ADVANCED MATERIALS

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1995 Impact Factors By Peter Gregory*

The Institute of Scientific Information, ISI, based in Philadelphia, USA, has recently published its evaluation of the citation performance of scientific journals in 1995.1’1 Both Advanced Materials and its sister journal Acta Polymerica have done well when the results from 1994 are compared.[2]

Performance is measured in terms of Impact Factors.[3] Advanced Materials once again tops the charts in the category Materials Science when journals publishing novel research are considered (no pure review journals) and has made progress against most of its competitors on the broader Physical Sciences stage, moving from position 10 in 1994 to position 9 in 1995 (Table 1).

Table I. The ‘top 20’ original research journals in selected materials-related [41 physical sciences, by IS1 Impact Factor.

Pos. Joumal lmoact Factor Pos. Journal Imoact Factor

1. 2. 3. 4. 5. 6. 7. 8. 9. 10.

Nature Science Angew. Chem. Int. Phys. Rev. Lett. J. Am. Chem. Soc. Biophys. I. J. Cbem. Phys. J. Phys. Chem. Adv. Mater. Phys. Lett. B

27.07 11. 21.91 12. 6.98 13. 6.30 14. 5.26 15. 4.33 16. 3.61 17. 3.40 18. 3.30 19.

3.27 20.

Macromolecules Langmuir Appl. Phys. Lett. Microporous Mater. Surf. Sci. Phys. Rev. B Chem. Mater. JCS Chem. Commun. Opt. Lett. Inorg. Chem.

3.16 3.14 3.03 3.02 2.85 2.83 2.70 2.65 2.63 2.53

A similar analysis of the field of polymer science (original research journals) reveals the progress made by Acta Polymerica, from position 20 in 1994 to position 2 in 1995! Table 2 shows the details for 1995.

Table 2. 1995 IS1 Imoact Factors for original research ioumals in the field of nolvmer qcience

Pos. Joumal Impact Factor Pos. Journal Impact Factor

1 . Macromolecules 3.16 6. Macromol. Chem. Phys. I .46

3. Macromol. Rapid Commun. 1.89 8. Macromol. Theor. Sim. 1.31 4. Synth. Metals 1.58 9. Polymer 1.31 5. J. Membrane Sci. 1.51 10. J. Polvm. Sci. Pbvs. 1.24

2. Acta Polymenca 1.92 7. J. Polym. Sci, Chem. I .33

The results for both Advanced Materials and Acta Polymerica would seem to be clear indications of the attraction of publications which cross the chemistry/physics interdisciplinary boundary and appeal to both communities. The quality of work submitted to both journals also continues to rise, and it is the fact that scientists increasing entrust their very best work to us which is the most gratifying develop- ment.

[I] Joumal Citation Reports (JCR), ISI, Philadelphia, 1995. Details of the full range of products and ser-

[2] See P.S. Gregory,Adv. Muter. 1996,8,201. [3] The Impact Factor of a journal (e.g. for 1995) is defined by IS1 as the total number of citations received

in 1995 for articlcs published in 1993 and 1994, divided by the number of citable articles published in 1993 and 1994.

[4] ‘Materials related’ here means that a selection has been attempted that excludes non-materials related (e.g. astronomy, panicle physics, etc.) journals.

vices of IS1 are available from ISI, 3501 Market Street, Philadelphia, PA 19 104, USA.

[*] Peter Gregory is Editor of Advanced Materials

Adv. Muter. 1997-9, No. 3 0 VCH Verlagsgesellschuji mbH, 0-69469 Weinheim, 1997 0935-9648/97/0302-0193 $10.00+.25/0 193