Publications (8)
Non-Fermi-liquid scattering rates and anomalous band dispersion in ferropnictides
J. Fink, A. Charnukha, E. D. L. Rienks +13
Angle-resolved photoemission spectroscopy (ARPES) is used to study the band dispersion and the quasiparticle scattering rates in two ferropnictides systems. Our ARPES results show…
Electronic structure and quantum criticality in Ba(FeCoMn)As, an ARPES study
E. D. L. Rienks, T. Wolf, K. Koepernik +8
We used angle-resolved photoemission spectroscopy (ARPES) and density functional theory calculations to study the electronic structure of Ba(Fe1-x-yCoxMny)2As2 for x=0.06 and 0<=y…
Ultrafast molecular orbital tomography of a pentacene thin film using time-resolved momentum microscopy at a free-electron laser
K. Baumgärtner, M. Reuner, C. Metzger +19
We use time-resolved momentum microscopy at a free-electron laser (FEL) and extend orbital tomography into the time domain to image the electronic wave functions of excited molecul…
High- field-effect transistor with copper-phthalocyanine
F. Roth, M. Huth
The use of SrTiO dielectrics as high-permittivity insulator in organic thin film field effect transistors (FET) is evaluated. Field-effect transistors with sputtered SrTiO…
New insight into the physics of iron pnictides from optical and penetration depth data
S. -L. Drechsler, H. Rosner, M. Grobosch +12
We report theoretical values for the unscreened plasma frequencies Omega_p of several Fe pnictides obtained from DFT based calculations within the LDA and compare them with experim…
Lifetime of quasi-particles in the nearly-free electron metal Sodium
D. V. Potorochin, R. Kurleto, O. J. Clark +8
We report a high-resolution angle-resolved photoemission (ARPES) study of the prototypical nearly-free-electron metal sodium. The observed mass enhancement is slightly smaller than…
Transverse resonance island buckets for synchrotron-radiation based electron time-of-flight spectroscopy
T. Arion, W. Eberhardt, J. Feikes +13
At the Metrology Light Source (MLS), the compact electron storage ring of the Physikalisch-Technische Bundesanstalt (PTB) with a circumference of 48\,m, a specific operation mode w…
The high-energy anomaly in ARPES spectra of the cuprates-many body or matrix element effect?
E. D. L. Rienks, M. Ãrrälä, M. Lindroos +5
We used polarization-dependent angle-resolved photoemission spectroscopy (ARPES) to study the high-energy anomaly (HEA) in the dispersion of Nd2-xCexCuO4, (x=0.123). We have found…