Home / Magnets / YFe7Cr (MAG-000137)

YFe7Cr

Ternary

Crystal Structure

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Overview

Magnetic flux density1.078T
Magnetization density0.092μB Å−3
Total spin moment11.239μB cell−1
MP-reference hull distance0.086eV atom−1
Cell volume121.530Å3
Number of atoms9atoms
Chemical system Y-Fe-Cr Calculation Converged

Final Relaxed Cell

Calculated-cell formulaCrFe7Y
a, b, c3.923, 3.923, 7.898 Å
α, β, γ90.000, 90.000, 90.000°
Cell volume121.530 Å3
Volume per atom13.503 Å3 atom−1
Formula units, Z1

Final Symmetry

Space groupP4/mmm (No. 123)
Crystal systemTetragonal
Point group4/mmm
Hall symbol-P 4 2
Pearson symboltP9

Occupied Wyckoff Sites

SiteElementWyckoff positionMultiplicitySite symmetry
Y1Y1d14/mmm
Cr1Cr1c14/mmm
Fe1Fe1a14/mmm
Fe2Fe4i42mm.
Fe3Fe2g24mm

Prototype Relationship

Cell Magnetization

Total spin moment11.239 μB cell−1
Moment per atom1.249 μB atom−1
Magnetization density0.092 μB Å−3
μ0M1.078 T
PAW-sphere total11.541 μB cell−1
Interstitial remainder-0.302 μB cell−1

Sublattice Magnetization

Rare-earth sublattice-0.229 μB
Transition-metal sublattice11.770 μB
RE–TM alignmentAntiparallel

Element-Resolved Moments

ElementAtomsPAW-sphere totalμBMean per atomμB atom−1RangeμB
Y1-0.229-0.229-0.229 to -0.229
Cr1-1.855-1.855-1.855 to -1.855
Fe713.6251.9461.553 to 2.116

Site-Resolved PAW-Sphere Moments

SiteElementWyckoffsμBpμBdμBTotalμB
1Yd-0.011-0.044-0.174-0.229
2Crc-0.045-0.081-1.729-1.855
3Fea0.0090.0072.0382.055
4Fei0.010-0.0202.1262.116
5Fei0.010-0.0202.1262.116
6Fei0.010-0.0202.1262.116
7Fei0.010-0.0202.1262.116
8Feg-0.004-0.0391.5961.553
9Feg-0.004-0.0391.5961.553

Convex Hull: Y-Fe-Cr

Energy above hull 0.086 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
PrecisionAccurate
Electronic convergence1e-05 eV
Ionic convergence-0.01 eV Å−1
Initial MAGMOM1*0.6 8*5.0
RelaxationIBRION 1, ISIF 3, NSW 100
View exact INCAR
ADDGRID = True
ALGO = Normal
EDIFF = 1e-05
EDIFFG = -0.01
ENCUT = 520.0
IBRION = 1
ISIF = 3
ISMEAR = 1
ISPIN = 2
LAECHG = False
LASPH = True
LCHARG = False
LMAXMIX = 4
LORBIT = 11
LREAL = Auto
LWAVE = False
MAGMOM = 1*0.6 8*5.0
NCORE = 4
NELM = 120
NSW = 100
POTIM = 0.2
PREC = Accurate
SIGMA = 0.05
SYMPREC = 0.0001

Brillouin-Zone Sampling

SchemeGamma
Mesh6 × 6 × 3
Maximum reciprocal spacing0.26696 Å−1
View exact KPOINTS
pymatgen with grid density = 1226 / number of atoms
0
Gamma
6 6 3

PAW Potentials

ElementVASP TITELZVALENMAXeV
YPAW_PBE Y_sv 06Sep200011.000211.641
CrPAW_PBE Cr_pv 07Sep200012.000265.683
FePAW_PBE Fe_pv 06Sep200014.000293.238