English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

A technique for preparing spherical niobium samples of high purity is described. The preparation of tunneling junctions starts from such spheres. The influence of temperature gradients during a heat treatment on the sample purity is discussed.

zeitschrift für naturforschung a

Einfluß des Präparationsverfahrens auf das Restwiderstandsverhältnis kleiner Niobkugeln/ The Influence of Preparation on the Residual Resistivity Ratio of Small Spherical Niobium Samples