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Showing 1 to 12 of 155 entries
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Local Electrical Imaging of Tetragonal Domains and Field-Induced Ferroelectric Twin Walls in Conducting SrTiO_{3}.

Physical review letters

Ma HJ, Scharinger S, Zeng SW, Kohlberger D, Lange M, Stöhr A, Wang XR, Venkatesan T, Kleiner R, Scott JF, Coey JM, Koelle D, Ariando.
PMID: 27391752
Phys Rev Lett. 2016 Jun 24;116(25):257601. doi: 10.1103/PhysRevLett.116.257601. Epub 2016 Jun 20.

We demonstrate electrical mapping of tetragonal domains and electric field-induced twin walls in SrTiO_{3} as a function of temperature and gate bias utilizing the conducting LaAlO_{3}/SrTiO_{3} interface and low-temperature scanning electron microscopy. Conducting twin walls appear below 105 K,...

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Ma HJ, Scharinger S, Zeng SW, et al. Local Electrical Imaging of Tetragonal Domains and Field-Induced Ferroelectric Twin Walls in Conducting SrTiO_{3}. Phys Rev Lett. 2016;116(25):257601doi: 10.1103/PhysRevLett.116.257601.
Ma, H. J., Scharinger, S., Zeng, S. W., Kohlberger, D., Lange, M., Stöhr, A., Wang, X. R., Venkatesan, T., Kleiner, R., Scott, J. F., Coey, J. M., Koelle, D., & Ariando. (2016). Local Electrical Imaging of Tetragonal Domains and Field-Induced Ferroelectric Twin Walls in Conducting SrTiO_{3}. Physical review letters, 116(25), 257601. https://doi.org/10.1103/PhysRevLett.116.257601
Ma, H J Harsan, et al. "Local Electrical Imaging of Tetragonal Domains and Field-Induced Ferroelectric Twin Walls in Conducting SrTiO_{3}." Physical review letters vol. 116,25 (2016): 257601. doi: https://doi.org/10.1103/PhysRevLett.116.257601
Ma HJ, Scharinger S, Zeng SW, Kohlberger D, Lange M, Stöhr A, Wang XR, Venkatesan T, Kleiner R, Scott JF, Coey JM, Koelle D, Ariando. Local Electrical Imaging of Tetragonal Domains and Field-Induced Ferroelectric Twin Walls in Conducting SrTiO_{3}. Phys Rev Lett. 2016 Jun 24;116(25):257601. doi: 10.1103/PhysRevLett.116.257601. Epub 2016 Jun 20. PMID: 27391752.
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Local destruction of superconductivity by non-magnetic impurities in mesoscopic iron-based superconductors.

Nature communications

Li J, Ji M, Schwarz T, Ke X, Van Tendeloo G, Yuan J, Pereira PJ, Huang Y, Zhang G, Feng HL, Yuan YH, Hatano T, Kleiner R, Koelle D, Chibotaru LF, Yamaura K, Wang HB, Wu PH, Takayama-Muromachi E, Vanacken J, Moshchalkov VV.
PMID: 26139568
Nat Commun. 2015 Jul 03;6:7614. doi: 10.1038/ncomms8614.

The determination of the pairing symmetry is one of the most crucial issues for the iron-based superconductors, for which various scenarios are discussed controversially. Non-magnetic impurity substitution is one of the most promising approaches to address the issue, because...

