نتایج جستجو برای: transition metals

تعداد نتایج: 320706  

2005
Jochen Autschbach

An overview is presented of the methodology and computations of nuclear shielding and spin–spin coupling constants of transition metal complexes. The presented material also includes an outline of relativistic approaches and their applications to heavy transition metals.

Journal: :Applied Physics Letters 2022

Spintronic terahertz (THz) emitters based on the inverse spin Hall effect in ferromagnetic/heavy metal (FM/HM) heterostructures have become important sources for THz pulse generation. The design, materials, and control of these interfaces at nanometer level vital to engineer their emission properties. In this work, we present studies optimization such structures through a multi-pronged approach...

Journal: :Metallomics : integrated biometal science 2016
Dietrich H Nies

This review tries to illuminate how the bacterium Cupriavidus metallidurans CH34 is able to allocate essential transition metal cations to their target proteins although these metals have similar charge-to-surface ratios and chemical features, exert toxic effects, compete with each other, and occur in the bacterial environment over a huge range of concentrations and speciations. Central to this...

Journal: :ACS Nano 2021

Bimetallic nanoparticles (NPs) are complex systems with properties that far exceed those of the individual constituents. In particular, association a noble metal and first-row transition attracting increasing interest for applications in catalysis, electrocatalysis, magnetism, among others. Such objects display rich structural chemistry thanks to their ability form intermetallic phases, random ...

Journal: :Angewandte Chemie 2002
Franck Gascoin Slavi C Sevov

Compared to the large number of main group Zintl compounds there are only a few that contain transition metals.[1] This is not surprising since the traditional definition of Zintl phases automatically excludes transition metals. However, many such compounds with transition metals can qualify for Zintl phases when a broader definition is used. The latter includes compounds of transition metals w...

Journal: :Odesa National University Herald. Chemistry 2016

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