Home / Magnets / Y2Ni7 (MAG-000096)

Y2Ni7

Binary

Crystal Structure

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Overview

Magnetic flux density0.126T
Magnetization density0.011μB Å−3
Total spin moment8.203μB cell−1
MP-reference hull distance0.072eV atom−1
Cell volume761.400Å3
Number of atoms54atoms
Chemical system Y-Ni Calculation Converged

Final Relaxed Cell

Calculated-cell formulaNi42Y12
a, b, c4.914, 4.914, 36.412 Å
α, β, γ90.000, 90.000, 120.000°
Cell volume761.400 Å3
Volume per atom14.100 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

SiteElementWyckoff positionMultiplicitySite symmetry
Y1Y3a33m
Y2Y3a33m
Y3Y3a33m
Y4Y3a33m
Ni1Ni9b9.m
Ni2Ni9b9.m
Ni3Ni3a33m
Ni4Ni3a33m
Ni5Ni9b9.m
Ni6Ni3a33m
Ni7Ni3a33m
Ni8Ni3a33m

Prototype Relationship

Cell Magnetization

Total spin moment8.203 μB cell−1
Moment per atom0.152 μB atom−1
Magnetization density0.011 μB Å−3
μ0M0.126 T
PAW-sphere total8.940 μB cell−1
Interstitial remainder-0.737 μB cell−1

Sublattice Magnetization

Rare-earth sublattice-0.456 μB
Transition-metal sublattice9.396 μB
RE–TM alignmentAntiparallel

Element-Resolved Moments

ElementAtomsPAW-sphere totalμBMean per atomμB atom−1RangeμB
Y12-0.456-0.038-0.047 to -0.025
Ni429.3960.2240.079 to 0.379

Site-Resolved PAW-Sphere Moments

SiteElementWyckoffsμBpμBdμBTotalμB
1Ya-0.003-0.008-0.036-0.047
2Ya-0.003-0.006-0.033-0.043
3Ya-0.003-0.008-0.036-0.047
4Ya-0.003-0.008-0.036-0.047
5Ya0.001-0.006-0.020-0.025
6Ya-0.000-0.008-0.029-0.037
7Ya-0.003-0.006-0.033-0.043
8Ya-0.003-0.006-0.033-0.043
9Ya-0.000-0.008-0.029-0.037
10Ya-0.000-0.008-0.029-0.037
11Ya0.001-0.006-0.020-0.025
12Ya0.001-0.006-0.020-0.025
13Nib0.001-0.0050.3740.371
14Nib0.001-0.0050.3740.371
15Nib0.001-0.0050.3740.371
16Nib0.001-0.0050.3740.371
17Nib-0.000-0.0050.1650.160
18Nib-0.000-0.0050.1650.160
19Nib-0.000-0.0050.1650.160
20Nib-0.000-0.0050.1650.160
21Nia0.002-0.0050.2950.292
22Nia0.002-0.0050.2950.292
23Nia0.002-0.0050.2950.292
24Nib0.001-0.0050.3740.371
25Nib0.001-0.0050.3740.371
26Nib0.001-0.0050.3740.371
27Nib0.001-0.0050.3740.371
28Nib0.001-0.0050.3740.371
29Nib-0.000-0.0050.1650.160
30Nib-0.000-0.0050.1650.160
31Nib-0.000-0.0050.1650.160
32Nib-0.000-0.0050.1650.160
33Nia0.001-0.0040.2620.258
34Nia0.001-0.0040.2620.258
35Nib-0.000-0.0030.0820.079
36Nib-0.000-0.0030.0820.079
37Nib-0.000-0.0030.0820.079
38Nib-0.000-0.0030.0820.079
39Nib-0.000-0.0030.0820.079
40Nib-0.000-0.0030.0820.079
41Nib-0.000-0.0030.0820.079
42Nib-0.000-0.0030.0820.079
43Nib-0.000-0.0030.0820.079
44Nib-0.000-0.0050.1650.160
45Nia-0.001-0.0030.0910.088
46Nia-0.001-0.0030.0910.088
47Nia-0.001-0.0030.0910.088
48Nia0.001-0.0050.2890.285
49Nia0.001-0.0050.2890.285
50Nia0.001-0.0050.2890.285
51Nia0.008-0.0040.3750.379
52Nia0.008-0.0040.3750.379
53Nia0.001-0.0040.2620.258
54Nia0.008-0.0040.3750.379

Convex Hull: Y-Ni

Energy above hull 0.072 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 MAGMOM12*0.6 42*5.0
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 = 4
LORBIT = 11
LREAL = Auto
LWAVE = False
MAGMOM = 12*0.6 42*5.0
NCORE = 4
NELM = 120
NSW = 100
POTIM = 0.2
PREC = Normal
SIGMA = 0.05
SYMPREC = 0.0001

Brillouin-Zone Sampling

SchemeGamma
Mesh5 × 5 × 1
Maximum reciprocal spacing0.29530 Å−1
View exact KPOINTS
pymatgen with grid density = 1135 / number of atoms
0
Gamma
5 5 1

PAW Potentials

ElementVASP TITELZVALENMAXeV
YPAW_PBE Y_sv 06Sep200011.000211.641
NiPAW_PBE Ni_pv 06Sep200016.000367.945