The Exchange of Energy Between Organic Molecules and Solid Surfaces Part II. Accommodation Coefficients and Specific Heats of Paraffin Hydrocarbons and the Influence of Temperature on the Accommodation Coefficients (Including Argon) at Some 10—6 mm (Hg) Pressure

The law of Neumann assumes that when an atom enters into chemical combination it retains the same capacity for heat as when in the uncombined or elemental state. This generalisation is, however, based on the values observed for the mean specific heats of elements and their compounds between 0° and 100° C. Attention was directed in Part II. of this investigation to the great differences found in the influence of temperature on the specific heats of various metals, such as aluminium on the one hand, and silver or platinum on the other. The experiments now about to be described were undertaken with the object of ascertaining to what extent these differences persist in the compounds of such elements.

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Influence of Temperature on the Concentration Quenching of Sensitized Phosphorescence of Organic Molecules in n-Paraffin Solutions

Journal of Applied Spectroscopy ◽

10.1023/b:japs.0000016305.56597.9d ◽

2003 ◽

Vol 70 (6) ◽

pp. 880-884

Author(s):

M. I. Deryabin ◽

O. I. Kulikova

Keyword(s):

Organic Molecules ◽

Concentration Quenching ◽

Influence Of Temperature ◽

Influence Of Temperature On ◽

Sensitized Phosphorescence

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Influence of Temperature on Photoinduced Reactions of Organic Molecules in the Gas Phase

Journal of Applied Spectroscopy ◽

10.1023/b:japs.0000039963.21274.6f ◽

2004 ◽

Vol 71 (3) ◽

pp. 366-374

Author(s):

G. A. Zalesskaya ◽

E. G. Sambor ◽

N. N. Belyi

Keyword(s):

Gas Phase ◽

Organic Molecules ◽

Influence Of Temperature ◽

Influence Of Temperature On ◽

Photoinduced Reactions

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The effect of temperature on high-resolution TEM image contrast

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100139573 ◽

1995 ◽

Vol 53 ◽

pp. 640-641

Author(s):

T. Geipel ◽

W. Mader ◽

P. Pirouz

Keyword(s):

Form Factor ◽

Inelastic Scattering ◽

Accurate Method ◽

Waller Factor ◽

Effect Of Temperature ◽

Specimen Thickness ◽

Influence Of Temperature ◽

Debye Waller Factor ◽

Influence Of Temperature On ◽

Atomic Form Factor

Temperature affects both elastic and inelastic scattering of electrons in a crystal. The Debye-Waller factor, B, describes the influence of temperature on the elastic scattering of electrons, whereas the imaginary part of the (complex) atomic form factor, fc = fr + ifi, describes the influence of temperature on the inelastic scattering of electrons (i.e. absorption). In HRTEM simulations, two possible ways to include absorption are: (i) an approximate method in which absorption is described by a phenomenological constant, μ, i.e. fi; - μfr, with the real part of the atomic form factor, fr, obtained from Hartree-Fock calculations, (ii) a more accurate method in which the absorptive components, fi of the atomic form factor are explicitly calculated. In this contribution, the inclusion of both the Debye-Waller factor and absorption on HRTEM images of a (Oll)-oriented GaAs crystal are presented (using the EMS software.Fig. 1 shows the the amplitudes and phases of the dominant 111 beams as a function of the specimen thickness, t, for the cases when μ = 0 (i.e. no absorption, solid line) and μ = 0.1 (with absorption, dashed line).

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