Vibronic Transitions of Hexagonal Rare-Earth Trichlorides. I
Phonon spectrum of neodymium trichloride crystal lattice determined from polarized vibronic transition spectra and Zeeman effect of trivalent Pr and Nd impurity ions
VIBRATIONAL SPECTRUM↗
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Vibronic transitions of hexagonal rare-earth trichlorides. II.
Absorption spectra of rare earth trichlorides with trivalent Pr, observing vibronic transitions noting assignments of phonon branches
LATTICE VIBRATION↗
Electron paramagnetic resonance and spectroscopic study of LaC1 sub 3. Eu super 2 super plus and associated color centers.
Divalent Eu ion ground state splitting in C3h symmetry sites and associated color centers in EPR spectrum study of Eu ion doped lanthanum trichloride
ELECTRON PARAMAGNETIC RESONANCE↗
Rocket photometry of the far UV twilight airglow.
Far UV twilight airglow by rocket photometer measurements noting height profile similarity to dayglow
Fastie, W. G.↗
Multiphonon orbit-lattice relaxation in LaBr sub 3, LaCl sub 3, and LaF sub 3.
Multiphonon orbit-lattice relaxation rates in lanthanum bromide, lanthanum chloride and lanthanum fluoride determined using transition energy gap
Moos, H. W.↗
Crystal spectroscopy at the Johns Hopkins University.
Free ion and rare earth crystal energy levels spectra compared to divalent and trivalent spectra
Crosswhite, H. M.↗
Measurements of the Stark broadening of two neutral helium lines in a plasma.
Stark broadening measurement of two neutral helium lines in plasma
Greig, J. R.↗
The far-ultraviolet spectral intensity of a B3 V star.
Far UV spectral intensity of B3 V star from Aerobee rocket scanning prism spectrometry, noting discrepancy with model atmosphere predictions
Bottema, M.↗
Investigation of rare earth ions - Spectroscopic relaxation processes of rare earth ions in crystals Final report, 1 Mar. - 31 Jul. 1969
Relaxation effects of rare earth ions in crystals
Moos, H. W.↗
Multiphonon orbit-lattice relaxation of excited states of rare-earth ions in crystals.
Multiphonon orbit-lattice relaxation of excited states of rare earth ions in crystals, measuring fluorescence lifetimes, quantum efficiencies and transition rates
Moos, H. W.↗
Effective density of phonon states for NdCl sub 3 from vibronic spectra and applications to ion-lattice interactions.
Phonon states effective density in neodymium trichloride from vibronic spectra accompanying electronic transitions in trivalent Pr and Nd ions
Cohen, E.↗
Spectroscopic determination of the magnon density of states of GdCl sub 3, a ferromagnetic rare-earth salt.
Magnon density of states of ferromagnetic gadolinium trichloride in magnetic field, using high resolution optical spectroscopy
Cohen, E.↗
Multiphonon relaxation in laser materials and applications to the design of quantum electronic devices.
Multiphonon orbit lattice relaxation of excited states of rare earth ions in crystals, using results to design quantum electronic devices
Moos, H. W.↗
Rocket measurement of ultraviolet spectra of Venus and Jupiter between 1200 and 1800 angstrom units.
Venus and Jupiter low resolution UV spectra obtained with servocontrolled star tracking telescope in Aerobee rocket, noting Lyman alpha radiation characteristics
Bottema, M.↗
Nighttime molecular oxygen densities in the 100-130-km region from Schumann-Runge absorption.
Nighttime molecular O densities between 100- 130 km determined from Schumann-Runge absorption data for successive far UV spectra of hot star
Moos, H. W.↗
Spectroscopic observation of magnetic ordering in DyPO sub 4 using line intensity measurements.
Magnetic ordering in dysprosium phosphate observed by high resolution spectral line intensity measurements, finding Neel temperature
Moos, H. W.↗
A rocket telescope spectrometer with high precision pointing control
Rocket telescope spectrometer precision pointing achieved by servocontrolling secondary mirror, discussing use for planetary atmospheres far UV spectrum studies
Bottema, M.↗
Far-ultraviolet altitude profiles and molecular oxygen densities in an aurora
Altitude profiles and absolute intensities of far UV emission features in aurora measured by filterwheel photometer in Aerobee rocket, determining molecular oxygen densities
Fastie, W. G.↗