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19992026
most citedranger: A Fast Implementation of Random Forests for High Dimensional Data in C++ and R

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16 papers · 1 filter

physics.chem-ph2025★ 4 cited

Compact magnetic field cycling system with the range from nT to 9.4 T exemplified with 13C relaxation dispersion and SABRE-SHEATH hyperpolarization

Josh P. Peters, Charbel D. Assaf, Jan-Bernd Hövener +1

We present a compact magnetic field cycling system for high-resolution NMR spectrometers. The system enables the transfer of the sample from B0 field of 9.4 T to about nT and all f…

physics.chem-ph2023★ 3 cited

Magnetization and Polarization of Coupled Nuclear Spin Ensembles

Danila A. Barskiy, Andrey Pravdivtsev

In nuclear magnetic resonance (NMR), the bulk magnetization of a sample is commonly assumed to be proportional to spin polarization, with each spin of the same type contributing eq…

physics.chem-ph2016★ 15 cited

Beyond Vibrationally Mediated Electron Transfer: Coherent Phenomena Induced by Ultrafast Charge Separation

Robert Huber, Lars Dworak, Jacques E. Moser +2

Wave packet propagation succeeding electron transfer (ET) from alizarin dye molecules into the nanocrystalline TiO2 semiconductor has been studied by ultrafast transient absorption…

physics.chem-ph2012★ 10 cited

High-spin low-spin transition

H. Grünsteudel, H. Paulsen, H. Winkler +2

Temperature dependent nuclear inelastic-scattering (NIS) of synchrotron radiation was applied to investigate both spin states of the spin-crossover complex [Fe(tpa)(NCS)(2)] (tpa =…

physics.chem-ph2012★ 7 cited

Interpretation of Mössbauer spectra in the energy and time domain with neural networks

H. Paulsen, R. Linder, F. Wagner +3

An artificial neural network for extracting reasonable and fast estimates of hyperfine parameters from Mössbauer spectra in the energy or time domain is outlined. First promising r…

physics.chem-ph2012★ 7 cited

Pressure-induced changes of the vibrational modes of spin-crossover complexes studied by nuclear resonance scattering of synchrotron radiation

A. X. Trautwein, H. Paulsen, H. Winkler +6

Nuclear inelastic scattering (NIS) spectra were recorded for the spin-crossover complexes STP and ETP (STP = [Fe(1,1,1-trisf[N-(2-pyridylmethyl)-N-methylamino]methylg- ethane)](ClO…

physics.chem-ph2012★ 7 cited

DFT Calculations as a Tool to Analyse Quadrupole Splittings of Spin Crossover Fe(II) complexes

Juliusz Adam Wolny, Hauke Paulsen, Heiner Winkler +2

Density functional methods have been applied to calculate the quadrupole splitting of a series of iron(II) spin crossover complexes. Experimental and calculated values are in reaso…

physics.chem-ph2012★ 1 cited

Tin-DNA Complexes Investigated by Nuclear Inelastic Scattering of Synchrotron Radiation

Giampaolo Barone, Lars H. Böttger, Juliusz Adam Wolny +5

Nuclear inelastic scattering (NIS) of synchrotron radiation has been used to investigate the dynamics of tin ions chelated by DNA. Theoretical NIS spectra have been simulated with…

physics.chem-ph2012★ 6 cited

Nuclear Resonance Vibrational Spectroscopy of Iron Sulfur Proteins

Alfred Xaver Trautwein, Patrick Wegner, Heiner Winkler +5

Nuclear inelastic scattering in conjunction with density functional theory (DFT) calculations has been applied for the identification of vibrational modes of the high-spin ferric a…

physics.chem-ph2012★ 3 cited

Dynamics of Metal Centers Monitored by Nuclear Inelastic Scattering

Hauke Paulsen, Patrick Wegner, Heiner Winkler +11

Nuclear inelastic scattering of synchrotron radiation has been used now since 10 years as a tool for vibrational spectroscopy. This method has turned out especially useful in case…

physics.chem-ph2012★ 59 cited

Density functional theory calculations and vibrational spectroscopy on iron spin-crossover compounds

J. A. Wolny, H. Paulsen, A. X. Trautwein +1

Iron complexes with a suitable ligand field undergo spin-crossover (SCO), which can be induced reversibly by temperature, pressure or even light. Therefore, these compounds are hig…

physics.chem-ph2012★ 1 cited

Mössbauer, nuclear inelastic scattering and density functional studies on the second metastable state of Na2[Fe(CN)5NO]2H2O

V. Rusanov, H. Paulsen, L. H. Böttger +6

The structure of the light-induced metastable state SII of Na2[Fe(CN)5NO]2H2O 14 was investigated by transmission Mössbauer spectroscopy (TMS) in the temperature range 15 be…

physics.chem-ph2012★ 111 cited

Density Functional Theory Calculations for Spin Crossover Complexes

Hauke Paulsen, Alfred Xaver Trautwein

Density functional theory (DFT) provides a theoretical framework for efficient and fairly accurate calculations of the electronic structure of molecules and crystals. The main feat…

physics.chem-ph2012★ 40 cited

Mössbauer Studies of Coordination Compounds using Synchrotron Radiation

Hauke Paulsen, Volker Schünemann, Alfred Xaver Trautwein +1

Nuclear resonant forward scattering (NFS) and nuclear inelastic scattering (NIS) of synchrotron radiation are fairly recent spectroscopic methods for the investigation of complexes…

physics.chem-ph2012★ 12 cited

Chemical Bonds and Spin State Splittings in Spin Crossover Complexes. A DFT and QTAIM Analysis

Hauke Paulsen, Juliusz Adam Wolny, Alfred Xaver Trautwein

Density functional theory (DFT) calculations have been performed for the high-spin (HS) and low-spin (LS) isomers of a series of iron(II) spin crossover complexes with nitrogen lig…

physics.chem-ph2012★ 49 cited

Substituent Effects on the Spin-Transition Temperature in Complexes with Tris(pyrazolyl) Ligands

Hauke Paulsen, Lars Duelund, Axel Zimmermann +5

Iron (II) complexes with substituted tris(pyrazolyl) ligands, which exhibit a thermally driven transition from a low-spin state at low temperatures to a high-spin state at elevated…