English
Related papers

Related papers: Probing redox potential for Iron sulfur clusters i…

200 papers

FeS clusters are a universal biological motif. They carry out electron transfer, redox chemistry, and even oxygen sensing, in diverse processes including nitrogen fixation, respiration, and photosynthesis. The low-lying electronic states…

Chemical Physics · Physics 2015-06-22 Sandeep Sharma , Kantharuban Sivalingam , Frank Neese , Garnet Kin-Lic Chan

Solar redox flow batteries (SRFB) have received much attention as an alternative integrated technology for simultaneous conversion and storage of solar energy. Yet, the photocatalytic efficiency of semiconductor-based single photoelectrode,…

Chemical Physics · Physics 2024-08-02 Jiaming Ma , Milad Sabzehparvar , Ziyan Pan , Giulia Tagliabue

Transition-metal nanoclusters exhibit structural and electronic properties that depend on their size, often making them superior to bulk materials for heterogeneous catalysis. However, their performance can be limited by sulfur poisoning.…

Charge-transfer excitons (CTX) at organic donor/acceptor interfaces are considered important intermediates for charge separation in photovoltaic devices. Crystalline model systems provide microscopic insights into the nature of such states…

Materials Science · Physics 2021-11-19 Darius Günder , Ana M. Valencia , Michele Guerrini , Tobias Breuer , Caterina Cocchi , Gregor Witte

Iron-based chalcogenides are complex superconducting systems in which orbitally-dependent electronic correlations play an important role. Here, using high-resolution angle-resolved photoemission spectroscopy, we investigate the effect of…

Superconductivity · Physics 2017-09-13 P. Reiss , M. D. Watson , T. K. Kim , A. A. Haghighirad , D. N. Woodruff , M. Bruma , S. J. Clarke , A. I. Coldea

A new group-IV ferromagnetic semiconductor, Ge1-xFex, was successfully grown by low-temperature molecular beam epitaxy (LT-MBE) without precipitation of ferromagnetic Ge-Fe intermetallic compounds. The ferromagnetism of Ge1-xFex films was…

Materials Science · Physics 2009-11-11 Y. Shuto , M. Tanaka , S. Sugahara

Redox-based electrical conduction in nonconjugated polymers has been explored less than a decade, yet is already showing promise as a new concept for electrical energy transport. Here using monolayers and sub-monolayers of touching…

One way for solar cell efficiencies to overcome the Shockley-Queisser limit is downconversion of high-energy photons using singlet fission (SF) in polyacenes like tetracene (Tc). SF enables generation of multiple excitons from the…

Applied Physics · Physics 2018-01-31 S. W. Tabernig , B. Daiber , T. Wang , B. Ehrler

The NL-eEDM collaboration is building an experimental setup to search for the permanent electric dipole moment of the electron in a slow beam of cold barium fluoride molecules [Eur. Phys. J. D, 72, 197 (2018)]. Knowledge of molecular…

[(Li0.8Fe0.2)OH]FeS and the series [(Li0.8Fe0.2)OH]Fe(S1-xSex) (0<x<1) were synthesized by hydrothermal methods and characterized by X-ray single crystal and powder diffraction, EDX and chemical analysis. Selenium-rich compounds show the…

Superconductivity · Physics 2015-03-04 Ursula Pachmayr , Dirk Johrendt

By applying a genetic algorithm in a cascade approach of increasing accuracy, we calculate the composition and structure of MgMOx clusters at realistic temperatures and oxygen pressures. The stable and metastable systems are identified by…

Iron-sulfur clusters conduct a wide variety of biochemical reactions that are conserved across all domains of life. The hyperfine structure of reactive ligands of these clusters can be studied experimentally and theoretically by means of…

Chemical Physics · Physics 2025-08-22 William C. Robinson , Victoria Pascutti , David A. Hall , Martín A. Mosquera

Suzaku observed a central region and five offset regions within 0.2 r180 in the Fornax cluster, a nearby poor cluster, and XMM-Newton mapped the cluster with 15 pointings out to 0.3 r180. The distributions of O, Mg, Si, S, and Fe in the…

We study the electronic properties of the $\textrm{Fe}\textrm{Se}_{1-x}\textrm{Te}_x$ system ($x=0$, 0.25, 0.5, 0.75, and 1) from the perspective of X-ray spectroscopy and density functional theory (DFT). The analysis performed on the…

Superconductivity · Physics 2014-11-10 I. Perez , J. A. Mcleod , R. J. Green , R. Escamilla , V. Ortiz , A. Moewes

Low-temperature synthesis is a promising and potentially effective method for improving superconducting properties. We report on the fabrication of polycrystalline samples of SmFeAsO1-xFx with nominal x content varying in a wide range of x…

Superconductivity · Physics 2013-03-19 S. J. Singh , J. Shimoyama , A. Yamamoto , H. Ogino , K. Kishio

Recent advancements in thermogalvanic batteries offer a promising route to efficient harvesting of low-grade heat with temperatures below 100 {\deg}C. The thermogalvanic temperature coefficient {\alpha}, usually referred to as effective…

Chemical Physics · Physics 2023-01-24 Yuchi Chen , Qiangqiang Huang , Te-Huan Liu , Xin Qian , Ronggui Yang

Oxygen solubility in solid iron is extremely low, even at high pressures and temperatures. Thus far, no Fe-O compounds between Fe and FeO endmembers have been reported experimentally. We observed chemical reactions of Fe with FeO or…

Controlling the contamination of silicon materials by iron, especially dissolved interstitial iron (Fe$_{\mathrm{i}}$), is a longstanding problem with recent developments and several open issues. Among these we have the question whether…

Materials Science · Physics 2018-07-02 Paulo Santos , José Coutinho , Sven Öberg

In this study, we employ density functional theory (DFT) to investigate the structural and electronic properties B$_8$Cu$_3^-$ clusters -- boron-based frameworks doped with three copper atoms. The results indicate that the lowest-energy…

Materials Science · Physics 2025-05-22 P. L. Rodríguez-Kessler

Faradaic deionization (FDI) is a promising technology for energy-efficient water desalination using porous electrodes containing redox-active materials. Herein, we demonstrate for the first time the capability of a symmetric FDI flow cell…

Chemical Physics · Physics 2023-06-09 Vu Q. Do , Erik R. Reale , Irwin C. Loud , Paul G. Rozzi , Haosen Tan , David A. Willis , Kyle C. Smith
‹ Prev 1 2 3 10 Next ›