Measurements of equilibrium vacancy concentrations in aluminum

RO Simmons, RW Balluffi - Physical Review, 1960 - APS
Measurements of change in length and change in lattice parameter were made at identical
temperatures on 99.995% aluminum in the temperature range 229 to 656 C. Length changes, …

Measurement of equilibrium concentrations of lattice vacancies in gold

RO Simmons, RW Balluffi - Physical Review, 1962 - APS
The linear thermal expansion of a 99.999% gold bar has been measured throughout the
range 15 to 1057 C by direct observation of the length expansion Δ LL, with filar micrometer …

Measurement of equilibrium concentrations of vacancies in copper

RO Simmons, RW Balluffi - Physical Review, 1963 - APS
The net added fraction of thermally-generated atomic sites, Δ NN, has been measured, during
equilibrium heating to near the melting point, in a coarse-grained copper bar of 99.999% …

Measurements of the high-temperature electrical resistance of aluminum: resistivity of lattice vacancies

RO Simmons, RW Balluffi - Physical Review, 1960 - APS
The electrical resistance of a 99.995% aluminum wire was measured at temperatures from
14 to 655 C. Values of temperature coefficient of resistance and of resistivity are derived; they …

X-ray study of deuteron-irradiated copper near 10 K

RO Simmons, RW Balluffi - Physical Review, 1958 - APS
Precise measurements of lattice expansion of high-purity copper held near 10 K during
deuteron bombardment were made using a rotating single-crystal method. An expansion of (4.1±…

Measurement of the equilibrium concentration of lattice vacancies in silver near the melting point

RO Simmons, RW Balluffi - Physical Review, 1960 - APS
Relative changes in macroscopic length, Δ LL, and x-ray lattice parameter, Δ aa, of a 99.999%
silver bar have been measured from 14 to 956 C, using a rigid parallel pair of filar …

Changes in macroscopic shape, lattice parameter, and density in crystals due to point defects

RW Balluffi, RO Simmons - Journal of Applied Physics, 1960 - pubs.aip.org
It is demonstrated that a crystal of arbitrary shape filled with a fine random distribution of
centers of dilatation will dilate homogeneously. No elastic approximations are made, and the …

Low-temperature thermal expansion of copper

RO Simmons, RW Balluffi - Physical Review, 1957 - APS
A rotating single-crystal back-reflection x-ray diffraction technique has been used to measure
the thermal expansivity of copper. Values of the linear thermal expansion coefficient are …

Measurement of Equilibrium Vacancy Concentrations in Dilute Aluminum-Silver Alloys

DR Beaman, RW Balluffi, RO Simmons - Physical Review, 1964 - APS
Precision measurements were made of the differential length expansions (Δ L′ L′− Δ L 0
L 0) and differential x-ray lattice parameter expansions (Δ a′ a′− Δ a 0 a 0) between …

X‐Ray and Expansion Effects Produced by Imperfections in Solids: Deuteron‐Irradiated Germanium

RO Simmons, RW Balluffi - Journal of Applied Physics, 1959 - pubs.aip.org
Important information concerning atomic models of the defects in damaged crystals can be
obtained from measurements of bulk length changes, ΔL/L, and x‐ray lattice parameter …