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Progress in Quantum Electronics
Country: United Kingdom
Subject Area: Engineering
Subject Category: Electrical and Electronic Engineering
Publisher: Elsevier Limited. Publication type: Journals. ISSN: 00796727
Coverage: 1969-1971, 1973-1977, 1979-1985, 1987-2012
H Index: 34
Scope:
SJR indicator vs. Cites per Doc (2y)
The SJR indicator 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. Cites per Doc. (2y) measures the scientific impact of an average article published in the journal, it is computed using the same formula that journal impact factor ™ (Thomson Reuters).
Citation vs. Self-Citation
Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Cites per Document vs. External Cites per Document
Evolution of the number of total cites per document and external cites per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years.
Cites per Document in 2, 3 and 4 years windows
Evolution of Citations per Document to a journal's published documents during the two, three and four previous years. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.
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.
Journal's Citable vs. 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.
Journal's Cited vs. 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.
| Indicators | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SJR | 4,148 | 4,152 | 3,361 | 3,075 | 1,437 | 1,452 | 1,690 | 3,087 | 2,316 | 2,536 | 3,607 | 3,691 | 4,133 |
| Total Documents | 5 | 4 | 7 | 6 | 9 | 10 | 6 | 7 | 3 | 6 | 6 | 9 | 7 |
| Total Docs. (3years) | 19 | 18 | 15 | 16 | 17 | 22 | 25 | 25 | 23 | 16 | 16 | 15 | 21 |
| Total References | 410 | 785 | 528 | 1.053 | 970 | 813 | 548 | 554 | 824 | 571 | 628 | 1.412 | 750 |
| Total Cites (3years) | 120 | 105 | 77 | 84 | 44 | 60 | 117 | 144 | 85 | 65 | 108 | 88 | 167 |
| Self Cites (3years) | 1 | 3 | 3 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 1 | 0 |
| Citable Docs. (3years) | 19 | 18 | 15 | 16 | 17 | 20 | 23 | 21 | 21 | 14 | 16 | 15 | 21 |
| Cites / Doc. (4years) | 6,32 | 5,88 | 5,41 | 5,50 | 4,14 | 3,33 | 4,37 | 6,52 | 5,61 | 5,25 | 5,85 | 5,73 | 7,46 |
| Cites / Doc. (3years) | 6,32 | 5,83 | 5,13 | 5,25 | 2,59 | 3,00 | 5,09 | 6,86 | 4,05 | 4,64 | 6,75 | 5,87 | 7,95 |
| Cites / Doc. (2years) | 5,00 | 4,73 | 5,11 | 2,55 | 2,00 | 3,23 | 5,47 | 4,36 | 3,09 | 5,80 | 5,11 | 5,67 | 7,60 |
| References / Doc. | 82,00 | 196,25 | 75,43 | 175,50 | 107,78 | 81,30 | 91,33 | 79,14 | 274,67 | 95,17 | 104,67 | 156,89 | 107,14 |
| Cited Docs. | 14 | 15 | 12 | 11 | 13 | 14 | 19 | 17 | 17 | 10 | 13 | 13 | 19 |
| Uncited Docs. | 5 | 3 | 3 | 5 | 4 | 8 | 6 | 8 | 6 | 6 | 3 | 2 | 2 |
| % International Collaboration | 0,00 | 0,00 | 28,57 | 0,00 | 11,11 | 30,00 | 16,67 | 14,29 | 0,00 | 0,00 | 0,00 | 22,22 | 28,57 |