– Scanning near-field optical microscopy SPECT – Single-photon emission computed tomography SPM – Scanning probe microscopy SRM-CE/MS – Selected-reaction-monitoring capillary-electrophoresis mass-spectrometry SSNMR – Solid-state nuclear magnetic resonance Stark spectroscopy STED – Stimulated emission depletion microscopy STEM – Scanning transmission electron microscopy STM – Scanning tunneling microscopy STS – Scanning tunneling spectroscopy SXRD – Surface X-ray diffraction T TAT or TACT – Thermoacoustic tomography or thermoacoustic computed tomography (see also photoacoustic tomography – PAT) TEM – Transmission electron microscopy TGA – Thermogravimetric analysis TIKA – Transmitting ion kinetic analysis TIMS – Thermal ionization mass spectrometry TIRFM – Total internal reflection fluorescence microscopy TLS – Photothermal lens spectroscopy, a type of photothermal spectroscopy TMA – Thermomechanical analysis TOF-MS – Time-of-flight mass spectrometry Two-photon excitation microscopy TXRF – Total reflection X-ray fluorescence analysis U Ultrasound attenuation spectroscopy UPS – UV-photoelectron spectroscopy USANS – Ultra small-angle neutron scattering USAXS – Ultra small-angle X-ray scattering UT – Ultrasonic testing UV-Vis – Ultraviolet–visible spectroscopy V VEDIC – Video-enhanced differential interference contrast microscopy Voltammetry W WAXS – Wide angle X-ray scattering WDX or WDS – Wavelength dispersive X-ray spectroscopy X XAES – X-ray induced Auger electron spectroscopy XANES – XANES, synonymous with NEXAFS (near edge X-ray absorption fine structure) XAS – X-ray absorption spectroscopy X-CTR – X-ray crystal truncation rod scattering X-ray crystallography XDS – X-ray diffuse scattering XPEEM – X-ray photoelectron emission microscopy XPS – X-ray photoelectron spectroscopy XRD – X-ray diffraction XRES – X-ray resonant exchange scattering XRF – X-ray fluorescence analysis XRR – X-ray reflectivity XRS – X-ray Raman scattering XSW – X-ray standing wave technique See also Characterization (materials science) References Materials analysis methods Analytical chemistry Materials analysis methods Materials analysis methods