Abstract
We present results of low-temperature two-magnon resonance Raman excitation profile measurements for single-layer (Formula presented)Cu(Formula presented)(Formula presented) and bilayer (Formula presented) antiferromagnets over the excitation region from 1.65 to 3.05 eV. These data reveal composite structure of the two-magnon line shape and strong nonmonotic dependence of the scattering intensity on excitation energy. We analyze these data using the triple resonance theory of Chubukov and Frenkel and deduce information about magnetic interaction and band parameters in these materials.
| Original language | English (US) |
|---|---|
| Pages (from-to) | R11930-R11933 |
| Journal | Physical Review B - Condensed Matter and Materials Physics |
| Volume | 53 |
| Issue number | 18 |
| DOIs | |
| State | Published - 1996 |
All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
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