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  • 1
    Electronic Resource
    Electronic Resource
    Ion Exchange in Synthetic Resins. (1950)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 54 (1950), S. 1098-1109 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j150482a003
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  • 2
    Electronic Resource
    Electronic Resource
    The Cation-Exchange Behavior of Heteroionic and Homoionic Clays of Silicate Minerals. (1951)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 55 (1951), S. 1429-1446 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j150492a003
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  • 3
    Electronic Resource
    Electronic Resource
    The Electrochemical Properties of Mineral Membranes. IX. Membrane Characteristics of Clay Pastes. (1951)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 55 (1951), S. 61-68 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j150484a008
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  • 4
    Electronic Resource
    Electronic Resource
    Cation-Exchange Studies with the Colloidal Clay Salts of Silver. (1950)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 54 (1950), S. 1110-1121 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j150482a004
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  • 5
    Electronic Resource
    Electronic Resource
    Neutral velocity distribution at a negatively biased electrode in a collisional ion sheath (2001)
    [S.l.] : American Institute of Physics (AIP)
    Physics of Plasmas 8 (2001), S. 364-367 
    Details
    ISSN: 1089-7674
    Source: AIP Digital Archive
    Topics: Physics
    Notes: This paper reports on the planar one-dimensional theoretical estimation of neutral velocity distribution at a negatively biased electrode. The pressure is chosen to be high (∼few Torr) so that the ion sheath is collisional with charge exchange being the dominant collision mechanism. This collision leads to a distribution of ion velocities at the electrode and also generates a large number of energetic neutrals inside the ion sheath that bombards the electrode. Depending on the place of their generation inside the ion sheath, the neutrals have a distribution of velocities at the electrode. The theory indicates that the peak of the neutral velocity distribution shifts to lower velocities as pressure increases. It also indicates that in such collisional ion sheaths, the neutrals deposit more momentum and kinetic energy on the negatively biased electrode than the ions. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1327619
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  • 6
    Electronic Resource
    Electronic Resource
    Suppression of resistive wall instabilities with distributed, independently controlled, active feedback coils (2000)
    [S.l.] : American Institute of Physics (AIP)
    Physics of Plasmas 7 (2000), S. 3133-3136 
    Details
    ISSN: 1089-7674
    Source: AIP Digital Archive
    Topics: Physics
    Notes: External kink instabilities are suppressed in a tokamak experiment by either (1) energizing a distributed array of independently controlled active feedback coils mounted outside a segmented resistive wall or (2) inserting a second segmented wall having much higher electrical conductivity. When the active feedback coils are off and the highly conducting wall is withdrawn, kink instabilities excited by plasma current gradients grow at a rate comparable to the magnetic diffusion rate of the resistive wall. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.874223
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  • 7
    Electronic Resource
    Electronic Resource
    Exact solution of the Schrödinger equation with noncentral parabolic potentials (1987)
    College Park, Md. : American Institute of Physics (AIP)
    Journal of Mathematical Physics 28 (1987), S. 840-843 
    Details
    ISSN: 1089-7658
    Source: AIP Digital Archive
    Topics: Mathematics , Physics
    Notes: The Schrödinger equation with a class of parabolic potentials has been studied. A constant of motion related to angular momentum has been calculated. It has been shown that the scattering states for these potentials can be defined only in some special cases. The Hartmann potential and the Aharonov–Bohm potential are studied as special cases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.527573
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  • 8
    Electronic Resource
    Electronic Resource
    Transport and magnetic properties of laser ablated La0.7Ce0.3MnO3 films on LaAlO3 (1999)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 86 (1999), S. 5718-5725 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: La0.7Ce0.3MnO3 is a relatively new addition to the family of colossal magnetoresistive manganites, in which the cerium ion is believed to be in the Ce4+ state. In this article, we report the magnetotransport properties of laser ablated La0.7Ce0.3MnO3 films on LaAlO3, and the effect of varying the ambient oxygen pressure during growth and the film thickness. We observe that the transport and magnetic properties of the film depend on the oxygen pressure, surface morphology, film thickness, and epitaxial strain. The films were characterized by x-ray diffraction using a four-circle goniometer. We observe an increase in the metal-insulator transition temperature with decreasing oxygen pressure. This is in direct contrast to the oxygen pressure dependence of La0.7Ca0.3MnO3 films and suggests the electron doped nature of the La0.7Ce0.3MnO3 system. With decreasing film thickness we observe an increase in the metal-insulator transition temperature. This is associated with a compression of the unit cell in the a-b plane due to epitaxial strain. On codoping with 50% Ca at the Ce site, the system (La0.7Ca0.15Ce0.15MnO3) is driven into an insulating state suggesting that the electrons generated by Ce4+ are compensated by the holes generated by Ca2+, thus making the average valence at the rare-earth site 3+ as in the parent material LaMnO3. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.371584
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  • 9
    Electronic Resource
    Electronic Resource
    Properties of a differential pressure pseudospark device (2000)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 71 (2000), S. 93-99 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A differential pressure pseudospark device is developed to produce a discharge at a pressure of 10−4 mbar near the anode. This pressure range is two orders in magnitude lower than conventional pseudospark devices. In this device a pressure gradient is maintained between the cathode and the anode by providing a gas flow through the discharge column. The pressure gradient helps in shifting the Paschen curve more towards the left in comparison to the conventional case. The empirical relationship V∝(p2dD)−2, valid without a gas flow, is not applicable when the pressure difference between the cathode and the anode is over two orders in magnitude. Self-biasing collector technique reveals the presence of energetic electrons (0.4–1.2 keV) present in the plasma downstream of the anode. The nature of this plasma at two distinct pressure ranges of operation of the device shows marked difference in properties. A qualitative discussion is presented that explains the possible discharge mechanism in this device. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1150167
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  • 10
    Electronic Resource
    Electronic Resource
    Enhancement technique in the measurement of alternating current susceptibility (1997)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 68 (1997), S. 2834-2837 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: The enhancement technique is basically the measurement of the ac susceptibility in the presence of a second biasing field (pulsed dc or ac). This useful technique will be adopted for modification of the ac susceptometer. A proportional integral derivative controller, commonly used in temperature controllers, and a voltage to current converter with variable gain and sign, play special roles in this measurement technique. A second sinusoidal ac field (in addition to the measuring field) is used as the biasing field. The technique is a very useful one to obtain quantitative information about domain wall pinning, domain contribution to magnetization, etc. in the magnetic systems. © 1997 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1148204
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