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  • AIP Publishing  (3)
  • 1985-1989  (3)
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  • AIP Publishing  (3)
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  • 1985-1989  (3)
Year
  • 1
    Online Resource
    Online Resource
    The Rydberg states of FH2
    AIP Publishing ; 1988
    In:  The Journal of Chemical Physics Vol. 88, No. 12 ( 1988-06-15), p. 7633-7637
    Details
    In: The Journal of Chemical Physics, AIP Publishing, Vol. 88, No. 12 ( 1988-06-15), p. 7633-7637
    Abstract: The ground and first few excited electronic states of FH2 have been calculated by the MRD-CI method, in an effort to make predictions on the Rydberg spectrum of this molecule. The results show that the excited Rydberg states, up to the 4p levels (in the united atom notation), are bound and have minima at geometries similar to that of the cation FH+2 except the first excited state, which is also found to be bound but with minimum energy at a considerably longer bond length. The most intense bound–bound transitions are predicted to occur from the 3d, 4p, and 4s states to the first excited state 1 2B2(3p).
    Type of Medium: Online Resource
    ISSN: 0021-9606 , 1089-7690
    URL: Article
    DOI: 10.1063/1.454745
    Language: English
    Publisher: AIP Publishing
    Publication Date: 1988
    detail.hit.zdb_id: 3113-6
    detail.hit.zdb_id: 1473050-9
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    Online Resource
  • 2
    Online Resource
    Online Resource
    A magnetoresistive gradiometer for detection of perpendicularly recorded magnetic transitions
    AIP Publishing ; 1989
    In:  Journal of Applied Physics Vol. 65, No. 1 ( 1989-01-01), p. 402-404
    Details
    In: Journal of Applied Physics, AIP Publishing, Vol. 65, No. 1 ( 1989-01-01), p. 402-404
    Abstract: A magnetoresistive gradiometer to detect perpendicularly recorded transitions has been conceived. It utilizes two parallel magnetoresistive stripes with opposing sense/bias currents. The magnetoresistive elements mutually bias each other with the same polarity bias fields. The fields of a perpendicular transition centered between the two stripes increase the resistance of one stripe while decreasing that of the other, therefore providing maximum output signal using differential detection. The detector provides a Lorenztian-type readback waveform and rejection of common-mode noise. The experimental readback waveform exhibited a pulse width at half maximum of 0.7 μm for a head flying at 0.2 μm above the media surface.
    Type of Medium: Online Resource
    ISSN: 0021-8979 , 1089-7550
    URL: Article
    DOI: 10.1063/1.343398
    Language: English
    Publisher: AIP Publishing
    Publication Date: 1989
    detail.hit.zdb_id: 220641-9
    detail.hit.zdb_id: 3112-4
    detail.hit.zdb_id: 1476463-5
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    Online Resource
  • 3
    Online Resource
    Online Resource
    Theoretical investigation involving electronic and vibrational calculations of the 2 2 A 1(3 p )→1 2 B 2(3 p ) and the 3 2 A 1(4 s )→1 2 B 2(3 p ) transitions in FH2 and FD2
    AIP Publishing ; 1988
    In:  The Journal of Chemical Physics Vol. 89, No. 11 ( 1988-12-01), p. 6841-6849
    Details
    In: The Journal of Chemical Physics, AIP Publishing, Vol. 89, No. 11 ( 1988-12-01), p. 6841-6849
    Abstract: Theoretical calculations have been carried out on the X 2A1, 1 2B2(3p), 2 2A1(3p), and 3 2A1(4s) electronic states of FH2. Equilibrium geometries and rotational constants as well as the first few vibrational levels of the excited states have been calculated, in order to obtain theoretical information on the 2 2A1(3p)→1 2B2(3p) and the 3 2A1(4s)→1 2B2(3p) transitions in FH2, which might be relevant to the observed spectra at about 7500 and 8000 Å. The results show that the equilibrium geometry of the first excited state of FH2, 1 2B2(3p), is quite different from those of the other excited states. The estimated transition energies (ΔE0) in FH2 are 1.68 and 1.97 eV for the transitions 2 2A1(3p)→1 2B2(3p) and 3 2A1(4s)→1 2B2(3p), respectively, while in FD2 the corresponding quantities are 1.65 and 1.95 eV, respectively. A search for a minimum on the ground state surface of FH2, which has been carried out near two saddle point geometries, has not found one. Thus the present calculations do not find a metastable ground state species.
    Type of Medium: Online Resource
    ISSN: 0021-9606 , 1089-7690
    URL: Article
    DOI: 10.1063/1.455358
    Language: English
    Publisher: AIP Publishing
    Publication Date: 1988
    detail.hit.zdb_id: 3113-6
    detail.hit.zdb_id: 1473050-9
    Location Call Number Limitation Availability
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    Online Resource
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