. A series of mixed alkali alanates (Na2LiAlH6, K2LiAlH6 and...
Star clusters dynamics in a laboratory: electrons in an ultracold plasma (2005)
Comparat, D., Vogt, T., Zahzam, N., Mudrich, M., Pillet, P.
Electrons in a spherical ultracold quasineutral plasma at temperature in the Kelvin range can be created by laser excitation of an ultra-cold laser cooled atomic cloud. The dynamical behavior of the...
High pressure neutron diffraction study of superhydrated natrolite (2005)
Colligan, M, Lee, Y, Vogt, T, Celestian, A J, Parise, J B, Marshall, W G, ...
Star clusters dynamics in a laboratory: electrons in an ultracold plasma (2005)
Comparat, D., Vogt, T., Zahzam, N., Mudrich, M., Pillet, P.
Electrons in a spherical ultracold quasineutral plasma at temperature in the Kelvin range can be created by laser excitation of an ultra-cold laser cooled atomic cloud. The dynamical behavior of the...
Star clusters dynamics in a laboratory: electrons in an ultracold plasma (2005)
Comparat, D., Vogt, T., Zahzam, N., Mudrich, M., Pillet, P.
Electrons in a spherical ultracold quasineutral plasma at temperature in the Kelvin range can be created by laser excitation of an ultra-cold laser cooled atomic cloud. The dynamical behavior of the...
Bowman, R. C. Jr., Lindensmith, C. A., Luo, S., Flanagan, T. B., Vogt, T.
Systematic studies of the hydriding behavior of LaNi***sub5-x***Sn***subx***H***subz*** alloys with tin contents in the range between 0.20 and 0.25 have revealed changes in the...
Shallow gas in shelf sediments of the Namibian coastal upwelling ecosystem (2004)
Emeis, K. C., Brüchert, V., Currie, B., Endler, R., Ferdelman, T., Kiessling, A., ...
Oxygen and Strontium Codoping of La2NiO4: Room Temperature Phase Diagrams (2003)
Huecker, M., Chung, K., Chand, M., Vogt, T., Tranquada, J. M., Buttrey, D. J.
We present a detailed room temperature x-ray powder diffraction study on La2-xSrxNiO4+d with 0
Darling, T. W., Graf, M. J., Proffen, Th., Heffner, R. H., Lee, Yongjae, ...
The temperature and pressure dependence of the thermal displacements and lattice parameters were obtained across the $\gamma \to \alpha$ phase transition of Ce using high-pressure, high-resolution...
Positional disorder of Ba in the thermoelectric germanium clathrate Ba6Ge25 (2003)
The local structure of Ba6Ge25 has been studied by x-ray diffraction and the atomic pair distribution function technique at 40 K and room temperature. Unambiguous evidence has been found that two out...
Temperature dependent total scattering structural study of CaCu3Ti4O12 (2003)
Bozin, E. S., Petkov, V., Barnes, P. W., Woodward, P. M., Vogt, T., Mahanti, S. D., ...
X-ray and neutron powder diffraction data as a function of temperature are analyzed for the colossal dielectric constant material CaCu3Ti4O12. The local structure is studied using atomic pair...
Pressure-Induced Intermediate-to-Low Spin State Transition in LaCoO3 (2002)
Vogt, T., Hriljac, J. A., Hyatt, N. C., Woodward, P.
Synchrotron X-ray powder diffraction experiments reveal that the transition from a magnetic intermediate spin (IS) state to a nonmagnetic low-spin (LS) ground state in LaCoO3 normally observed when...
Wu, Lijun, Zhu, Yimei, Vogt, T., Su, Haibin, Davenport, J. W., Tafto, J.
We use synchrotron x-ray and precision electron diffraction techniques to determine accurately the structure factors of selected reflections that are sensitive to the valence electron distribution in...
Charge transfer in the high dielectric constant materials CaCu3Ti4O12 and CdCu3Ti4O12 (2002)
Homes, C. C., Vogt, T., Shapiro, S. M., Si, W., Wakimoto, S., Subramanian, M. A.
