TITLE

Conversion method of powder inelastic scattering data for one-dimensional systems

AUTHOR(S)
Tomiyasu, K.; Fujita, M.; Kolesnikov, A. I.; Bewley, R. I.; Bull, M. J.; Bennington, S. M.
PUB. DATE
March 2009
SOURCE
Applied Physics Letters;3/2/2009, Vol. 94 Issue 9, pN.PAG
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Extracting dispersive magnetic excitations from inelastic neutron scattering data usually requires large single crystals. We present a simple yet powerful method for extracting such information from polycrystalline or powder data for one-dimensional systems. We demonstrate the effectiveness of this data treatment by extracting dispersion curves from powder inelastic neutron scattering data on the one-dimensional spin-half systems: CuGeO3 and Rb2Cu2Mo3O12. For many such materials, it is not possible to grow sufficiently large crystals and this method offers a quick and efficient way to study their magnetic excitations.
ACCESSION #
36941030

 

Related Articles

  • Relaxation cascade in solids: microscopic theory. Ovchinnikov, Yu. N.; Kresin, V. Z. // European Physical Journal B -- Condensed Matter;Apr2003, Vol. 32 Issue 3, p297 

    : The relaxation of an electron excited to the high energy region, is accompanied by the creation of various excitations (plasmons, quasi-particles, phonons). The stages of this many-body, non-stationary phenomenon (cascade) are described microscopically. The electron distribution function...

  • Influence of particle oxide coating on light scattering by submicron metal particles on silicon wafers. Jung Hyeun Kim; Ehrman, Sheryl H.; Germer, Thomas A. // Applied Physics Letters;2/23/2004, Vol. 84 Issue 8, p1278 

    We report the effect of room-temperature oxidation on scattering of 633 nm light by copper particles deposited on a silicon wafer. The results provide a validation for a theory of light scattering by coated particles on a substrate and establish the lifetime of these particles as light...

  • Development of enhancement mode AlN/GaN high electron mobility transistors. Chang, C. Y.; Pearton, S. J.; Lo, C. F.; Ren, F.; Kravchenko, I. I.; Dabiran, A. M.; Wowchak, A. M.; Cui, B.; Chow, P. P. // Applied Physics Letters;6/29/2009, Vol. 94 Issue 26, p263505 

    Enhancement mode AlN/GaN high electron mobility transistors (HEMTs) were fabricated from originally depletion-mode structures using oxygen plasma treatment on the gate area prior to the gate metallization. Starting with a depletion mode AlN/GaN HEMT, the threshold voltage of the HEMT could be...

  • Elastic and rotational excitation cross-sections for electron-water collisions in the low- and intermediate-energy ranges. Machado, L. E.; Brescansin, L. M.; Iga, I.; Lee, M.-T. // European Physical Journal D -- Atoms, Molecules, Clusters & Opti;May2005, Vol. 33 Issue 2, p193 

    We present a theoretical study on electron-H2O collisions in the low- and intermediate-energy ranges. More specifically, we report calculated elastic differential, integral and momentum transfer cross-sections as well as rotational excitation cross-sections in the (2–500)-eV range. In our...

  • Polarization Phenomena in N N ↔ DÏ€ Reactions. Illarionov, A. Yu.; Lykasov, G. I. // Physics of Atomic Nuclei;Aug2001, Vol. 64 Issue 8, p1392 

    On the basis of a relativistic approach, NN ↔ Dπ reactions are analyzed in detail. The coherent sum of one-nucleon-exchange and pion-rescattering diagrams is calculated. It is shown that polarization observables are highly sensitive to off-mass-shell effects within the deuteron and...

  • Nuclear-Rainbow Scattering and Nucleus—Nucleus Potentials at Short Distances. von Oertzen, W.; Blazevic, A.; Bohlen, H. G.; Khoa, Dao T.; Nouffer, F.; Roussel-Chomaz, P.; Mittig, W.; Casandjian, J. M. // Physics of Atomic Nuclei;Apr2002, Vol. 65 Issue 4, p678 

    The elastic scattering of strongly bound nuclei at energies of 10 to 70 MeV per nucleon shows the phenomenon of "rainbow scattering." A nuclear rainbow appears because of deflection to negative angles. This process involves a strong overlap of nuclear densities, with values of up to twice the...

  • Investigation of the Nucleon Spin in Neutrino Processes. Timoshin, S. I. // Physics of Atomic Nuclei;Feb2003, Vol. 66 Issue 2, p302 

    The possibility of obtaining new information about the spin properties of the nucleon from observables of the deep-inelastic scattering of neutrinos and antineutrinos on polarized nucleons that is caused by a weak neutral current is discussed.

  • Asymptotic transition probabilities. Arredondo R., J. H. // Journal of Mathematical Physics;Oct89, Vol. 30 Issue 10, p2291 

    The impact parameter model for the scattering of two heavy particles and a light one is studied. The asymptotic behavior of the transition probability is studied when the relative velocity of the heavy particles goes to zero. In particular, rigorous proof is given from first principles, within...

  • Two theorems on the kernel of Faddeev equations for the scattering of three charged particles and some applications. Latypov, D. M.; Mukhamedzhanov, A. M. // Journal of Mathematical Physics;Oct93, Vol. 34 Issue 10, p4554 

    The operator TcG0, which represents the singular part of the kernel of the Faddeev equations for the scattering of charged particles above breakup threshold, is studied. The operator is considered in two classes of functions. The functions from the first class have an on-shell limit and the...

Share

Read the Article

Courtesy of VIRGINIA BEACH PUBLIC LIBRARY AND SYSTEM

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics