• The techniques used for material characterization were scanning electron microscopy (SEM), optical microscopy (OM) and X-ray diffraction. (typeset.io)
  • The crystal structure, phase purity, elemental composition, and formation of α-Fe 2 O 3 were confirmed by X-ray diffraction (XRD), photoluminescence (PL), X-ray photoelectron spectroscopy (XPS), Raman spectroscopy, energy-dispersive X-ray spectroscopy (EDS), and scanning electron microscopy (SEM). (psu.edu)
  • Biofilms were formed in a 96-well static microplate model and assayed using both tetrazolium-salt reduction and crystal violet assays, as well as examination by scanning electron microscopy. (who.int)
  • In situ NMR and electrochemical quartz crystal microbalance techniques reveal the structure of the electrical double layer in supercapacitors. (patrice-simon.fr)
  • Electrochemical quartz crystal microbalance (EQCM) experiments were achieved to characterize ion adsorption in porous carbide-derived carbons under polarization, in 2M EMI+,TFSI- in acetonitrile electrolyte. (patrice-simon.fr)
  • This technique is also applied to obtain a depth profile of a layered battery cathode - initially comprising lithium-nickel-manganese-oxide and lithium-titanium-oxide - after ex situ electrochemical cycling. (uni-marburg.de)
  • Ex situ observations of changes in the crystal structure and chemistry have proven useful for understanding the structure and property relationships.3 However, the dynamic nature of the atomic process of electrochemical cycling requires in situ methods with the ability to image atomic transport directly, as well as chemical reactions at the nanometer scale. (ibook.pub)
  • Recently, there have been several in situ transmission electron microscopy (TEM) studies on LIBs.6-20 This technique, combined with x-ray spectroscopy and/or electron energy-loss spectroscopy (EELS), has the unique merit of directly imaging and analyzing the electrochemical process and the chemical state of the ions, with a subnanometer spatial resolution, in real time. (ibook.pub)
  • However, the current techniques for in situ TEM studies of lithiation and a) Address all correspondence to this author. (ibook.pub)
  • Denna avhandling är del av Röntgen-Ångström projektet HEXCHEM (In situ High Energy X-ray Diffraction from Electrochemical interfaces). (lu.se)
  • These ions migrate into the crystal structure of the OECT, causing the channel to be in a low-conductance state. (techietonics.com)
  • In the processing mode, the crystal structure of the OECT can "trap" the ions, maintaining the channel in a high-conductance state. (techietonics.com)
  • it is a technique used to selectively remove material from the device by bombarding it with ions in a low-pressure plasma environment. (techietonics.com)
  • The presence of Na ions on both sites enables lower energy barriers for Na-ions diffusion as demonstrated by electrochemical impedance and muon-spin relaxation spectroscopies. (marcoamores.com)
  • High-rate charging is also possible using thin film lithium-ion batteries due to the short distance lithium ions must intercalate during the charging process.In this thesis, an aerosol chemical vapor deposition (ACVD) technique is used to synthesize structured, single-crystal thin-film battery electrodes in a single-step process that operates at atmospheric pressure. (wustl.edu)
  • The presented results of the investigations of the optical and electrochemical properties indicate the possibility of intercalation of layered GaSe crystals with nickel ions. (edu.ua)
  • Researchers used the Advanced Light Source (ALS) to quantify a strong, beneficial, and reversible (over hundreds of cycles) chemical reaction involving oxygen ions in the crystal lattice of battery electrode materials. (lbl.gov)
  • The α-Fe 2 O 3 photoanodes were further characterized for their photoelectrochemical (PEC) properties along with electrochemical impedance spectroscopy (EIS) analysis. (psu.edu)
  • The crystal structure, chemical composition, optical properties, and interior morphology of the materials were probed by X-ray diffraction, Raman spectroscopy, UV-visible spectrometry, and transmission electron microscopy techniques. (edu.hk)
  • We employ a multi-faceted approach with electrochemistry, laboratory and synchrotron diffraction, computation, and a variety of solid state NMR techniques to probe these materials in an effort to understand the fundamental mechanism and properties that lead to high-rate bulk energy storage. (cam.ac.uk)
