Scimago Journal & Country Rank

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Quartiles

The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

CategoryYearQuartile
Atomic and Molecular Physics, and Optics1999Q4
Atomic and Molecular Physics, and Optics2000Q4
Atomic and Molecular Physics, and Optics2001Q4
Atomic and Molecular Physics, and Optics2002Q4
Atomic and Molecular Physics, and Optics2003Q4
Atomic and Molecular Physics, and Optics2004Q4
Atomic and Molecular Physics, and Optics2005Q4
Atomic and Molecular Physics, and Optics2006Q4
Atomic and Molecular Physics, and Optics2007Q4
Atomic and Molecular Physics, and Optics2008Q4
Atomic and Molecular Physics, and Optics2009Q4
Atomic and Molecular Physics, and Optics2010Q4
Atomic and Molecular Physics, and Optics2011Q4
Atomic and Molecular Physics, and Optics2012Q4
Atomic and Molecular Physics, and Optics2013Q4
Atomic and Molecular Physics, and Optics2014Q4
Atomic and Molecular Physics, and Optics2015Q4
Atomic and Molecular Physics, and Optics2016Q4
Atomic and Molecular Physics, and Optics2017Q4
Atomic and Molecular Physics, and Optics2018Q4
Electrical and Electronic Engineering1999Q4
Electrical and Electronic Engineering2000Q3
Electrical and Electronic Engineering2001Q4
Electrical and Electronic Engineering2002Q3
Electrical and Electronic Engineering2003Q4
Electrical and Electronic Engineering2004Q4
Electrical and Electronic Engineering2005Q4
Electrical and Electronic Engineering2006Q4
Electrical and Electronic Engineering2007Q4
Electrical and Electronic Engineering2008Q4
Electrical and Electronic Engineering2009Q4
Electrical and Electronic Engineering2010Q4
Electrical and Electronic Engineering2011Q4
Electrical and Electronic Engineering2012Q4
Electrical and Electronic Engineering2013Q4
Electrical and Electronic Engineering2014Q4
Electrical and Electronic Engineering2015Q4
Electrical and Electronic Engineering2016Q4
Electrical and Electronic Engineering2017Q4
Electrical and Electronic Engineering2018Q4
Electronic, Optical and Magnetic Materials1999Q4
Electronic, Optical and Magnetic Materials2000Q4
Electronic, Optical and Magnetic Materials2001Q4
Electronic, Optical and Magnetic Materials2002Q4
Electronic, Optical and Magnetic Materials2003Q4
Electronic, Optical and Magnetic Materials2004Q4
Electronic, Optical and Magnetic Materials2005Q4
Electronic, Optical and Magnetic Materials2006Q4
Electronic, Optical and Magnetic Materials2007Q4
Electronic, Optical and Magnetic Materials2008Q4
Electronic, Optical and Magnetic Materials2009Q4
Electronic, Optical and Magnetic Materials2010Q4
Electronic, Optical and Magnetic Materials2011Q4
Electronic, Optical and Magnetic Materials2012Q4
Electronic, Optical and Magnetic Materials2013Q4
Electronic, Optical and Magnetic Materials2014Q4
Electronic, Optical and Magnetic Materials2015Q4
Electronic, Optical and Magnetic Materials2016Q4
Electronic, Optical and Magnetic Materials2017Q4
Electronic, Optical and Magnetic Materials2018Q4
SJR

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

YearSJR
19990.101
20000.120
20010.116
20020.152
20030.105
20040.105
20050.106
20060.104
20070.122
20080.101
20090.102
20100.100
20110.104
20120.101
20130.103
20140.111
20150.100
20160.140
20170.101
20180.104
Total Documents

Evolution of the number of published documents. All types of documents are considered, including citable and non citable documents.

YearDocuments
1999131
20000
2001377
2002310
2003148
2004131
2005148
2006131
2007103
200879
200968
201043
201122
201220
201320
201424
20157
20160
20170
20180
Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per documentYearValue
Cites / Doc. (4 years)19990.000
Cites / Doc. (4 years)20000.027
Cites / Doc. (4 years)20010.068
Cites / Doc. (4 years)20020.055
Cites / Doc. (4 years)20030.033
Cites / Doc. (4 years)20040.014
Cites / Doc. (4 years)20050.019
Cites / Doc. (4 years)20060.024
Cites / Doc. (4 years)20070.038
Cites / Doc. (4 years)20080.039
Cites / Doc. (4 years)20090.026
Cites / Doc. (4 years)20100.018
Cites / Doc. (4 years)20110.014
Cites / Doc. (4 years)20120.033
Cites / Doc. (4 years)20130.059
Cites / Doc. (4 years)20140.048
Cites / Doc. (4 years)20150.023
Cites / Doc. (4 years)20160.099
Cites / Doc. (4 years)20170.039
Cites / Doc. (4 years)20180.065
Cites / Doc. (3 years)19990.000
Cites / Doc. (3 years)20000.027
Cites / Doc. (3 years)20010.068
Cites / Doc. (3 years)20020.057
Cites / Doc. (3 years)20030.026
Cites / Doc. (3 years)20040.014
Cites / Doc. (3 years)20050.022
Cites / Doc. (3 years)20060.035
Cites / Doc. (3 years)20070.046
Cites / Doc. (3 years)20080.045
Cites / Doc. (3 years)20090.022
Cites / Doc. (3 years)20100.020
Cites / Doc. (3 years)20110.016
Cites / Doc. (3 years)20120.038
Cites / Doc. (3 years)20130.094
Cites / Doc. (3 years)20140.048
Cites / Doc. (3 years)20150.016
Cites / Doc. (3 years)20160.137
Cites / Doc. (3 years)20170.032
Cites / Doc. (3 years)20180.286
Cites / Doc. (2 years)19990.000
Cites / Doc. (2 years)20000.027
Cites / Doc. (2 years)20010.053
Cites / Doc. (2 years)20020.050
Cites / Doc. (2 years)20030.026
Cites / Doc. (2 years)20040.013
Cites / Doc. (2 years)20050.036
Cites / Doc. (2 years)20060.039
Cites / Doc. (2 years)20070.065
Cites / Doc. (2 years)20080.060
Cites / Doc. (2 years)20090.016
Cites / Doc. (2 years)20100.027
Cites / Doc. (2 years)20110.018
Cites / Doc. (2 years)20120.031
Cites / Doc. (2 years)20130.167
Cites / Doc. (2 years)20140.050
Cites / Doc. (2 years)20150.023
Cites / Doc. (2 years)20160.129
Cites / Doc. (2 years)20170.000
Cites / Doc. (2 years)20180.000
Total Cites 
Self-Cites