The cubic perovskite-related ceramic CaCu3Ti4O12 has a very high static dielectric constant ~10000 at room temperature (RT), which drops to about 100 below about 100 K. Substituting Cd for Ca reduces...
Chemical short range order obtained from the atomic pair distribution function (2002)
Proffen, Th., Petkov, V., Billinge, S. J. L., Vogt, T.
Many crystalline materials show chemical short range order and relaxation of neighboring atoms. Local structural information can be obtained by analyzing the atomic pair distribution function (PDF)...
Petkov, V., Billinge, S. J. L., Larson, P., Mahanti, S. D., Vogt, T., Rangan, K. K., ...
The structure of LiMoS2 has been experimentally determined for the first time. The approach of atomic pair distribution function (PDF) analysis was used because of the lack of well defined Bragg...
Compressibility and Electronic Structure of MgB2 up to 8 GPa (2001)
Vogt, T., Schneider, G., Hriljac, J. A., Yang, G., Abell, J. S.
The lattice parameters of MgB2 up to pressures of 8 GPa were determined using high-resolution x-ray powder diffraction in a diamond anvil cell. The bulk modulus, B0, was determined to be 151 +-5 GPa....
Vogt, T., Hunter, B.A., Thornton, J.
Investigates the influence of annealing temperature on the atomic structure of yttria-stabilized zirconia (YSZ). Deposition of YSZ on nickel superalloy substrates by plasma spraying; Observation of...
Kinematically complete experiments using cold target recoil ion momentum spectroscopy (1997)
Dörner, R, Mergel, V, Spielberger, L, Achler, M, Khayyat, K, Vogt, T, ...
Three dimensional momentum distributions of Recoil-Ions and photoelectrons (1996)
Ullrich, J, Dörner, R, Jagutzki, O, Mergel, V, Moshammer, R, Schmidt-Böcking, H, ...
Double and single ionization of helium by 58-keV X-rays (1996)
Spielberger, L, Jagutzki, O, Krässig, B, Meyer, U, Khayyat, K, Mergel, V, ...
Dörner, R, Feagin, J, Cocke, C L, Bräuning, H, Jagutzki, O, Jung, M, ...
Ratio of cross sections for double to single ionization of He by 85-400 eV photons (1996)
Dörner, R, Vogt, T, Mergel, V, Khemliche, H, Kravis, S, Cocke, C L, ...
A Laser Magnetic Resonance Study of Excited Vibronic States of $NCO(\bar{X}^{2}\Pi$) (1993)
Gillett, D. A., Vogt, T., Brown, J. M.
$^{1}$ Patel-Misra, D., Sauder, D. G. and Dagdigian, P.J., J. Chem. Phys. 93, 5448 (1990) $^{2}$ Northrup, F. J., Wu, M. and Sears, T.J., J. Chem. Phys. 96, 7218 (1992)
Galy, J., Vogt, T., Lecante, P., Mosset, A., Strahle, J.
Short and medium range order has been established for the ML3 serie of compounds by a joint EXAFS-LAXS techniques. Metal-metal pairs have been evidence and interatomic distances determined ; extended...
Galy, J., Vogt, T., Lecante, P., Mosset, A., Strahle, J.
Short and medium range order has been established for the ML3 serie of compounds by a joint EXAFS-LAXS techniques. Metal-metal pairs have been evidence and interatomic distances determined ; extended...
Galy, J., Vogt, T., Lecante, P., Mosset, A., Strahle, J.
Short and medium range order has been established for the ML3 serie of compounds by a joint EXAFS-LAXS techniques. Metal-metal pairs have been evidence and interatomic distances determined ; extended...
DNA rehybridization during PCR: the 'Cot effect' and its consequences.
Mathieu-Daudé, F, Welsh, J, Vogt, T, McClelland, M
The rate of amplification of abundant PCR products generally declines faster than that of less abundant products in the same tube in the later cycles of PCR. As a consequence, differences in product...
Wild-type petunia pollen accumulates high levels of flavonol 3-O-glycosides. Pollen from conditionally male-fertile petunia has no flavonols and is unable to germinate. Pollen function is restored...