  • The work has involved a wide range of characterisation techniques including electrochemistry, x-ray and neutron diffraction, x-ray absorption spectroscopy, muon spin relaxation and DFT calculations to shed light into the intercalation mechanism and electronic structures. (marcoamores.com)
  • X-ray diffraction (XRD) was used to analyze the crystal structure of the films. (hindawi.com)
  • First, they studied the composition, crystal structure, electron distribution, and particle morphologies of Mg 1.33 V 1.67−x Mn x O 4 compounds using X-ray diffraction and absorption, as well as transmission electron microscopy. (autotech.news)
  • Our laboratory has worked to elucidate the phase transition mechanism of LiFePO4, a typical cathode material, by utilizing electrochemical measurements and operand X-ray absorption spectroscopy and X-ray diffraction measurements (Chem. (kyoto-u.ac.jp)
  • Final decomposition to a mixture of oxides occurred only above 600 degrees C. It was also possible to obtain the crystalline compounds Na2K(Bmim)(2)[PW11O39Co(H2O)]center dot 7.5H(2)O and Na(Bmim)(4)[PW11O39Co(H2O)]center dot 2H(2)O and determine their structures by single crystal X-ray diffraction. (ua.pt)
  • Dental enamel is composed of a huge number of highly mineralized prisms, and its hardness is due to a high percentage of inorganic matrix (95%) made of hydroxyapatite crystals (calcium phosphate) and low percentage of organic protein nature matrix (0.36 to 2%) together with polysaccharides 1 . (bvsalud.org)
  • The obtained results from immobilization of hydrogenases on the surface of electrodes have demonstrated the viability of incorporating these enzymes in electrochemical cells, due to their ability to produce gaseous hydrogen through a redox reaction. (wikipedia.org)
  • We are also developing computational methods to probe structure in porous carbon electrodes. (cam.ac.uk)
  • In this work, freeze casting technique was employed to obtain 3D porous LLZO solid-electrolyte scaffolds that were infiltrated with NMC-622 cathode material to form thick composite electrodes for all-solid-state batteries. (marcoamores.com)
  • An electrochemical cell consists of two electrodes and an electrolyte that exists between the two electrodes. (kyoto-u.ac.jp)
  • Chemical reactions involving manganese (Mn) and oxygen (O) in the crystal lattice of battery electrodes were quantified independently using an advanced spectroscopy technique. (lbl.gov)
  • The introduction is followed by a basic discussion of surface structure, adsorption, surface reactions, and crystal growth. (lu.se)
  • the description of surface structures, adsorption at surfaces, and alloys. (lu.se)
  • Understanding such mechanisms is of high importance since it would provide guidelines for preparing porous carbon with optimized structure for designing high energy density supercapacitors. (patrice-simon.fr)
  • Electrode materials, as pivotal components of supercapacitors, play an important role in electrochemical performance. (journaltocs.ac.uk)
  • We are developing the electrochemical form of atomic layer epitaxy (ALE) or atomic layer deposition (ALD). (uga.edu)
  • Electrochemical surface limited reactions are generally referred to as underpotential deposition, or UPD. (uga.edu)
  • In electrochemical ALE (EC-ALE), the solution is then exchanged for one containing a precursor to the second element, and from which an atomic layer of it is deposited at a controlled potential, completing the deposition of one monolayer of the compound. (uga.edu)
  • This technique allows for controlled deposition of the material onto the OECT structure. (techietonics.com)
  • Low cost, convenience, and the ability to work at low temperatures have made electro-deposition one of the more favorable techniques to synthesize coatings [ 6 ]. (hindawi.com)
  • For producing metallic (Co, Ni, Co, Pt, Au, etc.) nanowires and nanotubes with various functionalities (e.g. fer-romagnetic, Tip Enhanced Raman Scattering, etc.) we use electrochemical deposition process inside high as-pect ratio membrane templates (Anodic Alumina Oxide or polycarbonate). (empa.ch)
  • We control the main growth pa-rameters during the deposition in order to tailor crystal structure and morphology of the metallic nanostruc-tures. (empa.ch)
