Abstract
Polarized inelastic light scattering experiments on Cu1-cusive Greek chiZncusive Greek chiGeO3 (0 ≤ cusive Greek chi ≤ 0.045) single crystals show for cusive Greek chi ≠ 0 a new distinct mode at nearly half the energy of the singlet response below the spin-Peierls transition. The temperature, magnetic field, polarization, and doping dependences of this mode are similar to those of the singlet bound state. The data are interpreted in terms of a spinon-assisted light scattering process. Position and form of the peak provide strong evidence for the presence of dopant-bound spinons in Cu1-cusive Greek chiZncusive Greek chiGeO3.
Original language | English |
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Pages (from-to) | 463-468 |
Number of pages | 6 |
Journal | Europhysics Letters |
Volume | 43 |
Issue number | 4 |
DOIs | |
Publication status | Published - Aug 15 1998 |
Externally published | Yes |
ASJC Scopus subject areas
- Physics and Astronomy(all)