Change of the lattice constant and the debye temperature in concentration magnetic phase transitions in alloys based on fcc FeNot Availabledoi:10.1007/BF01882983A. V. DeryabinV. I. RimlyandB. N. ShvetsovKluwer Academic Publishers-Plenum PublishersSoviet Physics Journal...
Scanning electron microscopy images show that the inverse opal possesses face-centered-cubic symmetry with a lattice constant of 240 nm. The transmission ... P Ni,B Cheng,D Zhang - 《Applied Physics Letters》 被引量: 83发表: 2002年 Nanocrystal [Ti 14 C 13 ] to Metallocarbohedrene [Ti 8...
Fcc-bcc Phase Transition of Te Sublattice in Superionic Conductor Ag2Te: A Molecular Dynamics Study The fcc-bcc phase transition of the Te sublattice in superionic conductor AgTe is investigated by means of a constant temperature and constant pressure mol... F Shimojo,H Okazaki - 《Journal ...
(BCC) lattice structure,a1=ai,a2=aj,a3=(i+j+k)a/2, with a lattice constant of ∣a1∣=∣a2∣=∣a3∣=2.8665 Å. (c) Sodium chloride (NaCl) has a face-centered cubic (FCC) lattice structure,a1=(i+j)a/2,a2=(j+k)a/2,a3=(i+k)a/2 with a lattice constant ∣a1∣=∣a2...
This reaction is used for a neutron source even now. 3.5.1 Neutrons in free space The neutron is a particle unstable in a free state and decays by beta disintegration with the decay constant of 886.7±1.9s (or the half-life of 616 s) into a proton p, electron e and neutrino v_e ...
Calculate the lattice constant, a, of the cubic unit cell. If the space lattice is SC, the lattice constant is given by the formula a = [2 x r]. For example, the lattice constant of the SC-crystallized polonium is [2 x 0.167 nm], or 0.334 nm. If the space lattice is FCC, the...
Next the force constants of the metals are evaluated at this lattice constant of the alloy. The lattice dynamics and elastic constants of the Ni0.55Pd0.45 alloy are then computed by using the force constants and mass for the alloy, obtained by the concentration averages of the force constants...
It is found that the lattice constant of α-Fe(Si) phase is increased, whereas the a-axis is elongated and the c-axis is shortened simultaneously for Fe2B phase with the decrease of grain size. The above results are attributed to a super-saturation of vacancies in the nanophases examined...
The cube has a side of length equal to the lattice constant a. For a cubic lattice, it can be shown that the (h,k,l) set of lattice planes has a lattice-plane spacing given by: (8.1)dhkl=a/(h2+k2+l2)1/2. It follows that: (8.2)(a/dhkl)2=h2+k2+l2. When an electron ...
The method is built on a lattice-switch transformation that maps a configuration of one structure onto a candidate configuration of the other by "switching" one set of lattice vectors for the other, while keeping the displacements with respect to the lattice sites constant. The sampling of the ...