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SmCo8
Binary
Overview
Magnetic flux density1.147T
Magnetization density0.098μB Å−3
Total spin moment71.667μB cell−1
MP-reference hull distance0.095eV atom−1
Cell volume728.600Å3
Number of atoms54atoms
Chemical system Sm-Co
Calculation Converged
Final Relaxed Cell
Calculated-cell formulaCo48Sm6
a, b, c8.402, 8.402, 11.917 Å
α, β, γ90.000, 90.000, 120.000°
Cell volume728.600 Å3
Volume per atom13.493 Å3 atom−1
Formula units, Z6
Final Symmetry
Space groupR3m (No. 160)
Crystal systemTrigonal
Point group3m
Hall symbolR 3 -2"
Pearson symbolhR18
Occupied Wyckoff Sites
| Site | Element | Wyckoff position | Multiplicity | Site symmetry |
|---|---|---|---|---|
| Sm1 | Sm | 3a | 3 | 3m |
| Sm2 | Sm | 3a | 3 | 3m |
| Co1 | Co | 9b | 9 | .m |
| Co2 | Co | 3a | 3 | 3m |
| Co3 | Co | 18c | 18 | 1 |
| Co4 | Co | 9b | 9 | .m |
| Co5 | Co | 9b | 9 | .m |
Prototype Relationship
Cell Magnetization
Total spin moment71.667 μB cell−1
Moment per atom1.327 μB atom−1
Magnetization density0.098 μB Å−3
μ0M1.147 T
PAW-sphere total73.983 μB cell−1
Interstitial remainder-2.316 μB cell−1
Sublattice Magnetization
Rare-earth sublattice-1.521 μB
Transition-metal sublattice75.504 μB
RE–TM alignmentAntiparallel
Element-Resolved Moments
| Element | Atoms | PAW-sphere totalμB | Mean per atomμB atom−1 | RangeμB |
|---|---|---|---|---|
| Sm | 6 | -1.521 | -0.254 | -0.254 to -0.253 |
| Co | 48 | 75.504 | 1.573 | 1.511 to 1.654 |
Site-Resolved PAW-Sphere Moments
| Site | Element | Wyckoff | sμB | pμB | dμB | TotalμB |
|---|---|---|---|---|---|---|
| 1 | Sm | a | -0.013 | -0.026 | -0.215 | -0.254 |
| 2 | Sm | a | -0.013 | -0.026 | -0.215 | -0.254 |
| 3 | Sm | a | -0.014 | -0.026 | -0.213 | -0.253 |
| 4 | Sm | a | -0.014 | -0.026 | -0.213 | -0.253 |
| 5 | Sm | a | -0.013 | -0.026 | -0.215 | -0.254 |
| 6 | Sm | a | -0.014 | -0.026 | -0.213 | -0.253 |
| 7 | Co | b | -0.010 | -0.049 | 1.665 | 1.606 |
| 8 | Co | b | -0.010 | -0.049 | 1.665 | 1.606 |
| 9 | Co | b | -0.010 | -0.049 | 1.665 | 1.606 |
| 10 | Co | b | -0.010 | -0.049 | 1.665 | 1.606 |
| 11 | Co | b | -0.010 | -0.049 | 1.665 | 1.606 |
| 12 | Co | b | -0.010 | -0.049 | 1.665 | 1.606 |
| 13 | Co | b | -0.010 | -0.049 | 1.665 | 1.606 |
| 14 | Co | b | -0.010 | -0.049 | 1.665 | 1.606 |
| 15 | Co | b | -0.010 | -0.049 | 1.665 | 1.606 |
| 16 | Co | a | -0.004 | -0.045 | 1.704 | 1.654 |
| 17 | Co | c | -0.009 | -0.047 | 1.637 | 1.581 |
| 18 | Co | c | -0.009 | -0.047 | 1.637 | 1.581 |
| 19 | Co | c | -0.009 | -0.047 | 1.637 | 1.581 |
| 20 | Co | c | -0.009 | -0.047 | 1.637 | 1.581 |
| 21 | Co | a | -0.004 | -0.045 | 1.704 | 1.654 |
| 22 | Co | a | -0.004 | -0.045 | 1.704 | 1.654 |