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Li J, Ji M, Schwarz T, et al. Local destruction of superconductivity by non-magnetic impurities in mesoscopic iron-based superconductors. Nat Commun. 2015;6:7614doi: 10.1038/ncomms8614.
Li, J., Ji, M., Schwarz, T., Ke, X., Van Tendeloo, G., Yuan, J., Pereira, P. J., Huang, Y., Zhang, G., Feng, H. L., Yuan, Y. H., Hatano, T., Kleiner, R., Koelle, D., Chibotaru, L. F., Yamaura, K., Wang, H. B., Wu, P. H., Takayama-Muromachi, E., Vanacken, J., & Moshchalkov, V. V. (2015). Local destruction of superconductivity by non-magnetic impurities in mesoscopic iron-based superconductors. Nature communications, 67614. https://doi.org/10.1038/ncomms8614
Li, Jun, et al. "Local destruction of superconductivity by non-magnetic impurities in mesoscopic iron-based superconductors." Nature communications vol. 6 (2015): 7614. doi: https://doi.org/10.1038/ncomms8614
Li J, Ji M, Schwarz T, Ke X, Van Tendeloo G, Yuan J, Pereira PJ, Huang Y, Zhang G, Feng HL, Yuan YH, Hatano T, Kleiner R, Koelle D, Chibotaru LF, Yamaura K, Wang HB, Wu PH, Takayama-Muromachi E, Vanacken J, Moshchalkov VV. Local destruction of superconductivity by non-magnetic impurities in mesoscopic iron-based superconductors. Nat Commun. 2015 Jul 03;6:7614. doi: 10.1038/ncomms8614. PMID: 26139568; PMCID: PMC4506518.
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Sensitivity of ultracold atoms to quantized flux in a superconducting ring.

Physical review letters

Weiss P, Knufinke M, Bernon S, Bothner D, Sárkány L, Zimmermann C, Kleiner R, Koelle D, Fortágh J, Hattermann H.
PMID: 25839266
Phys Rev Lett. 2015 Mar 20;114(11):113003. doi: 10.1103/PhysRevLett.114.113003. Epub 2015 Mar 17.

We report on the magnetic trapping of an ultracold ensemble of (87)Rb atoms close to a superconducting ring prepared in different states of quantized magnetic flux. The niobium ring of 10  μm radius is prepared in a flux state...

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Weiss P, Knufinke M, Bernon S, et al. Sensitivity of ultracold atoms to quantized flux in a superconducting ring. Phys Rev Lett. 2015;114(11):113003doi: 10.1103/PhysRevLett.114.113003.
Weiss, P., Knufinke, M., Bernon, S., Bothner, D., Sárkány, L., Zimmermann, C., Kleiner, R., Koelle, D., Fortágh, J., & Hattermann, H. (2015). Sensitivity of ultracold atoms to quantized flux in a superconducting ring. Physical review letters, 114(11), 113003. https://doi.org/10.1103/PhysRevLett.114.113003
Weiss, P, et al. "Sensitivity of ultracold atoms to quantized flux in a superconducting ring." Physical review letters vol. 114,11 (2015): 113003. doi: https://doi.org/10.1103/PhysRevLett.114.113003
Weiss P, Knufinke M, Bernon S, Bothner D, Sárkány L, Zimmermann C, Kleiner R, Koelle D, Fortágh J, Hattermann H. Sensitivity of ultracold atoms to quantized flux in a superconducting ring. Phys Rev Lett. 2015 Mar 20;114(11):113003. doi: 10.1103/PhysRevLett.114.113003. Epub 2015 Mar 17. PMID: 25839266.
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Quantum interference in an interfacial superconductor.

Nature nanotechnology

Goswami S, Mulazimoglu E, Monteiro AM, Wölbing R, Koelle D, Kleiner R, Blanter YM, Vandersypen LM, Caviglia AD.
PMID: 27428278
Nat Nanotechnol. 2016 Oct;11(10):861-865. doi: 10.1038/nnano.2016.112. Epub 2016 Jul 11.

The two-dimensional superconductor that forms at the interface between the complex oxides lanthanum aluminate (LAO) and strontium titanate (STO) has several intriguing properties that set it apart from conventional superconductors. Most notably, an electric field can be used to...

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Goswami S, Mulazimoglu E, Monteiro AM, et al. Quantum interference in an interfacial superconductor. Nat Nanotechnol. 2016;11(10):861-865doi: 10.1038/nnano.2016.112.
Goswami, S., Mulazimoglu, E., Monteiro, A. M., Wölbing, R., Koelle, D., Kleiner, R., Blanter, Y. M., Vandersypen, L. M., & Caviglia, A. D. (2016). Quantum interference in an interfacial superconductor. Nature nanotechnology, 11(10), 861-865. https://doi.org/10.1038/nnano.2016.112
Goswami, Srijit, et al. "Quantum interference in an interfacial superconductor." Nature nanotechnology vol. 11,10 (2016): 861-865. doi: https://doi.org/10.1038/nnano.2016.112
Goswami S, Mulazimoglu E, Monteiro AM, Wölbing R, Koelle D, Kleiner R, Blanter YM, Vandersypen LM, Caviglia AD. Quantum interference in an interfacial superconductor. Nat Nanotechnol. 2016 Oct;11(10):861-865. doi: 10.1038/nnano.2016.112. Epub 2016 Jul 11. PMID: 27428278.
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Intrinsic Josephson effects in the magnetic superconductor RuSr2GdCu2O8.

Physical review letters

Nachtrab T, Koelle D, Kleiner R, Bernhard C, Lin CT.
PMID: 15089159
Phys Rev Lett. 2004 Mar 19;92(11):117001. doi: 10.1103/PhysRevLett.92.117001. Epub 2004 Mar 19.

We have measured interlayer current transport in small-sized RuSr2GdCu2O8 single crystals. We find a clear intrinsic Josephson effect showing that the material acts as a natural superconductor-insulator-ferromagnet-insulator-superconductor superlattice. Thus far, we detected no unconventional behavior due to the magnetism...

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Nachtrab T, Koelle D, Kleiner R, et al. Intrinsic Josephson effects in the magnetic superconductor RuSr2GdCu2O8. Phys Rev Lett. 2004;92(11):117001doi: 10.1103/PhysRevLett.92.117001.
Nachtrab, T., Koelle, D., Kleiner, R., Bernhard, C., & Lin, C. T. (2004). Intrinsic Josephson effects in the magnetic superconductor RuSr2GdCu2O8. Physical review letters, 92(11), 117001. https://doi.org/10.1103/PhysRevLett.92.117001
Nachtrab, T, et al. "Intrinsic Josephson effects in the magnetic superconductor RuSr2GdCu2O8." Physical review letters vol. 92,11 (2004): 117001. doi: https://doi.org/10.1103/PhysRevLett.92.117001
Nachtrab T, Koelle D, Kleiner R, Bernhard C, Lin CT. Intrinsic Josephson effects in the magnetic superconductor RuSr2GdCu2O8. Phys Rev Lett. 2004 Mar 19;92(11):117001. doi: 10.1103/PhysRevLett.92.117001. Epub 2004 Mar 19. PMID: 15089159.
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The organometallic fac-[(CO)3Mn(H2O)3]+ aquaion: base-hydrolysis and kinetics of H2O-substitution.

Inorganic chemistry

Prinz U, Koelle U, Ulrich S, Merbach AE, Maas O, Hegetschweiler K.
PMID: 15046515
Inorg Chem. 2004 Apr 05;43(7):2387-91. doi: 10.1021/ic0352809.

The novel organometallic aqua complex [(CO)(3)Mn(H(2)O)(3)](+) (1(+)) was obtained through hydrolysis of the analogous acetone complex. IR [nu(CO) = 2051, 1944 cm(-)(1)] and (17)O NMR spectroscopy revealed the presence of a fac tricarbonyl unit. Potentiometric titrations established that the...

