Severity: Warning
Message: file_get_contents(https://...@pubfacts.com&api_key=b8daa3ad693db53b1410957c26c9a51b4908&a=1): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests
Filename: helpers/my_audit_helper.php
Line Number: 176
Backtrace:
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 176
Function: file_get_contents
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 250
Function: simplexml_load_file_from_url
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 3122
Function: getPubMedXML
File: /var/www/html/application/controllers/Detail.php
Line: 575
Function: pubMedSearch_Global
File: /var/www/html/application/controllers/Detail.php
Line: 489
Function: pubMedGetRelatedKeyword
File: /var/www/html/index.php
Line: 316
Function: require_once
The paper presents scanning electron microscopy (SEM) studies on the magnetic domain structure (DS) using magnetic colloid. The possibility of colloid-SEM method for observing the DS of mono- and polycrystalline samples in the secondary (SEI) and backscattered electrons modes (BEC) is demonstrated. Owing to the large focal depth of SEM, it is possible to observe the overall DS and fine features, even in unpollished samples.
Download full-text PDF |
Source |
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http://dx.doi.org/10.1016/j.micron.2020.102899 | DOI Listing |
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