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

CitesYearValue
Self Cites19990
Self Cites20000
Self Cites20010
Self Cites20020
Self Cites20031
Self Cites20040
Self Cites20050
Self Cites20060
Self Cites20072
Self Cites20080
Self Cites20090
Self Cites20101
Self Cites20110
Self Cites20120
Self Cites20130
Self Cites20140
Self Cites20150
Self Cites20160
Self Cites20170
Self Cites20180
Total Cites19990
Total Cites20004
Total Cites200110
Total Cites200229
Total Cites200318
Total Cites200412
Total Cites200513
Total Cites200615
Total Cites200719
Total Cites200817
Total Cites20097
Total Cites20105
Total Cites20113
Total Cites20125
Total Cites20138
Total Cites20143
Total Cites20151
Total Cites20167
Total Cites20171
Total Cites20182
External Cites per Doc 
Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

CitesYearValue
External Cites per document19990.000
External Cites per document20000.027
External Cites per document20010.068
External Cites per document20020.057
External Cites per document20030.025
External Cites per document20040.014
External Cites per document20050.022
External Cites per document20060.035
External Cites per document20070.041
External Cites per document20080.045
External Cites per document20090.022
External Cites per document20100.016
External Cites per document20110.016
External Cites per document20120.038
External Cites per document20130.094
External Cites per document20140.048
External Cites per document20150.016
External Cites per document20160.137
External Cites per document20170.032
External Cites per document20180.286
Cites per document19990.000
Cites per document20000.027
Cites per document20010.068
Cites per document20020.057
Cites per document20030.026
Cites per document20040.014
Cites per document20050.022
Cites per document20060.035
Cites per document20070.046
Cites per document20080.045
Cites per document20090.022
Cites per document20100.020
Cites per document20110.016
Cites per document20120.038
Cites per document20130.094
Cites per document20140.048
Cites per document20150.016
Cites per document20160.137
Cites per document20170.032
Cites per document20180.286
% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

YearInternational Collaboration
19990.00
20000
20010.00
20020.00
20032.03
20043.05
20054.73
20061.53
20077.77
20081.27
20094.41
20100.00
20110.00
20125.00
20130.00
20140.00
20150.00
20160
20170
20180
Citable documents 
Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

DocumentsYearValue
Non-citable documents19990
Non-citable documents20000
Non-citable documents20010
Non-citable documents2002108
Non-citable documents2003232
Non-citable documents2004254
Non-citable documents2005164
Non-citable documents200673
Non-citable documents200776
Non-citable documents200878
Non-citable documents200951
Non-citable documents201026
Non-citable documents20116
Non-citable documents20120
Non-citable documents20130
Non-citable documents20140
Non-citable documents20151
Non-citable documents20162
Non-citable documents20172
Non-citable documents20181
Citable documents199917
Citable documents2000148
Citable documents2001148
Citable documents2002400
Citable documents2003455
Citable documents2004581
Citable documents2005425
Citable documents2006354
Citable documents2007334
Citable documents2008304
Citable documents2009262
Citable documents2010224
Citable documents2011184
Citable documents2012133
Citable documents201385
Citable documents201462
Citable documents201563
Citable documents201649
Citable documents201729
Citable documents20186
Cited documents 
Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

DocumentsYearValue
Uncited documents199917
Uncited documents2000144
Uncited documents2001142
Uncited documents2002487
Uncited documents2003672
Uncited documents2004825
Uncited documents2005578
Uncited documents2006416
Uncited documents2007397
Uncited documents2008369
Uncited documents2009307
Uncited documents2010245
Uncited documents2011187
Uncited documents2012130
Uncited documents201380
Uncited documents201459
Uncited documents201563
Uncited documents201645
Uncited documents201730
Uncited documents20186
Cited documents19990
Cited documents20004
Cited documents20016
Cited documents200221
Cited documents200315
Cited documents200410
Cited documents200511
Cited documents200611
Cited documents200713
Cited documents200813
Cited documents20096
Cited documents20105
Cited documents20113
Cited documents20123
Cited documents20135
Cited documents20143
Cited documents20151
Cited documents20166
Cited documents20171
Cited documents20181
Scimago Journal & Country Rank
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Metrics based on Scopus® data as of March 2024
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