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Prinz U, Koelle U, Ulrich S, et al. The organometallic fac-[(CO)3Mn(H2O)3]+ aquaion: base-hydrolysis and kinetics of H2O-substitution. Inorg Chem. 2004;43(7):2387-91doi: 10.1021/ic0352809.
Prinz, U., Koelle, U., Ulrich, S., Merbach, A. E., Maas, O., & Hegetschweiler, K. (2004). The organometallic fac-[(CO)3Mn(H2O)3]+ aquaion: base-hydrolysis and kinetics of H2O-substitution. Inorganic chemistry, 43(7), 2387-91. https://doi.org/10.1021/ic0352809
Prinz, Ulrich, et al. "The organometallic fac-[(CO)3Mn(H2O)3]+ aquaion: base-hydrolysis and kinetics of H2O-substitution." Inorganic chemistry vol. 43,7 (2004): 2387-91. doi: https://doi.org/10.1021/ic0352809
Prinz U, Koelle U, Ulrich S, Merbach AE, Maas O, Hegetschweiler K. The organometallic fac-[(CO)3Mn(H2O)3]+ aquaion: base-hydrolysis and kinetics of H2O-substitution. Inorg Chem. 2004 Apr 05;43(7):2387-91. doi: 10.1021/ic0352809. PMID: 15046515.
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Semifluxon molecule under control.

Physical review letters

Dewes A, Gaber T, Koelle D, Kleiner R, Goldobin E.
PMID: 19113654
Phys Rev Lett. 2008 Dec 12;101(24):247001. doi: 10.1103/PhysRevLett.101.247001. Epub 2008 Dec 09.

Josephson junctions with a phase drop of pi in the ground state allow us to create vortices of supercurrent carrying only half of the magnetic flux quantum Phi0 approximately 2.07 x 10(-15) Wb. Such semifluxons have twofold degenerate ground...

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Dewes A, Gaber T, Koelle D, et al. Semifluxon molecule under control. Phys Rev Lett. 2008;101(24):247001doi: 10.1103/PhysRevLett.101.247001.
Dewes, A., Gaber, T., Koelle, D., Kleiner, R., & Goldobin, E. (2008). Semifluxon molecule under control. Physical review letters, 101(24), 247001. https://doi.org/10.1103/PhysRevLett.101.247001
Dewes, Andreas, et al. "Semifluxon molecule under control." Physical review letters vol. 101,24 (2008): 247001. doi: https://doi.org/10.1103/PhysRevLett.101.247001
Dewes A, Gaber T, Koelle D, Kleiner R, Goldobin E. Semifluxon molecule under control. Phys Rev Lett. 2008 Dec 12;101(24):247001. doi: 10.1103/PhysRevLett.101.247001. Epub 2008 Dec 09. PMID: 19113654.
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Immunobiology of herpes simplex virus and cytomegalovirus infections of the fetus and newborn.

Current immunology reviews

Muller WJ, Jones CA, Koelle DM.
PMID: 20467462
Curr Immunol Rev. 2010;6(1):38-55. doi: 10.2174/157339510790231833.

Immunologic "immaturity" is often blamed for the increased susceptibility of newborn humans to infection, but the precise mechanisms and details of immunologic development remain somewhat obscure. Herpes simplex virus (HSV) and cytomegalovirus (CMV) are two of the more common...

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Muller WJ, Jones CA, Koelle DM. Immunobiology of herpes simplex virus and cytomegalovirus infections of the fetus and newborn. Curr Immunol Rev. 2010;6(1):38-55doi: 10.2174/157339510790231833.
Muller, W. J., Jones, C. A., & Koelle, D. M. (2010). Immunobiology of herpes simplex virus and cytomegalovirus infections of the fetus and newborn. Current immunology reviews, 6(1), 38-55. https://doi.org/10.2174/157339510790231833
Muller, William J, et al. "Immunobiology of herpes simplex virus and cytomegalovirus infections of the fetus and newborn." Current immunology reviews vol. 6,1 (2010): 38-55. doi: https://doi.org/10.2174/157339510790231833
Muller WJ, Jones CA, Koelle DM. Immunobiology of herpes simplex virus and cytomegalovirus infections of the fetus and newborn. Curr Immunol Rev. 2010;6(1):38-55. doi: 10.2174/157339510790231833. PMID: 20467462; PMCID: PMC2866044.
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Diffraction of a Bose-Einstein condensate from a magnetic lattice on a microchip.

