Thomas Gemming
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View article: Self‐Assembled Inorganic Nanomembrane Tubes: Rolled‐Up Piezoelectrics for Microacoustic Wave‐Based Actuators and Sensors
Self‐Assembled Inorganic Nanomembrane Tubes: Rolled‐Up Piezoelectrics for Microacoustic Wave‐Based Actuators and Sensors Open
Shaping piezoelectrics into innovative 3D microstructures is an emerging field, offering the potential to unlock new functionalities through topological engineering. Existing methods can create 3D piezoelectric composites and origami‐inspi…
View article: Plasma-enhanced atomic layer deposition of AlPO <sub>4</sub> /AlP <sub> <i>x</i> </sub> O <sub> <i>y</i> </sub> : comparing dual source and supercycle approaches for composition control
Plasma-enhanced atomic layer deposition of AlPO <sub>4</sub> /AlP <sub> <i>x</i> </sub> O <sub> <i>y</i> </sub> : comparing dual source and supercycle approaches for composition control Open
Two plasma-enhanced atomic layer deposition (PEALD) pathways for AlP x O y thin films are compared: a dual-source process with a new TMA-phosphine adduct yields P-doped Al 2 O 3 , and a supercycle approach using P(NMe 2 ) 3 and TMA results…
View article: Secondary electron emission from gold microparticles in a transmission electron microscope: comparison of Monte Carlo simulations with experimental results
Secondary electron emission from gold microparticles in a transmission electron microscope: comparison of Monte Carlo simulations with experimental results Open
We measure the electron beam-induced current to analyze the electron-induced secondary electron (SE) emission from micron-sized gold particles illuminated by 80 and 300 keV electrons in a transmission electron microscope. A direct comparis…
View article: In Situ Growth of Suspended Zirconene Islets Inside Graphene Pores
In Situ Growth of Suspended Zirconene Islets Inside Graphene Pores Open
Experiments using a transmission electron microscope decomposed zirconium acetylacetonate with an electron beam, forming zirconium nanoparticles on graphene. Continued electron irradiation transformed these nanoparticles into atomically th…
View article: Angle-dependent ion-beam etching of RuAl thin films for structuring GHz-frequency electronics
Angle-dependent ion-beam etching of RuAl thin films for structuring GHz-frequency electronics Open
The ruthenium aluminide (RuAl) alloy is a promising electrode material for wireless surface acoustic wave sensors working under harsh conditions at high temperatures. However, during the structuring of RuAl thin films using ion-beam etchin…
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Cover Image Open
The blending of 2D materials and polymers promote the heterosis in flexible electronics, including senses, computing, memory and logic circuits. image
View article: Boosting flexible electronics with integration of two‐dimensional materials
Boosting flexible electronics with integration of two‐dimensional materials Open
Flexible electronics has emerged as a continuously growing field of study. Two‐dimensional (2D) materials often act as conductors and electrodes in electronic devices, holding significant promise in the design of high‐performance, flexible…
View article: Study of the Long-Term High-Temperature Structural Stability of RuAl Electrodes for Microelectronic Devices
Study of the Long-Term High-Temperature Structural Stability of RuAl Electrodes for Microelectronic Devices Open
The high-temperature stability of RuAl-based electrodes for application in microelectronic devices is analyzed for long-term duration. The electrodes are prepared on Ca3TaGa3Si2O14 (CTGS) substrates using SiO2 and Al-N-O cover and barrier …
View article: Influence of magnetic field on electron beam-induced Coulomb explosion of gold microparticles in transmission electron microscopy
Influence of magnetic field on electron beam-induced Coulomb explosion of gold microparticles in transmission electron microscopy Open
In this work we instigated the fragmentation of Au microparticles supported on a thin amorphous carbon film by irradiating them with a gradually convergent electron beam inside the Transmission Electron Microscope. This phenomenon has been…
View article: Inherent Antibacterial Properties of Biodegradable FeMnC(Cu) Alloys for Implant Application
Inherent Antibacterial Properties of Biodegradable FeMnC(Cu) Alloys for Implant Application Open
[Image: see text] Implant-related infections or inflammation are one of the main reasons for implant failure. Therefore, different concepts for prevention are needed, which strongly promote the development and validation of improved materi…
View article: Corrosion behavior of an oxide nanotube-coated β-type Ti-45Nb implant alloy in a simulated inflammatory solution
Corrosion behavior of an oxide nanotube-coated β-type Ti-45Nb implant alloy in a simulated inflammatory solution Open
Oxide nanotube (ONT) layers were anodically grown on β-type Ti-45Nb and crystallized at 450°C to anatase (Ti,Nb)O2. A corrosion analysis in normal and inflammatory phosphate buffered saline (PBS) comprised electrochemical polarization stud…
View article: Modulating p-type doping of two dimensional material palladium diselenide
Modulating p-type doping of two dimensional material palladium diselenide Open
The van der Waals heterostructures have evolved as novel materials for complementing the Si-based semiconductor technologies. Group-10 noble metal dichalcogenides (e.g., PtS 2 , PtSe 2 , PdS 2 , and PdSe 2 ) have been listed into two-dimen…
View article: One and two-step electrodeposition of composite films of calcium-deficient hydroxyapatite matrix with nanoscale Ag- and Zn-based particles
One and two-step electrodeposition of composite films of calcium-deficient hydroxyapatite matrix with nanoscale Ag- and Zn-based particles Open
Altres ajuts: acords transformatius de la UAB
View article: Revealing the Impact of Polystyrene Functionalization of Au Octahedral Nanocrystals of Different Sizes on the Formation and Structure of Mesocrystals
Revealing the Impact of Polystyrene Functionalization of Au Octahedral Nanocrystals of Different Sizes on the Formation and Structure of Mesocrystals Open