  • This book focuses on emerging techniques in heterogeneous catalysis, from new methodology for catalysts design and synthesis, surface studies and operando spectroscopies, ab initio techniques, to critical catalytic systems as relevant to energy and the environment. (researchandmarkets.com)
  • This discovery, which defies previous theories, holds significant potential for advancing the hydrogen economy by replacing costly and environmentally harmful catalysts and membranes with sustainable 2D crystals. (cesarharada.com)
  • H2 In the field of hydrogen production, the incorporation of chemical compounds in electrochemical devices to produce molecular hydrogen has been a topic of huge interest in the recent years due to the possibility of using hydrogen as a replacement of the fossil fuels as an energetic carrier. (wikipedia.org)
  • He is also active member in various Academic/Professional organizations: Chemical Society of Japan, Electrochemical Society of Japan, Japan Society of Vacuum and Surface Science, Catalyst Society of Japan, Surface Finishing Society of Japan, Japanese Society for Synchrotron Radiation Research, Japanese Society for Neutron Science, International Electrochemical Society, Electrochemical Society, and La Societe Franco-Japonaise des Techniques Industrielles. (ukm.my)
  • Tailoring their chemical composition affords both a redox-active anode using W6+ cations and a solid-state electrolyte with high electrochemical stability and compatibility with metallic Li by introducing Te6+. (marcoamores.com)
  • The motivating philosophy of the graduate program is to provide the student with a broad knowledge in theoretical and experimental techniques to ensure that students graduate with the skills necessary for professional research and teaching in the chemical engineering field. (stonybrook.edu)
  • By photoemission spectroscopy (XPS), scanning tunneling microscopy/spectroscopy (STM/STS), temperature programmed desorption/reaction (TPD/TPR) and density functional theory calculations (DFT), chemical reactions and diffusion processes during the formation of interfaces/interphases, and their electronic structures are investigated. (uni-marburg.de)
  • These materials store charge in their chemical structure without undergoing substantial structural change, making them comparatively long-lived and safe. (greencarcongress.com)
  • This electrochemical cell can be used to convert electrical and chemical energy with high efficiency. (kyoto-u.ac.jp)
  • Dr. Lozada-Hidalgo said, "Exploiting the catalytic activity of ripples and wrinkles in 2D crystals is a fundamentally new way to accelerate ion transport and chemical reactions. (cesarharada.com)
  • Theoretical Chemistry involves the development of new mathematical models to describe the properties of molecules, using techniques from quantum mechanics, statistical mechanics, and chemical dynamics. (gatech.edu)
  • Assuming that enamel is mainly composed by calcium, phosphorus, oxygen and carbon Ca10(PO4)6(OH)2, in vitro assays designed to identify these components are desirable to reveal possible alterations of enamel's chemical structure. (bvsalud.org)
  • Prof. Unwin commented: "These results showcase SECCM, developed in our lab, as a powerful technique to obtain microscopic insights into electrochemical interfaces, which opens up exciting possibilities for the design of next-generation membranes and separators involving protons. (cesarharada.com)
  • Surfaces and interfaces play a central role in a variety of modern technologies spanning from heterogenous catalysis, corrosion, electrochemical processes, printing, dyeing, and adhesion. (lu.se)
  • He received the Nobel Prize in Chemistry for discovering quasicrystals, a crystal with five-fold symmetry that was thought to be impossible. (nobelprize.org)
  • In our research, we use electrochemical means to create well-ordered nanostructured materials, compact layers and microdevic-es, featuring exquisitely defined geometry, controlled surface chemistry, and tunable physical/mechanical properties. (empa.ch)
  • Students in the HS group will engage in synthetic organic/inorganic chemistry and develop familiarity with a range of spectroscopic, electrochemical, crystallographic, and magnetic techniques. (hernandezsanchezgroup.org)
  • In this laboratory, based on electrochemistry, we are developing new functional materials, elucidating reactions, and improving the performance of electrochemical devices based on the development of new functional materials, based on inorganic and organic functional material chemistry, energy chemistry, and other fields. (kyoto-u.ac.jp)