Chalcone Synthase and Flavonol Accumulation in Stigmas and Anthers of Petunia hybrida.
Pollak, P. E., Vogt, T., Mo, Y., Taylor, L. P.
Flavonol aglycones are required for pollen germination in petunia (Petunia hybrida L.). Mutant plants lacking chalcone synthase (CHS), which catalyzes the first committed step in flavonoid synthesis,...
An Arabidopsis mutant defective in the general phenylpropanoid pathway.
Chapple, C C, Vogt, T, Ellis, B E, Somerville, C R
Mutants of Arabidopsis deficient in a major leaf phenylpropanoid ester, 2-O-sinapoyl-L-malate, were identified by thin-layer chromatographic screening of methanolic leaf extracts from several...
Pollination- or Wound-Induced Kaempferol Accumulation in Petunia Stigmas Enhances Seed Production.
Vogt, T, Pollak, P, Tarlyn, N, Taylor, LP
Flavonols are essential for pollen germination and tube growth in petunia and can be supplied by either the pollen or stigma at pollination. HPLC analysis and a sensitive bioassay demonstrated that...
Vogt, T, Pope, C, Mullooly, J, Hollis, J
OBJECTIVES. This study sought to relate preexisting depression, worries, affect balance, and mental health symptoms to subsequent risk of morbidity and mortality. METHODS. A random sample of members...
Does switching from cigarettes to pipes or cigars reduce tobacco smoke exposure?
Ockene, J K, Pechacek, T F, Vogt, T, Svendsen, K
Cigarette smoking histories, reported depth of inhalation, number of pipe and cigars (PC) smoked, serum thiocyanate (SCN) and expired air carbon monoxide (CO) levels were examined in PC male smokers...
DNA rehybridization during PCR: the 'Cot effect' and its consequences.
Mathieu-Daudé, F, Welsh, J, Vogt, T, McClelland, M
The rate of amplification of abundant PCR products generally declines faster than that of less abundant products in the same tube in the later cycles of PCR. As a consequence, differences in product...
Wild-type petunia pollen accumulates high levels of flavonol 3-O-glycosides. Pollen from conditionally male-fertile petunia has no flavonols and is unable to germinate. Pollen function is restored...
Chalcone Synthase and Flavonol Accumulation in Stigmas and Anthers of Petunia hybrida.
Pollak, P. E., Vogt, T., Mo, Y., Taylor, L. P.
Flavonol aglycones are required for pollen germination in petunia (Petunia hybrida L.). Mutant plants lacking chalcone synthase (CHS), which catalyzes the first committed step in flavonoid synthesis,...
An Arabidopsis mutant defective in the general phenylpropanoid pathway.
Chapple, C C, Vogt, T, Ellis, B E, Somerville, C R
Mutants of Arabidopsis deficient in a major leaf phenylpropanoid ester, 2-O-sinapoyl-L-malate, were identified by thin-layer chromatographic screening of methanolic leaf extracts from several...
Pollination- or Wound-Induced Kaempferol Accumulation in Petunia Stigmas Enhances Seed Production.
Vogt, T, Pollak, P, Tarlyn, N, Taylor, LP
Flavonols are essential for pollen germination and tube growth in petunia and can be supplied by either the pollen or stigma at pollination. HPLC analysis and a sensitive bioassay demonstrated that...
Vogt, T, Pope, C, Mullooly, J, Hollis, J
OBJECTIVES. This study sought to relate preexisting depression, worries, affect balance, and mental health symptoms to subsequent risk of morbidity and mortality. METHODS. A random sample of members...
Does switching from cigarettes to pipes or cigars reduce tobacco smoke exposure?
Ockene, J K, Pechacek, T F, Vogt, T, Svendsen, K
Cigarette smoking histories, reported depth of inhalation, number of pipe and cigars (PC) smoked, serum thiocyanate (SCN) and expired air carbon monoxide (CO) levels were examined in PC male smokers...
Relationship between electrical and mechanical properties of motor units.
In six healthy volunteers, the size of the motor unit action potential (MUAP) was related to its contractile behaviour. Electrical activity was determined by measuring amplitude and area of the...