The self‐assembly of anisotropic nanocrystals (stabilized by organic capping molecules) with pre‐selected composition, size, and shape allows for the creation of nanostructured materials with unique structures and features. For such a mate…
View article: Hybrid tungsten–carbon 2D nanostructures via <i>in situ</i> gasification of carbon substrates driven by ebeam irradiation of WO<sub>2.9</sub> microparticles
Hybrid tungsten–carbon 2D nanostructures via <i>in situ</i> gasification of carbon substrates driven by ebeam irradiation of WO<sub>2.9</sub> microparticles Open
Since the transmission electron microscope (TEM) has the capacity to observe the atomic structure of materials, in situ TEM synthesis methods are uniquely suited to advance our fundamental understanding of the bottom-up dynamics that drive…
View article: Aluminum based high temperature thin film electrode system for wireless sensors
Aluminum based high temperature thin film electrode system for wireless sensors Open
Self-sustained, wireless high-temperature stable sensors are developed, which are based on an aluminum alloy as the electrode metallization. Due to its cost-effectiveness accompanied by a high-temperature stability, this alloy substitutes …
View article: Revealing the impact of polystyrene-functionalization of Au octahedral nanocrystals of different sizes on formation and structure of mesocrystals
Revealing the impact of polystyrene-functionalization of Au octahedral nanocrystals of different sizes on formation and structure of mesocrystals Open
The self-assembly of anisotropic nanocrystals (stabilized by organic capping molecules) with pre-selected composition, size, and shape allows for the creation of nanostructured materials with unique structures and features. For such a mate…
View article: Raw data repository for the article: "Revealing the impact of polystyrene-functionalization of Au octahedral nanocrystals of different sizes on formation and structure of mesocrystals"
Raw data repository for the article: "Revealing the impact of polystyrene-functionalization of Au octahedral nanocrystals of different sizes on formation and structure of mesocrystals" Open
Raw data depository for the article in ChemNanoMat journal: DOI: 10.1002/cnma.202300336. Details and the file description are given in the file "Lapkin_Dataset_Info.pdf"
View article: Raw data repository for the article: "Revealing the impact of polystyrene-functionalization of Au octahedral nanocrystals of different sizes on formation and structure of mesocrystals"
Raw data repository for the article: "Revealing the impact of polystyrene-functionalization of Au octahedral nanocrystals of different sizes on formation and structure of mesocrystals" Open
Raw data depository for the article in ChemNanoMat journal: DOI: 10.1002/cnma.202300336. Details and the file description are given in the file "Lapkin_Dataset_Info.pdf"
View article: Crystal structure, synthesis and characterization of different chromium-based two-dimensional compounds
Crystal structure, synthesis and characterization of different chromium-based two-dimensional compounds Open
The field of two dimensional (2D) materials experienced a surge of discoveries after the isolation of graphene. Among these, the transition metal compounds of Molybdenum and tungsten have been the most extensively studied materials after g…
View article: Analysis and modelling of single domain core-shell (αFeNi/chromite) nanoparticles emitted during selective laser melting, and their magnetic remanence
Analysis and modelling of single domain core-shell (αFeNi/chromite) nanoparticles emitted during selective laser melting, and their magnetic remanence Open
Despite recent intense implementation of increasingly eco-friendly additive manufacturing, the properties of nanoparticulate pollutants emitted during Laser Powder Bed Fusion are still not fully understood, and have generally been overlook…
View article: Durability of TiAl based surface acoustic wave devices for sensing at intermediate high temperatures
Durability of TiAl based surface acoustic wave devices for sensing at intermediate high temperatures Open
TiAl based surface acoustic wave (SAW) devices, which offer a promising cheap and easy to handle wireless sensor solution for intermediate high temperatures up to 600 °C, were prepared and investigated with respect to their durability. To …
View article: Surface Modified β-Ti-18Mo-6Nb-5Ta (wt%) Alloy for Bone Implant Applications: Composite Characterization and Cytocompatibility Assessment
Surface Modified β-Ti-18Mo-6Nb-5Ta (wt%) Alloy for Bone Implant Applications: Composite Characterization and Cytocompatibility Assessment Open
Commercially available titanium alloys such as Ti-6Al-4V are established in clinical use as load-bearing bone implant materials. However, concerns about the toxic effects of vanadium and aluminum have prompted the development of Al- and V-…
View article: Fast synthesis of large-area bilayer graphene film on Cu
Fast synthesis of large-area bilayer graphene film on Cu Open
The attached excel file include all the source data required, including Raman spectra and mapping, electrical, TEM measurement results, and the statistical results.
View article: Additive Manufacturing of Binary Ni–Ti Shape Memory Alloys Using Electron Beam Powder Bed Fusion: Functional Reversibility Through Minor Alloy Modification and Carbide Formation
Additive Manufacturing of Binary Ni–Ti Shape Memory Alloys Using Electron Beam Powder Bed Fusion: Functional Reversibility Through Minor Alloy Modification and Carbide Formation Open
Shape memory alloys (SMAs), such as Ni–Ti, are promising candidates for actuation and damping applications. Although processing of Ni–Ti bulk materials is challenging, well-established processing routes (i.e. casting, forging, wire drawing…
View article: Strain Regulating and Kinetics Accelerating of Micro‐Sized Silicon Anodes via Dual‐Size Hollow Graphitic Carbons Conductive Additives
Strain Regulating and Kinetics Accelerating of Micro‐Sized Silicon Anodes via Dual‐Size Hollow Graphitic Carbons Conductive Additives Open
Micro‐sized silicon (µSi) anode features fewer interfacial side reactions and lower costs compared to nanosized silicon, and has higher commercial value when applied as a lithium‐ion battery (LIB) anode. However, the high localized stress …