Search Results - "KRÜGER, HELGE"
-
1
Al2O3/ZnO Heterostructure-Based Sensors for Volatile Organic Compounds in Safety Applications
Published in ACS applied materials & interfaces (29-06-2022)“…Monitoring volatile organic compounds (VOCs) in harsh environments, especially for safety applications, is a growing field that requires specialized sensor…”
Get full text
Journal Article -
2
Conversionless efficient and broadband laser light diffusers for high brightness illumination applications
Published in Nature communications (18-03-2020)“…Laser diodes are efficient light sources. However, state-of-the-art laser diode-based lighting systems rely on light-converting inorganic phosphor materials,…”
Get full text
Journal Article -
3
Effects of Lithium Polysulfides on the Formation of Solid Electrolyte Interfaces in Silicon Anodes
Published in ACS applied materials & interfaces (14-02-2023)“…Lithium-ion batteries are one of the most important energy storage devices of the future and pave the way for a greener society. In this context, the demand…”
Get full text
Journal Article -
4
Nanosensors Based on a Single ZnO:Eu Nanowire for Hydrogen Gas Sensing
Published in ACS applied materials & interfaces (14-09-2022)“…Fast detection of hydrogen gas leakage or its release in different environments, especially in large electric vehicle batteries, is a major challenge for…”
Get full text
Journal Article -
5
Single CuO/Cu2O/Cu Microwire Covered by a Nanowire Network as a Gas Sensor for the Detection of Battery Hazards
Published in ACS applied materials & interfaces (16-09-2020)“…In this study, a strategy to prepare CuO/Cu2O/Cu microwires that are fully covered by a nanowire (NW) network using a simple thermal-oxidation process is…”
Get full text
Journal Article -
6
Hierarchical self-entangled carbon nanotube tube networks
Published in Nature communications (31-10-2017)“…Three-dimensional (3D) assemblies based on carbon nanomaterials still lag behind their individual one-dimensional building blocks in terms of mechanical and…”
Get full text
Journal Article -
7
Comparison of Thermal Annealing versus Hydrothermal Treatment Effects on the Detection Performances of ZnO Nanowires
Published in ACS applied materials & interfaces (03-03-2021)“…A comparative investigation of the post-electroplating treatment influence on the gas detecting performances of single ZnO nanorod/nanowire (NR/NW), as grown…”
Get full text
Journal Article -
8
Relative Oscillation Theory, Weighted Zeros of the Wronskian, and the Spectral Shift Function
Published in Communications in mathematical physics (01-04-2009)“…We develop an analog of classical oscillation theory for Sturm–Liouville operators which, rather than measuring the spectrum of one single operator, measures…”
Get full text
Journal Article -
9
Additive Manufacturing as a Means of Gas Sensor Development for Battery Health Monitoring
Published in Chemosensors (01-09-2021)“…Lithium-ion batteries (LIBs) still need continuous safety monitoring based on their intrinsic properties, as well as due to the increase in their sizes and…”
Get full text
Journal Article -
10
Temperature-Dependent Vapor Infiltration of Sulfur into Highly Porous Hierarchical Three-Dimensional Conductive Carbon Networks for Lithium Ion Battery Applications
Published in ACS omega (03-11-2020)“…Hierarchical, conductive, porous, three-dimensional (3D) carbon networks based on carbon nanotubes are used as a scaffold material for the incorporation of…”
Get full text
Journal Article -
11
Long-time asymptotics for the Toda lattice in the soliton region
Published in Mathematische Zeitschrift (01-07-2009)“…We apply the method of nonlinear steepest descent to compute the long-time asymptotics of the Toda lattice for decaying initial data in the soliton region. In…”
Get full text
Journal Article -
12
Publisher Correction: Hierarchical self-entangled carbon nanotube tube networks
Published in Nature communications (09-01-2018)“…The original version of this Article was missing the ORCID ID of Professor Nicola Pugno.Also in the original version of this Article, the third to last…”
Get full text
Journal Article -
13
On the existence of embedded eigenvalues
Published in Journal of mathematical analysis and applications (15-11-2012)“…I relate the existence of eigenfunctions of decaying perturbations of the free Laplacian to the semi-classical behavior of the spectrum of quasi-periodic…”
Get full text
Journal Article -
14
Concentration of Eigenvalues for Skew-Shift Schrödinger Operators
Published in Journal of statistical physics (01-12-2012)“…I analyze the microscopic behavior of the eigenvalues of skew-shift Schrödinger operators, and show that their statistics must resemble the one of the Anderson…”
Get full text
Journal Article -
15
Orthogonal Polynomials on the Unit Circle with Verblunsky Coefficients defined by the Skew-Shift
Published in International mathematics research notices (01-01-2013)Get full text
Journal Article -
16
Al2O3/ZnO composite-based sensors for battery safety applications: An experimental and theoretical investigation
Published in Nano energy (01-05-2023)“…Lithium-ion batteries are vital in one of the key nanotechnologies required for the transition to a carbon-free society. As such, they are under constant…”
Get full text
Journal Article -
17
The spectrum of skew-shift Schrödinger operators contains intervals
Published in Journal of functional analysis (01-02-2012)“…I prove that the spectrum of a skew-shift Schrödinger operator contains large intervals in the semi-classical regime. In the semi-classical limit, these…”
Get full text
Journal Article -
18
On perturbations of quasiperiodic Schrödinger operators
Published in Journal of Differential Equations (01-09-2010)“…Using relative oscillation theory and the reducibility result of Eliasson, we study perturbations of quasiperiodic Schrödinger operators. In particular, we…”
Get full text
Journal Article -
19
Exponential Dynamical Localization for the Almost Mathieu Operator
Published in Communications in mathematical physics (01-09-2013)“…We prove that the exponential moments of the position operator stay bounded for the supercritical almost Mathieu operator with Diophantine frequency…”
Get full text
Journal Article -
20