Hexagonal ErMnO3

Spectroscopic signatures of domain walls in hexagonal ErMnO3

Spectroscopic signatures of domain walls in hexagonal ErMnO3 Q.-C. Sun,1,* Xiaoxiang Xi,2 X. Wang,3 N. Lee,3,† D. Mazumdar,1 R. J. Smith,2 G. L. Carr,2 S.-W. Cheong,3 and J. L. Musfeldt1 1Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996, USA 2Photon Sciences, Brookhaven National Laboratory, Upton, New York 11973, USA 3Rutgers Center for Emergent Materials and Departm...

Magneto- to electroactive transmutation of spin waves in ErMnO3.

The low-energy dynamical properties of the multiferroic hexagonal perovskite ErMnO3 have been studied by inelastic neutron scattering as well as terahertz and far infrared spectroscopies on a synchrotron source. From these complementary techniques, we have determined the magnon and crystal field spectra and identified a zone center magnon excitable only by the electric field of an electromagnet...

Adjunct Hexagonal Array Token Petri Nets and Hexagonal Picture Languages

Adjunct Hexagonal Array Token Petri Net Structures (AHPN) are recently introduced hexagonal picture generating devices which extended the Hexagonal Array Token Petri Net Structures . In this paper we consider AHPN model along with a control feature called inhibitor arcs and compare it with some expressive hexagonal picture generating and recognizing models with respect to the generating power.

Hexagonal Qmf Banks and Wavelets Hexagonal Qmf Banks and Wavelets

Analysis of chaotic vibration in a hexagonal centrifugal governor system

In this paper, the periodic, quasi periodic and chaotic responses of rotational machines with a hexagonal centrifugal governor are studied. The external disturbance is assumed as a sinusoid effect. By using the forth order Rung-Kutta numerical integration method, bifurcation diagram, largest Lyapunov exponent and Lyapunov dimension are calculated and presented to detect the critical controlling...