  • In our group, in order to elucidate the cause of the reaction resistance at the electrode / solid electrolyte interface, we constructed a model interface of the positive electrode / sulfide solid electrolyte, and made full use of the electrochemical chemistry measurement and the angle-resolved XAFS method. (kyoto-u.ac.jp)
  • Research topics include improved molecular dynamics and Monte Carlo simulations, efficient quantum dynamics techniques, electronic structure methods that yield a deeper understanding of intermolecular forces, and the incorporation of machine learning in theoretical chemistry. (gatech.edu)
  • Conventional wisdom had held that involving oxygen in a battery's electrochemical operation spontaneously triggers irreversible oxygen losses and parasitic surface reactions, reducing reversibility and safety. (lbl.gov)
  • Recently however, the idea emerged that reactions involving lattice oxygen (i.e., oxygen that's part of the crystal-lattice structure vs oxygen on the surface) could be useful for improving battery capacity. (lbl.gov)
  • Researchers from ETH Zurich and the Paul Scherrer Institute have visualized and quantified the origins and evolution of this electrochemical and mechanical degradation of Li-ion batteries during battery operation using high-resolution 3D movies recorded using using x-ray tomography at the Swiss Light Source. (greencarcongress.com)
  • To better understand this complex electrochemical and mechanical degradation of the electrode and to gain insight into how to develop better batteries, Martin Ebner, a PhD student at ETH and ETH Professor Vanessa Wood, head of the Laboratory for Nanoelectronics at D-ITET, recognized the need to study a battery electrode non-invasively during operation. (greencarcongress.com)
  • SOARES et and electrochemical degradation - caused by al. (bvsalud.org)
  • These techniques enable the potential for large-scale fabrication of the device. (techietonics.com)
  • All compounds were characterized by spectroscopic and analytical techniques. (ua.pt)
  • Today Shechtman's research interests are centered on developing, studying and understanding the structure, mechanical properties and bio-corrosion of new magnesium alloys. (nobelprize.org)
  • The process produces carbon elastomer with a unique combination of microporosity, electrochemical and mechanical properties. (patrice-simon.fr)
  • Lithium-ion batteries using Sn S2@MWCNT nanostructures as anode materials have an impressive electrochemical performance. (iberocruceros.com)
  • For general interest, it is necessary to develop an inexpensive and easily applied approach, which allows observation of the electrochemical reaction in real time. (ibook.pub)
  • What is the technique used to inhibit corrosion on buried or immersed structures by supplying an electrical charge that suppresses the electrochemical reaction? (trivai.app)
  • We also report our preliminary studies on the use of freeze tape casting technique to prepare LLZO solid electrolyte-NMC cathode composites. (marcoamores.com)
  • Today his research interests are centered on studying the structure and properties of new magnesium alloys. (nobelprize.org)
  • Furthermore, non-linear properties of ceramic materials will be discussed using matrix and Tensor method in correlation with crystal symmetry. (iitk.ac.in)
  • We are interested in materials and structures whose properties can be tuned or optimized by variations in size, geometry, crystallinity, composition or surface. (empa.ch)
  • published 12 February 2008͒ We report the experimental and theoretical results on the anisotropies in the magnetic properties and x-ray absorption spectra of single-crystal LiFePO4. (fliphtml5.com)
  • Next, the researchers conducted a series of electrochemical measurements to evaluate the battery performance of Mg 1.33 V 1.67−x Mn x O 4 , using different electrolytes and testing the resulting charge/discharge properties at various temperatures. (autotech.news)
  • It appears that the particularly stable crystal structure along with a large amount of charge compensation by vanadium leads to the superior charge-discharge properties we observed for Mg 1.33 V 1.57 Mn 0.1 O 4 , " remarks Prof. Idemoto. (autotech.news)
  • In the case of soft colloidal crystal and inverted structures, which are also referred to as polymeric opals, external triggers additionally lead to a remarkably fast and reversible change of their intriguing optical properties, which could be easily processed to films or 3D printed complex objects. (uni-freiburg.de)
  • 1. explain how structure and properties are different from for surfaces as compared to the bulk. (lu.se)
  • The researchers utilized a series of straightforward and cost-effective techniques and processes to manufacture their organic electrochemical transistor (OECT) array. (techietonics.com)
  • Now, Purdue University innovators have created a hybrid technique to fabricate a new form of nickel that may help the future production of life-saving medical devices, as well as hightech devices and vehicles with strong corrosion-resistant protection. (medicaldesignbriefs.com)
  • We developed a hybrid technique to create nickel coatings with twin boundaries that are strong and corrosion-resistant," says Xinghang Zhang, a professor of materials engineering in Purdue's College of Engineering. (medicaldesignbriefs.com)
  • Using ultra-high spatial resolution measurements, they conclusively demonstrated that perfect graphene crystals indeed allow proton transport. (cesarharada.com)
  • Electrochemical storage solutions, such as lithium-ion batteries, provide robust energy storage that is not limited by location with a range of power and energy densities. (wustl.edu)
  • In the current study, organic electrochemical transistor (OECT), developed by researchers can simultaneously function as both a sensor and a processor, added Prof. Wei Ma. (techietonics.com)
  • With the help of these techniques, researchers were able to develop their OECT array in a cost-effective manner and on a large scale. (techietonics.com)
  • The solution of the researchers at Purdue is to use a single crystal substrate as a growth template in conjunction with a designed electrochemical recipe to promote the formation of twin boundaries and inhibit the formation of conventional grain boundaries. (medicaldesignbriefs.com)
  • Accordingly, the researchers characterized the synthesized cathode materials using a wide variety of standard techniques. (autotech.news)
  • To arrive at their conclusions, the researchers employed scanning electrochemical cell microscopy (SECCM). (cesarharada.com)
  • This technique allowed them to measure tiny proton currents in nanometer-sized regions, allowing the researchers to visualize the spatial distribution of proton currents through graphene membranes. (cesarharada.com)
  • For tailoring the nanostructures and the growth mechanism, organic molecules can be added to the electrochemical bath. (empa.ch)
  • Functional porous nanostructures obtained by block copolymer self-assembly as well as recentadvances in inverse opal films prepared by using the so-called melt-shear organization technique will be highlighted and discussed in more detail. (uni-freiburg.de)
  • Molecular crystal structures of ( left ) a tubularene , ( middle ) anion-hosted within a fluorocage , and ( right ) square planar Cu 4 cluster . (hernandezsanchezgroup.org)
  • A mean-field theory is developed to explain the observed strong anisotropies in Lande g-factor, paramagnetic Curie temperature, and effective moment for LiFePO4 single crystals. (fliphtml5.com)
  • These alloys have important applications as biodegradable implants such as stents and surgical staples, as well as structural materials for aerospace and other light structures. (nobelprize.org)
  • This technique is commonly employed for depositing metals or organic materials onto the OECT structure. (techietonics.com)
  • This review may inspire more insightful works and enlighten other electrochemical areas concerning Mo-based materials. (journaltocs.ac.uk)
  • The dynamics during electrochemical cycling and Li transport in these materials are of great importance in determining failure mechanisms and suggesting modifications for improved performance. (ibook.pub)
  • The insights gleaned from the work provide the basis for developing new electrode materials and electrode structures that are tolerant to volume expansion. (greencarcongress.com)
  • Application areas span many topics ranging from electrochemical energy storage, charge and energy transport in correlated materials, light-matter interactions, and how non-covalent interactions influence drug binding, biomolecular structure, and crystal packing. (gatech.edu)
  • While this system offered high theoretical capacity, more details about its structure, cyclability, and cathode performance needed to be analyzed to understand its practical utility. (autotech.news)
  • EC-ALE provides much increased control over deposit structure, morphology, and composition, by having separately optimized solutions and potentials for each element. (uga.edu)
  • The applied potential, pH, temperature, and current all play a role in determining the morphology, structure, and composition of the coatings [ 6 - 8 ]. (hindawi.com)
  • We have invented a shell-isolated nanoparticle-enhanced Raman spectroscopy (SHINERS) technique, using Au-core silica-shell nanoparticles (Au@SiO 2 NPs), which makes SERS universally applicable to surfaces with any composition and any morphology. (nature.com)
  • In our research group, we will clarify the electronic structure change of oxygen during charge and discharge by utilizing operando analysis that combines electrochemical measurement and synchrotron radiation measurement as shown in the figure, and clarify the design guideline for high capacity positive electrode material. (kyoto-u.ac.jp)
  • The second major topic is dedicated to the behavior of purposively designed terminal oligophenylene dibromides on the flat hexagonal single crystal surfaces of copper and silver. (uni-marburg.de)
  • It then describes how to apply SHINs to Pt and Au single-crystal surfaces with different facets in an electrochemical environment, on Si wafer surfaces adsorbed with hydrogen, on ZnO nanorods, and on living bacteria and fruit. (nature.com)
  • Using a technique called scanning electrochemical cell microscopy, they observed that protons not only move through the graphene crystal but also accelerate around its nanoscale wrinkles. (cesarharada.com)
  • Due to this disparity, there was a theory suggesting that protons might be permeating through tiny holes, or pinholes, in the graphene structure rather than the crystal lattice itself. (cesarharada.com)
  • In a surprising twist, they also found that protons are strongly accelerated around nanoscale wrinkles and ripples present in the graphene crystal. (cesarharada.com)
  • Replacing these with sustainable 2D crystals like graphene could play a pivotal role in advancing green hydrogen production, subsequently reducing carbon emissions and aiding the shift towards a Net Zero carbon environment. (cesarharada.com)
  • However, no such concentrated currents were observed, debunking the theory about holes in the graphene structures. (cesarharada.com)
  • Dr. Segun Wahab and Dr. Enrico Daviddi, the lead authors of the study, expressed their astonishment at the absence of defects in the graphene crystals, stating, "We were surprised to see absolutely no defects in the graphene crystals. (cesarharada.com)
  • The scientists found that this arises because the wrinkles effectively 'stretch' the graphene lattice, thus providing a larger space for protons to permeate through the pristine crystal lattice. (cesarharada.com)
  • Currently, we study a new electron assisted growth technique and until now we studied stacked graphene (Gr) / hexagonal boron nitride (h-BN) heterostructures using a wide range of electron-based techniques (STM, LEED, ARPES, XPS, LEEM). (lu.se)
  • Another technique is to add hydrogen sulfide through the tin (IV) salts or in the tin (IV) salt solution, and then make it precipitate. (iberocruceros.com)
  • It is an yellow hexagonal flake that has an CdI2 Crystal structure. (iberocruceros.com)
  • Since these square, pentagonal and heptagonal shapes are not fully compatible with the hexagonal motive of the oligophenylene monomers, they exhibit strained geometries leading to modified electronic structures. (uni-marburg.de)
  • The experimental method is a three-dimensional imaging technique using a time-of-flight spectroscopy with multiparticle position sensitive detection. (lu.se)
  • Radio frequency identification (RFID) tags for the development of smart environments, more commonly termed "internet of things", cell phones or laptops are examples of electronic devices that need high performance miniaturized electrochemical storage devices able to deliver energy from their environment. (patrice-simon.fr)
  • It is found to have an excellent electrochemical performance when used as the negative electrode of the lithium Ion battery. (iberocruceros.com)
