Abstract
The intermediate-valence compound CeNi experiences a pressure-induced first-order structural phase transition with an abrupt change in the unit cell volume, and as such constitutes an attractive system to study pressure-driven f-electron delocalization behavior in a system with an unstable f-electron shell. The inelastic neutron scattering study of the dynamic magnetic response of CeNi reveals that the structural transition increases the characteristic energy of magnetic fluctuations due to enhanced Ce 4f-Ni 3d hybridization. At the same time, the inelastic 4f magnetic form factor remains unchanged.
| Original language | English |
|---|---|
| Article number | 024401 |
| Journal | Physical Review B |
| Volume | 99 |
| Issue number | 2 |
| DOIs | |
| State | Published - Jan 2 2019 |
Funding
We are indebted to Jim G. Tobin for his interest to this work and stimulating discussions. Research at Oak Ridge National Laboratory's Spallation Neutron Source was supported by the Scientific User Facilities Division, Office of Basic Energy Sciences, U.S. Department of Energy. Part of this work was supported by the Materials Sciences and Engineering Division, U.S. Department of Energy, Basic Energy Sciences. Work at RFNC-VNIITF was supported in part by Contract No. B601122 between LLNL and RFNC-VNIITF.
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