Atomic and Molecular Structure and Properties Atomic structure   49 Molecular structure  49 Spectroscopy 49 Spectrum analysis Physical Chemistry 19 Physical chemistry 19 mere ... Characterization and Analytical Technique 8 Materials—Analysis 8 Condensed Matter Physics 7 Condensed matter 7 Biophysics 4 Chemistry, Physical and theoretical 4 Crystallography 4 Crystallography and Scattering Methods 4 Laser 4 Lasers 4 Mathematical physics 4 Surface and Interface and Thin Film 4 Surfaces (Physics) 4 Surfaces (Technology) 4 Surfaces, Interfaces and Thin Film 4 Theoretical Chemistry 4 Thin films 4 Classical Electrodynamics 3 Electrodynamics 3 Low Temperature Physics 3 Low temperatures 3 Measurement 3 Measurement Science and Instrumentation 3 mindre ...