Abstract
We report the crystal structure and physical properties of Sr2-xLaxIrO4 synthesized by mechanical alloying. The magnetic transition temperature TN and electrical resistivity decreased with increasing La doping, consistent with previous studies involving single-crystalline samples. We also identified the relationship between TN and tetragonal distortion (c/a) in this system. This result suggests that the magnetism of the Sr214 system is strongly correlated with its crystal structure. Zero-field muon spin rotation/relaxation studies revealed that short-range antiferromagnetic ordering is realized in Sr1.9La0.1IrO4; also, the spin-glass state is stabilized in the low-temperature region. The Ir moment estimated from the longitudinal field μSR results is 0.045μB, ten times smaller than that of Sr2IrO4 (∼0.4μB), indicating that electrons are introduced into the Ir atoms.
| Original language | English |
|---|---|
| Article number | 064425 |
| Journal | Physical Review B |
| Volume | 97 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - Feb 28 2018 |
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ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
Cite this
Magnetic phase diagram of S r2-x L axIr O4 synthesized by mechanical alloying. / Horigane, Kazumasa; Fujii, M.; Okabe, H.; Kobayashi, Kaya; Horie, Rie; Ishii, H.; Liao, Y. F.; Kubozono, Yoshihiro; Koda, A.; Kadono, R.; Akimitsu, Jun.
In: Physical Review B, Vol. 97, No. 6, 064425, 28.02.2018.Research output: Contribution to journal › Article
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TY - JOUR
T1 - Magnetic phase diagram of S r2-x L axIr O4 synthesized by mechanical alloying
AU - Horigane, Kazumasa
AU - Fujii, M.
AU - Okabe, H.
AU - Kobayashi, Kaya
AU - Horie, Rie
AU - Ishii, H.
AU - Liao, Y. F.
AU - Kubozono, Yoshihiro
AU - Koda, A.
AU - Kadono, R.
AU - Akimitsu, Jun
PY - 2018/2/28
Y1 - 2018/2/28
N2 - We report the crystal structure and physical properties of Sr2-xLaxIrO4 synthesized by mechanical alloying. The magnetic transition temperature TN and electrical resistivity decreased with increasing La doping, consistent with previous studies involving single-crystalline samples. We also identified the relationship between TN and tetragonal distortion (c/a) in this system. This result suggests that the magnetism of the Sr214 system is strongly correlated with its crystal structure. Zero-field muon spin rotation/relaxation studies revealed that short-range antiferromagnetic ordering is realized in Sr1.9La0.1IrO4; also, the spin-glass state is stabilized in the low-temperature region. The Ir moment estimated from the longitudinal field μSR results is 0.045μB, ten times smaller than that of Sr2IrO4 (∼0.4μB), indicating that electrons are introduced into the Ir atoms.
AB - We report the crystal structure and physical properties of Sr2-xLaxIrO4 synthesized by mechanical alloying. The magnetic transition temperature TN and electrical resistivity decreased with increasing La doping, consistent with previous studies involving single-crystalline samples. We also identified the relationship between TN and tetragonal distortion (c/a) in this system. This result suggests that the magnetism of the Sr214 system is strongly correlated with its crystal structure. Zero-field muon spin rotation/relaxation studies revealed that short-range antiferromagnetic ordering is realized in Sr1.9La0.1IrO4; also, the spin-glass state is stabilized in the low-temperature region. The Ir moment estimated from the longitudinal field μSR results is 0.045μB, ten times smaller than that of Sr2IrO4 (∼0.4μB), indicating that electrons are introduced into the Ir atoms.
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U2 - 10.1103/PhysRevB.97.064425
DO - 10.1103/PhysRevB.97.064425
M3 - Article
VL - 97
JO - Physical Review B
JF - Physical Review B
SN - 2469-9950
IS - 6
M1 - 064425
ER -