Physical review letters

Günther A, Kraft S, Kemmler M, Koelle D, Kleiner R, Zimmermann C, Fortágh J.
PMID: 16383802
Phys Rev Lett. 2005 Oct 21;95(17):170405. doi: 10.1103/PhysRevLett.95.170405. Epub 2005 Oct 20.

We experimentally study the diffraction of a Bose-Einstein condensate from a magnetic lattice, realized by a set of 372 parallel gold conductors which are microfabricated on a silicon substrate. The conductors generate a periodic potential for the atoms with...

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Günther A, Kraft S, Kemmler M, et al. Diffraction of a Bose-Einstein condensate from a magnetic lattice on a microchip. Phys Rev Lett. 2005;95(17):170405doi: 10.1103/PhysRevLett.95.170405.
Günther, A., Kraft, S., Kemmler, M., Koelle, D., Kleiner, R., Zimmermann, C., & Fortágh, J. (2005). Diffraction of a Bose-Einstein condensate from a magnetic lattice on a microchip. Physical review letters, 95(17), 170405. https://doi.org/10.1103/PhysRevLett.95.170405
Günther, A, et al. "Diffraction of a Bose-Einstein condensate from a magnetic lattice on a microchip." Physical review letters vol. 95,17 (2005): 170405. doi: https://doi.org/10.1103/PhysRevLett.95.170405
Günther A, Kraft S, Kemmler M, Koelle D, Kleiner R, Zimmermann C, Fortágh J. Diffraction of a Bose-Einstein condensate from a magnetic lattice on a microchip. Phys Rev Lett. 2005 Oct 21;95(17):170405. doi: 10.1103/PhysRevLett.95.170405. Epub 2005 Oct 20. PMID: 16383802.
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The Mn(2+)/Mn(3+) state of La0.7Ce0.3MnO3 by oxygen reduction and photodoping.

Journal of physics. Condensed matter : an Institute of Physics journal

Thiessen A, Beyreuther E, Grafström S, Dörr K, Werner R, Kleiner R, Koelle D, Eng LM.
PMID: 24389924
J Phys Condens Matter. 2014 Jan 29;26(4):045502. doi: 10.1088/0953-8984/26/4/045502. Epub 2014 Jan 06.

Films of cerium-doped LaMnO3, which has been intensively discussed as an electron-doped counterpart to hole-doped mixed-valence lanthanum manganites during the past decade, were analyzed by x-ray photoemission spectroscopy with respect to their manganese valence under photoexcitation. The comparative analysis...

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Thiessen A, Beyreuther E, Grafström S, et al. The Mn(2+)/Mn(3+) state of La0.7Ce0.3MnO3 by oxygen reduction and photodoping. J Phys Condens Matter. 2014;26(4):045502doi: 10.1088/0953-8984/26/4/045502.
Thiessen, A., Beyreuther, E., Grafström, S., Dörr, K., Werner, R., Kleiner, R., Koelle, D., & Eng, L. M. (2014). The Mn(2+)/Mn(3+) state of La0.7Ce0.3MnO3 by oxygen reduction and photodoping. Journal of physics. Condensed matter : an Institute of Physics journal, 26(4), 045502. https://doi.org/10.1088/0953-8984/26/4/045502
Thiessen, A, et al. "The Mn(2+)/Mn(3+) state of La0.7Ce0.3MnO3 by oxygen reduction and photodoping." Journal of physics. Condensed matter : an Institute of Physics journal vol. 26,4 (2014): 045502. doi: https://doi.org/10.1088/0953-8984/26/4/045502
Thiessen A, Beyreuther E, Grafström S, Dörr K, Werner R, Kleiner R, Koelle D, Eng LM. The Mn(2+)/Mn(3+) state of La0.7Ce0.3MnO3 by oxygen reduction and photodoping. J Phys Condens Matter. 2014 Jan 29;26(4):045502. doi: 10.1088/0953-8984/26/4/045502. Epub 2014 Jan 06. PMID: 24389924.
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Network perspectives on infectious disease dynamics.

Interdisciplinary perspectives on infectious diseases

Meyers LA, Kerr B, Koelle K.
PMID: 22272198
Interdiscip Perspect Infect Dis. 2011;2011:146765. doi: 10.1155/2011/146765. Epub 2012 Jan 09.

No abstract available.

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Meyers LA, Kerr B, Koelle K. Network perspectives on infectious disease dynamics. Interdiscip Perspect Infect Dis. 2012;2011:146765doi: 10.1155/2011/146765.
Meyers, L. A., Kerr, B., & Koelle, K. (2011). Network perspectives on infectious disease dynamics. Interdisciplinary perspectives on infectious diseases, 2011146765. https://doi.org/10.1155/2011/146765
Meyers, Lauren Ancel, et al. "Network perspectives on infectious disease dynamics." Interdisciplinary perspectives on infectious diseases vol. 2011 (2011): 146765. doi: https://doi.org/10.1155/2011/146765
Meyers LA, Kerr B, Koelle K. Network perspectives on infectious disease dynamics. Interdiscip Perspect Infect Dis. 2011;2011:146765. doi: 10.1155/2011/146765. Epub 2012 Jan 09. PMID: 22272198; PMCID: PMC3261460.
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SQUID-based detection of ultra-low-field multinuclear NMR of substances hyperpolarized using signal amplification by reversible exchange.

Scientific reports

Buckenmaier K, Rudolph M, Back C, Misztal T, Bommerich U, Fehling P, Koelle D, Kleiner R, Mayer HA, Scheffler K, Bernarding J, Plaumann M.
PMID: 29044168
Sci Rep. 2017 Oct 18;7(1):13431. doi: 10.1038/s41598-017-13757-7.

Ultra-low-field (ULF) nuclear magnetic resonance (NMR) is a promising spectroscopy method allowing for, e.g., the simultaneous detection of multiple nuclei. To overcome the low signal-to-noise ratio that usually hampers a wider application, we present here an alternative approach to...

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Buckenmaier K, Rudolph M, Back C, et al. SQUID-based detection of ultra-low-field multinuclear NMR of substances hyperpolarized using signal amplification by reversible exchange. Sci Rep. 2017;7(1):13431doi: 10.1038/s41598-017-13757-7.
Buckenmaier, K., Rudolph, M., Back, C., Misztal, T., Bommerich, U., Fehling, P., Koelle, D., Kleiner, R., Mayer, H. A., Scheffler, K., Bernarding, J., & Plaumann, M. (2017). SQUID-based detection of ultra-low-field multinuclear NMR of substances hyperpolarized using signal amplification by reversible exchange. Scientific reports, 7(1), 13431. https://doi.org/10.1038/s41598-017-13757-7
Buckenmaier, K, et al. "SQUID-based detection of ultra-low-field multinuclear NMR of substances hyperpolarized using signal amplification by reversible exchange." Scientific reports vol. 7,1 (2017): 13431. doi: https://doi.org/10.1038/s41598-017-13757-7
Buckenmaier K, Rudolph M, Back C, Misztal T, Bommerich U, Fehling P, Koelle D, Kleiner R, Mayer HA, Scheffler K, Bernarding J, Plaumann M. SQUID-based detection of ultra-low-field multinuclear NMR of substances hyperpolarized using signal amplification by reversible exchange. Sci Rep. 2017 Oct 18;7(1):13431. doi: 10.1038/s41598-017-13757-7. PMID: 29044168; PMCID: PMC5647402.
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Showing 1 to 12 of 155 entries