id label x y cluster weight weight weight 1 ab initio calculations 0.1454 0.6556 3 15 25 5 2 alloys 0.5361 0.3231 3 28 74 19 3 atomic force microscopy -0.7249 -0.4318 1 12 18 6 4 catalysis -0.2808 0.2931 5 17 38 13 5 chemical vapor deposition -0.8568 -0.0584 1 13 18 5 6 coatings 0.3304 -0.4188 4 21 47 13 7 composites 0.2511 -0.6613 1 13 17 5 8 continuum mechanics 1.2507 -0.1414 2 10 19 6 9 corrosion 0.1509 0.5077 5 13 22 6 10 crystal structure -0.1335 -0.8437 1 6 8 4 11 deformation 1.0965 0.3486 2 12 17 5 12 electrocatalysis -0.3984 0.5757 5 14 27 6 13 electrochemistry -0.2483 0.7566 5 9 17 6 14 electronic structure -0.1606 0.4818 3 18 22 5 15 electronics -0.3474 -0.2079 1 18 21 5 16 energy conversion 0.2051 0.8596 3 9 12 4 17 epitaxial growth -0.459 -0.004 1 15 20 6 18 fatigue 1.2165 0.1351 2 8 9 5 19 ferromagnetic materials -0.6214 0.5672 1 12 17 5 20 finite element method 0.9105 -0.351 2 23 82 35 21 first-principles calculation -0.0699 0.3691 3 16 18 5 22 fluid dynamics 0.5321 -0.7895 2 5 10 6 23 fracture 1.1003 -0.307 2 16 36 7 24 graphene -1.1295 -0.2389 1 13 20 7 25 interfaces -0.1649 0.1311 1 19 23 7 26 kinetics 0.5668 0.461 3 10 15 5 27 lasers -0.4195 0.1948 1 12 17 7 28 magnetism -0.4045 0.3846 1 39 72 23 29 martensite 0.5618 0.7493 3 17 37 10 30 mechanical properties 0.8068 -0.0216 2 30 117 34 31 metal forming 1.462 -0.2306 2 6 11 5 32 micromechanics 0.6808 -0.262 2 19 34 7 33 microstructure 0.7666 0.2568 2 34 103 24 34 modelling and simulation 0.4829 -0.0797 2 36 90 32 35 molecular dynamics 0.2877 0.3506 3 16 24 7 36 nanoparticles -0.2798 -0.0811 1 38 84 33 37 nanostructures -0.5325 -0.1784 1 31 65 20 38 numerical methods 0.7863 -0.4604 2 23 63 24 39 optoelectronics -1.0688 -0.4201 1 9 12 6 40 photonics -0.4244 -0.6702 1 14 15 5 41 photovoltaics -0.3026 -0.462 1 7 10 5 42 physical vapor deposition 0.5633 -0.5421 4 10 21 6 43 polymers -0.4455 -0.5218 1 12 17 11 44 porous materials 1.095 -0.5359 2 10 16 8 45 quantum dots -1.0886 -0.0092 1 15 36 11 46 quantum theory -0.7338 0.2288 1 10 11 5 47 scanning electron microscopy 0.2078 0.0429 4 29 74 17 48 self assembly -0.8239 -0.284 1 13 17 6 49 semiconductors -0.982 -0.1606 1 20 49 16 50 sensors -0.2212 -0.5889 1 17 20 7 51 shape-memory alloys 0.7004 0.6247 3 19 44 9 52 spectroscopy -0.7213 0.1035 1 21 31 11 53 spin dynamics -0.8621 0.4247 1 15 29 9 54 spintronics -0.8825 0.1836 1 20 28 6 55 steel 0.9198 0.1104 2 20 42 11 56 surfaces -0.5586 0.0621 1 32 51 18 57 synthesis -0.1572 -0.4116 1 19 30 11 58 thermodynamics 0.473 0.1307 3 26 38 12 59 thermoelectrics -0.6253 -0.3009 1 13 16 5 60 thin films -0.1995 -0.0172 1 44 91 26 61 transmission electron microscopy 0.3109 0.5328 5 20 45 11 62 transport -0.6759 -0.0675 1 17 23 7 63 tribology 0.3239 -0.2048 4 17 34 7 64 x-ray diffraction -0.0383 -0.2334 4 31 64 18 65 x-ray photoelectron spectroscopy -0.678 0.3523 1 20 27 7