NDLI: Measurement and correlation of optical and TEM twins in Y/sub 1/Ba/sub 2/Cu/sub 3/O/sub 7- delta /

Content Provider	IEEE Xplore Digital Library
Author	Chumbley, L.S. Verhoeven, J.D. Kim, M.R. Cornelius, A.L. Kramer, M.J.
Copyright Year	1965
Abstract	The spacing of the twins present in Y/sub 1/Ba/sub 2/Cu/sub 3/O/sub 7- delta / has been investigated using optical and transmission electron microscopy (TEM). Studies have reported that the value of the average twin spacing obtained by optical measurements is much larger than that measured in thin foils prepared for TEM observation, and controversy exists as to the exact nature of the optical twins. Experiments have been conducted which show that the twins observed optically correspond to those seen using TEM and are not produced by an optical interference effect. Using electron channeling, equations have been formulated which allow optical determination of the true spacing of twins present in a selected grain as well as the orientation of that grain. The average twin spacing measured by TEM has been found to vary with the sample preparation method, being smaller for crushed chip samples than for bulk samples prepared by ion milling or jet-polishing. A variation of the twin spacing with grain size has also been noted.<>
Sponsorship	IEEE Magnetics Society
Starting Page	2337
Ending Page	2340
Page Count	4
File Size	451244
File Format	PDF
ISSN	00189464
Volume Number	25
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1989-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electron optics Optical microscopy Transmission electron microscopy Scanning electron microscopy Interference Particle beam optics Milling High temperature superconductors Superconducting transition temperature Powders
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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Correlation between the formation of growth bands and Nd210 addition in Nd/sub 1/Ba/sub 2/Cu/sub 3/O/sub 7-/spl delta// bulk samples

Effect of Th substitution on the transition temperature of Y/sub 1-x/Th/sub x/Ba/sub 2/Cu/sub 3/O/sub 7-/spl delta// superconducting system

Processing and grain boundary effects in Nd/sub 1-x/Ba/sub 2-x/Cu/sub 3/O/sub 7+d/ superconductors

Microstructural Features of $a$-Axis Oriented YBa$\bf _2$Cu$\bf _3$O$_{{\bf 7}-\delta}$/PrBa$\bf _2$Cu$\bf _3$O$_{{\bf 7}-\delta}$/YBa$\bf _2$Cu$ \bf _3$O$_{{\bf 7}-\delta}$ Junctions Studied by Transmission Electron Microscopy

Properties of multilayer films of Y/sub 1/Ba/sub 2/Cu/sub 3/O/sub 7-x/ and composites of Y/sub 1/Ba/sub 2/Cu/sub 3/O/sub 7-x//LaAlO/sub 3/

Epitaxial growth of multilayered YBa/sub 2/Cu/sub 3/O/sub 7-/spl delta///Y/sub 0.7/Ca/sub 0.3/Ba/sub 2/Cu/sub 3/O/sub 7-/spl delta// films for high current application

Properties of superconducting YBa/sub 2/Cu/sub 3/O/sub 7- delta / time films made at high deposition rates

Hysteretic YBa/sub 2/Cu/sub 3/O/sub 7- delta /-Au- YBa/sub 2/Cu/sub 3/O/sub 7-/ delta proximity effect Josephson junctions

Effect of Y/sub 2/BaCuO/sub 5/ and PtO/sub 2//spl middot/H/sub 2/O additions on the microstructural development in YBa/sub 2/Cu/sub 3/O/sub 7-/spl delta// superconductors

Measurement and correlation of optical and TEM twins in Y/sub 1/Ba/sub 2/Cu/sub 3/O/sub 7- delta /

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Measurement and correlation of optical and TEM twins in Y/sub 1/Ba/sub 2/Cu/sub 3/O/sub 7- delta /