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Ideal nanocheckerboard BiFeO3-BiMnO3 from first principles
| Content Provider | Semantic Scholar |
|---|---|
| Author | Pálová, Lucia Rabe, Karin M. |
| Copyright Year | 2008 |
| Abstract | Structure Ideal Distortion along z Distortion al. y Distortion al. [111] Magnetic order FeAFMMnFM * FeAFMMnFM * FeAFMMnFM Energy difference [eV] -0.519 -1.485 -1.623 -2.567 Gap [eV] Metallic Metallic 0.59 0.88 1.24 / 3.52 4.08, 1.22 / 3.65, 3.72 4.06, 0.06 / 3.06, 3.57 4.07, -4.04 / 3.71, 3.69 Magnetic order FeFMMnAFM (+ + +) ** FeFMMnAFM FeFMMnAFM FeFMMnAFM Energy difference [eV] -0.432 -1.263 -1.642 -2.466 Gap [eV] Metallic Half-metallic 0.58 0.95 1.18, -1.20 / 3.68, -3.19 4.08, 0.22 / 3.69, -2.904.08, 0.87 / 3.72, -3.524.08, 4.11 / -3.50, 3.75 Lowest in energy is R3c structure with rotation of oxygen Magnetic order G-AFM (+ +) G – AFM G – AFM G – AFM octahedra and distortion of ions along [111] direction; Energy difference [eV] -0.303 -1.202 -2.364 -2.463 Gap [eV] Metallic 1.12 1.55 0.94 0.51 / 3.38 0.99 / 3.52 3.98 / 3.54 4.04 / 3.54 Magnetic order C – FIM (+ + -) C – FIM C – FIM C – FIM Energy difference [eV] 0.000 -2.045 -2.128 -2.418 Gap [eV] Half-metallic 0.56 0.84 0.39 0.39 / -3.18 4.01 / 3.49 4.03 / 3.55 4.08 / 3.58 Magnetic order FeAFMMnAFM (+ + -) FeAFMMnAFM FeAFMMnAFM FeAFMMnAFM Energy difference [eV] -0.355 -0.785 -2.178 -2.377 Gap [eV] Metallic Metallic 1.31 0.85 1.18 / 3.50 1.14 / 3.57 4.02 / 3.65 4.07 / 3.71 Magnetic order FM (+ + + +) FM FM FM Energy difference [eV] -0.519 -1.763 -1.937 -2.261 Gap [eV] Metallic Metallic Metallic 0.13 1.24 / 3.52 3.86 / 3.41 3.83 / 3.40 4.11 / 3.79 * converges to (+ + + +) : FM order Energy diff. per double perovskite cell ** converges to (+ + -) : FeAFMMnAFM order FeAFMMnFM (+ + +) * |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://www.physics.rutgers.edu/~lpalova/nanobfobmosb08.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |