Chemistry
Helium
74%
Molecule
46%
Atom
45%
Microwave
43%
Procedure
41%
Nanoparticle
31%
Polarization
30%
Spectra
28%
Supercritical Fluid
25%
Analytical Method
24%
Rydberg State
23%
Reaction Temperature
23%
Alkali
19%
Energy
18%
Excited State
18%
Relaxation
18%
Structure
17%
Dipole Moment
17%
Electron Particle
16%
Photoexcitation
15%
Metal
15%
Diatomic Molecule
14%
Molecular Beam
13%
Hyperfine Structure
12%
Scattering
12%
Double Resonance
11%
Concentration
11%
Vanadium
10%
Electronic Transition
10%
Ground State Dipole Moment
10%
Chemical Reaction
10%
Photoelectron-Photoion Coincidence
10%
Photodissociation
10%
Two-Photon Ionization
10%
Oxidation Reaction
10%
Diatomics
9%
Synthesis (Chemical)
9%
Carbon
9%
Spectroscopy
8%
Particle Size
8%
Electronic State
8%
Energy Transfer
8%
Electron Energy Loss Spectroscopy
8%
Vibrational State
8%
Doping Material
8%
Pump
8%
Internuclear Double Resonance Spectroscopy
8%
Density Functional Theory
7%
Ab Initio Calculation
7%
Ionization Spectroscopy
7%
Material Science
Helium
100%
Temperature
58%
Nanoparticle
51%
Droplet
40%
Superfluid Helium
35%
Metal
29%
Particle
28%
Morphology
23%
Electronics
22%
Laser
21%
Materials
21%
Oxide Compound
17%
Density
17%
Oxidation Reaction
15%
Scanning Transmission Electron Microscopy
14%
Nanowire
14%
Surface Plasmon
13%
Silver
13%
Metal Nanoparticle
11%
Superconducting Material
10%
Boron Nitride
10%
Absorption Spectroscopy
9%
Doping (Additives)
8%
Probe
8%
Coupling Constant
8%
Fluorescence
6%
Semimetals
6%
Solvent
5%
Electron Tomography
5%
Gas
5%
Atomic Force Microscopy
5%
ZnO
5%
Heterojunction
5%
Materials Property
5%
Nanoclusters
5%
Vibration Analysis
5%
Surface Diffusion
5%
Two-Dimensional Material
5%
Spin Polarization
5%
Iron
5%
Ionic Bonding
5%
Adhesion
5%
Fluid
5%
Chalcogenides
5%
Catalysis
5%
Vapor
5%
Photoemission Electron Microscopy
5%
Aluminum
5%
Carrier Concentration
5%
Laser Diode
5%
Physics
Helium
50%
Laser
48%
Spectroscopy
45%
Microwave
37%
Atom
33%
Helium Atom
29%
Droplet
29%
Spectra
23%
Utilization
19%
Molecules
18%
Calculation
18%
Excitation
17%
Chromium
16%
Phonon
15%
Ultraviolet Laser
13%
Impact
13%
Rydberg State
12%
Superfluid
12%
Rare Gas
11%
Diffraction
11%
Region
11%
Topological Insulator
11%
Metal
10%
Morse Potential
10%
Probe
10%
Absorption Spectroscopy
10%
Line Intensity
9%
Ionization
9%
Silver
9%
Photoionization
9%
Harmonics
8%
Stark Effect
8%
Optical Polarization
8%
Rydberg Series
8%
Gas Mixture
8%
Metalloid
7%
Coherent Radiation
7%
Output
7%
Spin
7%
Standard
7%
Hyperfine Structure
7%
Laser Spectroscopy
6%
Laser Beams
6%
Elastic Scattering
6%
Laser Induced Fluorescence
6%
Electronic Structure
6%
Line Spectra
6%
Dye Laser
5%
Contrast
5%
Diameters
5%