  • The unique nickel in a single-crystal-like form contains high-density ultrafine twin structure but few conventional grain boundaries. (medicaldesignbriefs.com)
  • UV- and electron beam lithography in combination with electrodeposition of nanocrystalline Nickel is today the only established technique to synthesize metallic MEMS and watch parts. (empa.ch)
  • Such polymers are capable of changing their conformation, solubility, or they can even break or form covalent bonds upon a change of temperature or pH value, upon light irradiation, by using electrochemical stimuli or by the presence of an electrical or magnetic field, or by combinations thereof. (uni-freiburg.de)
  • These structures represent the three general research areas currently under investigation in the HSG. (hernandezsanchezgroup.org)
  • Nowadays this approach has received a big impulse due to the availability of high-resolution crystal structures of several hydrogenases obtained with different techniques. (wikipedia.org)
  • it's a technique in which a material is heated to a high temperature, causing it to vaporize and deposit onto a substrate to form a thin film. (techietonics.com)
  • The Purdue technique involves a process where high-yield electrodeposition is applied on certain conductive substrates. (medicaldesignbriefs.com)
  • Ntera's high-contrast displays, such as the one in this alarm clock, could soon replace many of the liquid-crystal displays found in homes and offices. (ieee.org)
  • Electrochemical formation of wires or clusters, becomes relatively easy with a template. (uga.edu)
  • We first sought to assess biofilm formation and structure in these fks1 mutants and found that the biofilm mass and metabolic activities were reduced in most of the fks1 mutants as compared with reference strain SC5314. (who.int)
  • Microdevices, shapes and intrinsic structures are tai-lored during the electrodeposition process. (empa.ch)
  • In the present work, α-Fe 2 O 3 thin film photoanodes were fabricated using a cost-effective and straightforward electrodeposition technique. (psu.edu)
  • The analyses showed that Mg 1.33 V 1.67−x Mn x O 4 has a spinel structure with a remarkably uniform composition. (autotech.news)
  • In consequence of intercalation of nickel in GaSe crystal at T  293 K, occurred ncreases in the energy position of the exciton peak Eeks 6 meV (from 2.008 to 2.014 eV) and the half-width of the exciton absorption bands of H by 5.2 meV. (edu.ua)
  • Journal of the Electrochemical Society. (lu.se)
  • This finding was unexpected and contradicted theoretical predictions which suggested that it would take billions of years for a proton to pass through graphene's dense crystalline structure. (cesarharada.com)
  • To understand why, they analyzed the local structure near the vanadium atoms in the material. (autotech.news)
  • Several techniques are used for analyzing the quality of the treated material. (universitywafer.com)
  • Time-of-flight secondary ion mass spectrometry (ToF-SIMS) is a powerful analytical technique whose application has great potential for battery research and that today is not used at its full potential. (aip.org)
  • He pioneered an electrochemical technique to slice powders produced by rapid solidification into thin sheets that he could study with the TEM. (nobelprize.org)
  • During this study he discovered the icosahedral phase which opened the new field of quasiperiodic crystals. (nobelprize.org)
  • In the project they use a literature survey combined with discussions with the supervisor to study a particular field/technique within surface science studies. (lu.se)
  • Imaging of molecules is a powerful technique for understanding how molecules respond to photoionization or photoexcitation. (lu.se)
  • Upon further annealing, the metal is eliminated and entirely organic covalent structures are formed on the surface in analogy to the Ullmann coupling. (uni-marburg.de)
  • Electrochemical devices, such as lithium-ion secondary batteries and fuel cells, are expected to play a major role in solving environmental and energy problems in the future, such as power supplies for vehicles and other mobile media, and their use in the full-scale spread of smart grids. (kyoto-u.ac.jp)
  • This process closely mimics the charging process of an electrochemical battery charge cycle, without an external power supply. (ibook.pub)