| 23 | Co | c | -0.009 | -0.047 | 1.637 | 1.581 |
| 24 | Co | c | -0.009 | -0.047 | 1.637 | 1.581 |
| 25 | Co | c | -0.009 | -0.047 | 1.637 | 1.581 |
| 26 | Co | c | -0.009 | -0.047 | 1.637 | 1.581 |
| 27 | Co | c | -0.009 | -0.047 | 1.637 | 1.581 |
| 28 | Co | c | -0.009 | -0.047 | 1.637 | 1.581 |
| 29 | Co | c | -0.009 | -0.047 | 1.637 | 1.581 |
| 30 | Co | c | -0.009 | -0.047 | 1.637 | 1.581 |
| 31 | Co | c | -0.009 | -0.047 | 1.637 | 1.581 |
| 32 | Co | c | -0.009 | -0.047 | 1.637 | 1.581 |
| 33 | Co | b | -0.006 | -0.052 | 1.616 | 1.559 |
| 34 | Co | b | -0.006 | -0.052 | 1.616 | 1.559 |
| 35 | Co | c | -0.009 | -0.047 | 1.637 | 1.581 |
| 36 | Co | c | -0.009 | -0.047 | 1.637 | 1.581 |
| 37 | Co | c | -0.009 | -0.047 | 1.637 | 1.581 |
| 38 | Co | c | -0.009 | -0.047 | 1.637 | 1.581 |
| 39 | Co | b | -0.009 | -0.046 | 1.567 | 1.511 |
| 40 | Co | b | -0.009 | -0.046 | 1.567 | 1.511 |
| 41 | Co | b | -0.009 | -0.046 | 1.567 | 1.511 |
| 42 | Co | b | -0.009 | -0.046 | 1.567 | 1.511 |
| 43 | Co | b | -0.009 | -0.046 | 1.567 | 1.511 |
| 44 | Co | b | -0.009 | -0.046 | 1.567 | 1.511 |
| 45 | Co | b | -0.006 | -0.052 | 1.616 | 1.559 |
| 46 | Co | b | -0.006 | -0.052 | 1.616 | 1.559 |
| 47 | Co | b | -0.006 | -0.052 | 1.616 | 1.559 |
| 48 | Co | b | -0.006 | -0.052 | 1.616 | 1.559 |
| 49 | Co | b | -0.006 | -0.052 | 1.616 | 1.559 |
| 50 | Co | b | -0.006 | -0.052 | 1.616 | 1.559 |
| 51 | Co | b | -0.006 | -0.052 | 1.616 | 1.559 |
| 52 | Co | b | -0.009 | -0.046 | 1.567 | 1.511 |
| 53 | Co | b | -0.009 | -0.046 | 1.567 | 1.511 |
| 54 | Co | b | -0.009 | -0.046 | 1.567 | 1.511 |
Convex Hull: Sm-Co
Energy above hull 0.095 eV/atom
Reference set loading
Candidates on this hull loading
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VASP Calculation
MethodCollinear spin-polarized DFT
Exchange-correlationPBE
Plane-wave cutoff520.0 eV
PrecisionNormal
Electronic convergence0.0001 eV
Ionic convergence-0.01 eV Å−1
Initial MAGMOM6*5.0 48*2.0
RelaxationIBRION 1, ISIF 3, NSW 100
View exact INCAR
ADDGRID = True ALGO = Normal EDIFF = 0.0001 EDIFFG = -0.01 ENCUT = 520.0 IBRION = 1 ISIF = 3 ISMEAR = 1 ISPIN = 2 LAECHG = False LASPH = True LCHARG = False LMAXMIX = 6 LORBIT = 11 LREAL = Auto LWAVE = False MAGMOM = 6*5.0 48*2.0 NCORE = 4 NELM = 120 NSW = 100 POTIM = 0.2 PREC = Normal SIGMA = 0.05
Brillouin-Zone Sampling
SchemeGamma
Mesh3 × 3 × 2
Maximum reciprocal spacing0.28782 Å−1
View exact KPOINTS
pymatgen with grid density = 1165 / number of atoms 0 Gamma 3 3 2
PAW Potentials
| Element | VASP TITEL | ZVAL | ENMAXeV |
|---|---|---|---|
| Sm | PAW_PBE Sm_3 07Sep2000 | 11.000 | 177.087 |
| Co | PAW_PBE Co 06Sep2000 | 9.000 | 267.969 |