Search Results - "Egger, Werner"
-
1
Thin film composite membrane compaction in high-pressure reverse osmosis
Published in Journal of membrane science (01-09-2020)“…Membrane deformation under an applied hydraulic pressure, often termed compaction, is observed in almost all pressure-driven membrane processes. Most notably,…”
Get full text
Journal Article -
2
Identification of lead vacancy defects in lead halide perovskites
Published in Nature communications (22-09-2021)“…Perovskite photovoltaics advance rapidly, but questions remain regarding point defects: while experiments have detected the presence of electrically active…”
Get full text
Journal Article -
3
Reversible Optical Writing and Data Storage in an Anthracene‐Loaded Metal–Organic Framework
Published in Angewandte Chemie International Edition (18-02-2019)“…Metal–organic frameworks (MOFs) enable the design of host–guest systems with specific properties. In this work, we show how the confinement of anthracene in a…”
Get full text
Journal Article -
4
The role of MOFs in Thin-Film Nanocomposite (TFN) membranes
Published in Journal of membrane science (01-10-2018)“…Incorporation of MOFs in interfacially polymerized Thin-Film Nanocomposite (TFN) membranes has widely been shown to result in increased membrane performance…”
Get full text
Journal Article -
5
Porosimetry for Thin Films of Metal–Organic Frameworks: A Comparison of Positron Annihilation Lifetime Spectroscopy and Adsorption‐Based Methods
Published in Advanced materials (Weinheim) (01-04-2021)“…Thin films of crystalline and porous metal–organic frameworks (MOFs) have great potential in membranes, sensors, and microelectronic chips. While the…”
Get full text
Journal Article -
6
Carrier Trapping by Vacancy‐Type Defects in Mg‐Implanted GaN Studied Using Monoenergetic Positron Beams
Published in physica status solidi (b) (01-04-2018)“…Vacancy‐type defects in Mg‐implanted GaN are probed using monoenergetic positron beams. Mg+ ions are implanted to provide a 500‐nm‐deep box profile with Mg…”
Get full text
Journal Article -
7
Annealing Behavior of Vacancy‐Type Defects in Mg‐ and H‐Implanted GaN Studied Using Monoenergetic Positron Beams
Published in physica status solidi (b) (01-10-2019)“…Vacancy‐type defects in Mg‐implanted GaN with and without hydrogen (H) implantation are probed by using monoenergetic positron beams. Mg+ and H+ ions are…”
Get full text
Journal Article -
8
Electron capture by vacancy-type defects in carbon-doped GaN studied using monoenergetic positron beams
Published in Thin solid films (01-10-2017)“…Vacancy-type defects in GaN with different carbon concentrations ([C]=2×1016−1×1018cm−3) were probed using monoenergetic positron beams. 1.5-μm-thick GaN…”
Get full text
Journal Article -
9
Increasing Membrane Permeability by Increasing the Polymer Crystallinity: The Unique Case of Polythiophenes
Published in Macromolecules (11-12-2018)“…It is generally accepted in membrane technology that crystalline zones in polymeric membranes do not contribute to transport of liquids or gases. In the…”
Get full text
Journal Article -
10
Nature of the Positron State in CdSe Quantum Dots
Published in Physical review letters (02-08-2018)“…Previous studies have shown that positron-annihilation spectroscopy is a highly sensitive probe of the electronic structure and surface composition of…”
Get full text
Journal Article -
11
Four-dimensional positron age-momentum correlation
Published in New journal of physics (17-11-2016)“…We have performed first four-dimensional age-momentum correlation (4D-AMOC) measurements at a pulsed high intensity positron micro beam and determined the…”
Get full text
Journal Article -
12
Radiation Damage of Reactor Pressure Vessel Steels Studied by Positron Annihilation Spectroscopy—A Review
Published in Metals (Basel ) (01-10-2020)“…Safe and long term operation of nuclear reactors is one of the most discussed challenges in nuclear power engineering. The radiation degradation of nuclear…”
Get full text
Journal Article -
13
Non-steady diffusion and adsorption of organic micropollutants in ion-exchange membranes: effect of the membrane thickness
Published in iScience (19-02-2021)“…There is no efficient wastewater treatment solution for removing organic micropollutants (OMPs), which, therefore, are continuously introduced to the Earth's…”
Get full text
Journal Article -
14
-
15
Free volume and gas permeation in anthracene maleimide-based polymers of intrinsic microporosity
Published in Membranes (Basel) (28-05-2015)“…High free-volume copolymers were prepared via polycondensation with 2,3,5,6,-tetrafluoroterephthalonitrile (TFTPN) in which a portion of the…”
Get full text
Journal Article -
16
Toward a European Network of Positron Laboratories
Published in Nukleonika (01-12-2015)“…Some applications of controlled-energy positron beams in material studies are discussed. In porous organic polysilicates, measurements of 3γ annihilation by…”
Get full text
Journal Article -
17
Reversible Optical Writing and Data Storage in an Anthracene‐Loaded Metal–Organic Framework
Published in Angewandte Chemie (18-02-2019)“…Metal–organic frameworks (MOFs) enable the design of host–guest systems with specific properties. In this work, we show how the confinement of anthracene in a…”
Get full text
Journal Article -
18
A positron remoderator for the high intensity positron source NEPOMUC
Published in Applied surface science (31-10-2008)“…A remoderator for the high intensity positron source NEPOMUC was developed and installed at the beam facility. A beam of remoderated positrons could be…”
Get full text
Journal Article -
19
PLEPS: Pulsed low energy positron system
Published in Journal of large-scale research facilities (19-08-2015)“…PLEPS, operated by the Universität der Bundeswehr München, located at NEPOMUC, is a unique tool for depth profiling of defects with positron annihilation…”
Get full text
Journal Article -
20
A combined experimental and theoretical study of small and large vacancy clusters in tungsten
Published in Journal of nuclear materials (01-12-2022)“…Tungsten is considered to be used in the future fusion reactors as plasma-facing material. In such extreme environments, defects are induced in materials that…”
Get full text
Journal Article