activity
20082019
most citedOxygen migration during resistance switching and failure of hafnium oxide memristors

81 citations · 316 across the 16 of their papers we have counts for

collaborators

16 papers

physics.atom-ph2019★ 8 cited

Photoionization of tungsten ions: experiment and theory for W

A Müller, S Schippers, J Hellhund +3

Experimental and theoretical cross sections are reported for single-photon single ionization of W ions. Absolute measurements were conducted employing the photon-ion merged-…

physics.atom-ph2018★ 45 cited

Photoionization of metastable heliumlike C4+(1s 2s 3S1) ions: Precision study of intermediate doubly excited states

A. Müller, E. Lindroth, S. Bari +10

In a joint experimental and theoretical endeavour, photoionization of metastable C4+(1s 2s 3S1) ions via intermediate levels with hollow, double-K-vacancy configurations 2s2p, 2s3p…

physics.atom-ph2018★ 27 cited

Near-K-edge single, double, and triple photoionization of C+ ions

A. Müller, A. Borovik, T. Buhr +8

Single, double, and triple ionization of the C+ ion by a single photon have been investigated in the energy range 286 to 326 eV around the K-shell single-ionization threshold at an…

physics.atom-ph2017★ 7 cited

Single photoionization of the Zn II ion in the photon energy range 17.5 to 90.0 eV: experiment and theory

G. Hinojosa, V. T. Davis, A. M. Covington +9

Measurements of the single photoionization cross section of Cu-like Zn ions are reported in the energy (wavelength) range 17.5 eV (709 Å) to 90 eV (138 Å). The measurements on…

cond-mat.mtrl-sci2017★ 81 cited

Oxygen migration during resistance switching and failure of hafnium oxide memristors

Suhas Kumar, Ziwen Wang, Xiaopeng Huang +7

While the recent establishment of the role of thermophoresis/diffusion-driven oxygen migration during resistance switching in metal oxide memristors provided critical insights requ…

physics.atom-ph2017★ 9 cited

Photoionization of tungsten ions: experiment and theory for W

A Müller, S Schippers, J Hellhund +3

Experimental and theoretical results are reported for single-photon single ionization of the tungsten ion W. Absolute cross sections have been measured employing the photon-…

physics.atom-ph2015★ 1 cited

Photoionization of tungsten ions: experiment and theory for W and W

B M McLaughlin, C P Ballance, S Schippers +4

Experimental and theoretical results are reported for single-photon single ionization of W and W tungsten ions. Experiments were performed at the photon-ion merged-be…

physics.atom-ph2015★ 26 cited

Single-photon single ionization of W ions: experiment and theory

A. Müller, S. Schippers, J. Hellhund +5

Experimental and theoretical results are reported for photoionization of Ta-like (W) tungsten ions. Absolute cross sections were measured in the energy range 16 to 245 eV emp…

physics.atom-ph2014★ 14 cited

Stepwise contraction of the nf Rydberg shells in the 3d photoionization of multiply-charged xenon ions

S. Schippers, A. Borovik, T. Buhr +8

Triple photoionization of Xe3+, Xe4+ and Xe5+ ions has been studied in the energy range 670-750 eV, including the 3d ionization threshold. The photon-ion merged-beam technique was…

physics.atom-ph2014★ 6 cited

Valence-shell single photoionization of Chlorine-like K ions: Experiment and Theory

G. A. Alna'Washi, M. Lu, M. Habibi +6

The absolute single photoionization cross-section was measured for Cl-like K over the photon energy range from 44.2 - 69.7 eV at a constant energy resolution of 0.045 eV. Th…

physics.atom-ph2012★ 28 cited

Valence-shell single photoionization of Kr ions: Experiment and Theory

G. Hinojosa, A. M. Covington, G. A. Alna'Washi +10

Photoionization of Kr ions was studied in the energy range from 23.3 eV to 39.0 eV at a photon energy resolution of 7.5 meV. Absolute measurements were performed by merging bea…

astro-ph.EP2012★ 10 cited

State-resolved valence shell photoionization of Be-like ions: experiment and theory

A Müller, S Schippers, R. A. Phaneuf +5

High-resolution photoionization experiments were carried out using beams of Be-like C, N, and O ions with roughly equal populations of the S ground-state a…

physics.atom-ph2010★ 22 cited

Experimental Photoionization Cross-Section Measurements in the Ground and Metastable State Threshold Region of Se+

N. C. Sterling, D. A. Esteves, R. C. Bilodeau +4

Absolute photoionization cross-section measurements are reported for Se+ in the photon energy range 18.0-31.0 eV, which spans the ionization thresholds of the 4S_{3/2} ground state…

astro-ph.GA2010★ 9 cited

New Atomic Data for Trans-Iron Elements and Their Application to Abundance Determinations in Planetary Nebulae

N. C. Sterling, M. C. Witthoeft, D. A. Esteves +6

[Abridged] Investigations of neutron(n)-capture element nucleosynthesis and chemical evolution have largely been based on stellar spectroscopy. However, the recent detection of the…

astro-ph2008★ 22 cited

Improved Neutron-Capture Element Abundances in Planetary Nebulae

N. C. Sterling, H. L. Dinerstein, S. Hwang +11

Spectroscopy of planetary nebulae (PNe) provides the means to investigate s-process enrichments of neutron(n)-capture elements that cannot be detected in asymptotic giant branch (A…

cond-mat.supr-con2008★ 1 cited

Observation of Spin Fluctuations in a High-Tc Parent Compound Using Resonant Inelastic X-ray Scattering

B. Freelon, P. G. Medaglia, A. Tebano +12

We report the first observation of soft-x-ray scattering from spin fluctuations in a high-Tc parent compound. An antiferromagnetic charge transfer insulator, CaCuO2, was irradiated…