Abstract
We present the temperature and magnetic-field dependencies of the c-axis magnetization of a UCoAl single crystal under various uniaxial pressures exerted along the c-axis. The main result obtained is the uniaxial-pressure-induced reduction of the critical field of the metamagnetic transition followed by the formation of ferromagnetism at higher uniaxial-pressures. These and other associated results are discussed in comparison with corresponding data obtained by applying hydrostatic pressure on the same material. A scenario considering a variation of the anisotropic 5f-ligand hybridization and its consequences induced by the two different types of applied pressure is an important base for the discussion. The pressure-induced variations of the 5f-3d hybridization within the basal plane of the ZrNiAl-type hexagonal structure seem to be the underlying aspect of the evolution of the magnetism in UCoAl.
| Original language | English |
|---|---|
| Pages (from-to) | 160-166 |
| Number of pages | 7 |
| Journal | Physica B: Condensed Matter |
| Volume | 334 |
| Issue number | 1-2 |
| DOIs | |
| Publication status | Published - 2003 |
| Externally published | Yes |
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Keywords
- Ferromagnetism
- Itinerant-electron metamagnetism
- Magnetic properties
- UCoAl
- Uniaxial pressure
- Uranium intermetallics
ASJC Scopus subject areas
- Materials Science(all)
- Condensed Matter Physics
Cite this
Ferromagnetism induced in UCoAl under uniaxial pressure. / Ishii, Yasuyuki; Kosaka, M.; Uwatoko, Y.; Andreev, A. V.; Sechovský, V.
In: Physica B: Condensed Matter, Vol. 334, No. 1-2, 2003, p. 160-166.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Ferromagnetism induced in UCoAl under uniaxial pressure
AU - Ishii, Yasuyuki
AU - Kosaka, M.
AU - Uwatoko, Y.
AU - Andreev, A. V.
AU - Sechovský, V.
PY - 2003
Y1 - 2003
N2 - We present the temperature and magnetic-field dependencies of the c-axis magnetization of a UCoAl single crystal under various uniaxial pressures exerted along the c-axis. The main result obtained is the uniaxial-pressure-induced reduction of the critical field of the metamagnetic transition followed by the formation of ferromagnetism at higher uniaxial-pressures. These and other associated results are discussed in comparison with corresponding data obtained by applying hydrostatic pressure on the same material. A scenario considering a variation of the anisotropic 5f-ligand hybridization and its consequences induced by the two different types of applied pressure is an important base for the discussion. The pressure-induced variations of the 5f-3d hybridization within the basal plane of the ZrNiAl-type hexagonal structure seem to be the underlying aspect of the evolution of the magnetism in UCoAl.
AB - We present the temperature and magnetic-field dependencies of the c-axis magnetization of a UCoAl single crystal under various uniaxial pressures exerted along the c-axis. The main result obtained is the uniaxial-pressure-induced reduction of the critical field of the metamagnetic transition followed by the formation of ferromagnetism at higher uniaxial-pressures. These and other associated results are discussed in comparison with corresponding data obtained by applying hydrostatic pressure on the same material. A scenario considering a variation of the anisotropic 5f-ligand hybridization and its consequences induced by the two different types of applied pressure is an important base for the discussion. The pressure-induced variations of the 5f-3d hybridization within the basal plane of the ZrNiAl-type hexagonal structure seem to be the underlying aspect of the evolution of the magnetism in UCoAl.
KW - Ferromagnetism
KW - Itinerant-electron metamagnetism
KW - Magnetic properties
KW - UCoAl
KW - Uniaxial pressure
KW - Uranium intermetallics
UR - http://www.scopus.com/inward/record.url?scp=0037568283&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0037568283&partnerID=8YFLogxK
U2 - 10.1016/S0921-4526(03)00041-3
DO - 10.1016/S0921-4526(03)00041-3
M3 - Article
VL - 334
SP - 160
EP - 166
JO - Physica B: Condensed Matter
JF - Physica B: Condensed Matter
SN - 0921-4526
IS - 1-2
ER -