Table 21.

Topics of SCI Papers (Russia), 1976–2007

Rank	Region Label	# of papers in the region
1	Quantum dots	397
2	Atomic force microscopy	361
3	X-ray diffraction	234
4	Transmission electron microscopies	229
5	Room temperatures	214
6	Magnetic fields	207
7	Low temperatures	179
8	Temperature dependences	177
9	Scanning tunneling microscopy	162
10	Mu M	162
11	Optical properties	157
12	Severe plastic deformation	151
13	Magnetic properties	144
14	Temperature ranges	142
15	Thin films	138
16	Molecular beam epitaxy	134
17	Carbon nanotubes	133
18	Aqueous solutions	115
19	Electric fields	95
20	Phase compositions	90
21	Electron microscopies	88
22	Ground state	84
23	Single crystals	78
24	Electronic properties	77
25	Particle sizes	76
26	Size distributions	62
27	Small-angle X-ray	60
28	Porous silicon	58
29	Crystal structures	58
30	Scanning tunneling microscopes	45
31	Molecular modeling	43
32	Absorption spectra	43