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  • AIP Publishing  (6)
  • 1970-1974  (6)
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  • AIP Publishing  (6)
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  • 1970-1974  (6)
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Subjects(RVK)
  • 1
    Online Resource
    Online Resource
    Magnetic Properties of an Induced Moment Antiferromagnet
    AIP Publishing ; 1971
    In:  Journal of Applied Physics Vol. 42, No. 4 ( 1971-03-15), p. 1414-1414
    Details
    In: Journal of Applied Physics, AIP Publishing, Vol. 42, No. 4 ( 1971-03-15), p. 1414-1414
    Abstract: The induced moment system with a singlet crystal-field ground state has been recently studied extensively for ferromagnetic exchange interaction between ionic moments.1 We report here the calculations for an induced moment antiferromagnet in the presence of an external magnetic field. The behavior of the sublattice magnetization as a function of the external magnetic field shows a remarkable difference from a fixed spin antiferromagnet, although a similar ``matamagnetic transition'' occurs at some critical field. The magnetic susceptibility and specific heat are also calculated in molecular field approximation and by the Green's function technique.
    Type of Medium: Online Resource
    ISSN: 0021-8979 , 1089-7550
    URL: Article
    DOI: 10.1063/1.1660267
    Language: English
    Publisher: AIP Publishing
    Publication Date: 1971
    detail.hit.zdb_id: 220641-9
    detail.hit.zdb_id: 3112-4
    detail.hit.zdb_id: 1476463-5
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    Online Resource
  • 2
    Online Resource
    Online Resource
    ELASTIC WAVES GUIDED BY A FLUID LAYER: A NEW TYPE OF ULTRASONIC WAVE PROPAGATION
    AIP Publishing ; 1970
    In:  Applied Physics Letters Vol. 16, No. 8 ( 1970-04-15), p. 291-293
    Details
    In: Applied Physics Letters, AIP Publishing, Vol. 16, No. 8 ( 1970-04-15), p. 291-293
    Abstract: A new type of guided ultrasonic wave bound to a fluid layer between two elastic solids has been observed. Quantitative agreement has been obtained between experiment and theory.
    Type of Medium: Online Resource
    ISSN: 0003-6951 , 1077-3118
    URL: Article
    DOI: 10.1063/1.1653199
    RVK:
    UA 1000
    Language: English
    Publisher: AIP Publishing
    Publication Date: 1970
    detail.hit.zdb_id: 211245-0
    detail.hit.zdb_id: 1469436-0
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    Online Resource
  • 3
    Online Resource
    Online Resource
    Quantum yield of metal-semiconductor photodiodes
    AIP Publishing ; 1972
    In:  Journal of Applied Physics Vol. 43, No. 10 ( 1972-10-01), p. 4123-4129
    Details
    In: Journal of Applied Physics, AIP Publishing, Vol. 43, No. 10 ( 1972-10-01), p. 4123-4129
    Abstract: A theoretical expression for the quantum yield of metal-semiconductor photodiodes is derived that takes into account the effects of the presence of an inversion region. This expression predicts a sharp decrease of the quantum yield in the short wavelength regime, in contrast with previous theoretical predictions. Applied to a Au-nSi Schottky-barrier photodiode, our theory displays the functional dependence with which the quantum yield increases with increasing doping densities for short wavelengths and decreases with increasing doping densities for long wavelengths. Excellent agreement is demonstrated between theoretical predictions and experimental data in the short-wavelength regime (i.e., for 0.4 & lt;λ & lt;0.6 μm).
    Type of Medium: Online Resource
    ISSN: 0021-8979 , 1089-7550
    URL: Article
    DOI: 10.1063/1.1660884
    Language: English
    Publisher: AIP Publishing
    Publication Date: 1972
    detail.hit.zdb_id: 220641-9
    detail.hit.zdb_id: 3112-4
    detail.hit.zdb_id: 1476463-5
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    Online Resource
  • 4
    Online Resource
    Online Resource
    A new mechanism for the formation of growth spirals
    AIP Publishing ; 1974
    In:  Journal of Applied Physics Vol. 45, No. 5 ( 1974-05-01), p. 1982-1985
    Details
    In: Journal of Applied Physics, AIP Publishing, Vol. 45, No. 5 ( 1974-05-01), p. 1982-1985
    Abstract: A new mechanism is proposed to explain the formation of growth spirals in controlled melt-grown crystalline samples of Ba4SrNb10O30. Several distinguishing features of these spirals cannot be explained on the basis of the classical core-first growth theory. These features are examined in detail, especially in comparison with the inherent or implied features of the classical spiral model. Characteristics of the spirals are predicted based on solidification theory and are found to agree with the observed results.
    Type of Medium: Online Resource
    ISSN: 0021-8979 , 1089-7550
    URL: Article
    DOI: 10.1063/1.1663534
    Language: English
    Publisher: AIP Publishing
    Publication Date: 1974
    detail.hit.zdb_id: 220641-9
    detail.hit.zdb_id: 3112-4
    detail.hit.zdb_id: 1476463-5
    Location Call Number Limitation Availability
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    Online Resource
  • 5
    Online Resource
    Online Resource
    ERRATUM: ELASTIC WAVES GUIDED BY A FLUID LAYER: A NEW TYPE OF ULTRASONIC WAVE PROPAGATION
    AIP Publishing ; 1971
    In:  Applied Physics Letters Vol. 18, No. 2 ( 1971-01-15), p. 66-66
    Details
    In: Applied Physics Letters, AIP Publishing, Vol. 18, No. 2 ( 1971-01-15), p. 66-66
    Type of Medium: Online Resource
    ISSN: 0003-6951 , 1077-3118
    URL: Article
    DOI: 10.1063/1.1653566
    RVK:
    UA 1000
    Language: English
    Publisher: AIP Publishing
    Publication Date: 1971
    detail.hit.zdb_id: 211245-0
    detail.hit.zdb_id: 1469436-0
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    Online Resource
  • 6
    Online Resource
    Online Resource
    Phase Transition of an Anisotropic Ferromagnet
    AIP Publishing ; 1971
    In:  Journal of Applied Physics Vol. 42, No. 4 ( 1971-03-15), p. 1418-1419
    Details
    In: Journal of Applied Physics, AIP Publishing, Vol. 42, No. 4 ( 1971-03-15), p. 1418-1419
    Abstract: The phase transition of an Ising Ferromagnet with uniaxial single ion anisotropy with spin one has been investigated extensively by Capel. Here we consider a similar but a more general system with anisotropic exchange interaction. The Hamiltonian can be written as H=D  ∑ i (Siz)2−  ∑ ij JijSizSjz−  ∑ ij Kij(SixSjx+SiySjy),where J, K, and D are positive parameters. We show that in addition to the more familiar phase transition from an ordered phase to the paramagnetic phase, as temperature is raised, a first-order phase transition can occur. Depending upon the relative magnitude of D, J, and K, a phase transition from the ferromagnetic state with spin ordering along (perpendicular to) the z axis to a ferromagnetic state with spin ordering perpendicular to (along) the z axis can take place at a critical temperature lower than the Curie temperature where a transition to the paramagnetic phase occurs. The boundaries of the three phases have been calculated in the molecular field approximation.
    Type of Medium: Online Resource
    ISSN: 0021-8979 , 1089-7550
    URL: Article
    DOI: 10.1063/1.1660272
    Language: English
    Publisher: AIP Publishing
    Publication Date: 1971
    detail.hit.zdb_id: 220641-9
    detail.hit.zdb_id: 3112-4
    detail.hit.zdb_id: 1476463-5
    Location Call Number Limitation Availability
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    Online Resource
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