Figure 2d: Time delay scans for a horizontally magnetized Py(2nm)/Pt(3nm) and Py(2nm)/W(3nm) sampls measured with the THz pump polarized at 45 degrees relative to the horizontal direction. Time (ps) / SHG field Py(2nm)/Pt(3nm) / SHG field Py(2nm)/W(3nm) -13.34 -2.16089E-6 3.39136E-6 -13.2066 4.63511E-6 6.87451E-7 -13.0732 1.01346E-5 -2.07343E-6 -12.9398 1.29859E-5 -4.30797E-6 -12.8064 1.25635E-5 -5.56098E-6 -12.673 9.12497E-6 -5.59954E-6 -12.5396 3.71807E-6 -4.46239E-6 -12.4062 -2.13484E-6 -2.45263E-6 -12.2728 -6.87812E-6 -7.14465E-8 -12.1394 -9.35866E-6 2.09694E-6 -12.006 -9.12746E-6 3.52597E-6 -11.8726 -6.52253E-6 3.88045E-6 -11.7392 -2.517E-6 3.10814E-6 -11.6058 1.61111E-6 1.46082E-6 -11.4724 4.67857E-6 -5.67013E-7 -11.339 5.94037E-6 -2.37128E-6 -11.2056 5.27477E-6 -3.41024E-6 -11.0722 3.16258E-6 -3.36725E-6 -10.9388 4.80731E-7 -2.25455E-6 -10.8054 -1.81185E-6 -4.2226E-7 -10.672 -2.98876E-6 1.53673E-6 -10.5386 -2.77005E-6 2.96281E-6 -10.4052 -1.37412E-6 3.33655E-6 -10.2718 5.97067E-7 2.45257E-6 -10.1384 2.38925E-6 5.03331E-7 -10.005 3.35852E-6 -1.95921E-6 -9.8716 3.1767E-6 -4.17834E-6 -9.7382 1.9164E-6 -5.42077E-6 -9.6048 -1.89067E-9 -5.20907E-6 -9.4714 -1.97078E-6 -3.48528E-6 -9.338 -3.4019E-6 -6.50826E-7 -9.2046 -3.90449E-6 2.53422E-6 -9.0712 -3.38155E-6 5.16593E-6 -8.9378 -2.02248E-6 6.46192E-6 -8.8044 -2.09332E-7 5.99687E-6 -8.671 1.6187E-6 3.83543E-6 -8.5376 3.08998E-6 5.21417E-7 -8.4042 3.9744E-6 -3.07408E-6 -8.2708 4.19332E-6 -5.99941E-6 -8.1374 3.7799E-6 -7.48959E-6 -8.004 2.82324E-6 -7.17469E-6 -7.8706 1.43039E-6 -5.17031E-6 -7.7372 -2.74634E-7 -2.02844E-6 -7.6038 -2.12001E-6 1.43026E-6 -7.4704 -3.85022E-6 4.34783E-6 -7.337 -5.12062E-6 6.0539E-6 -7.2036 -5.54843E-6 6.22171E-6 -7.0702 -4.82116E-6 4.9186E-6 -6.9368 -2.83316E-6 2.54906E-6 -6.8034 2.01745E-7 -2.80148E-7 -6.67 3.71755E-6 -2.92526E-6 -6.5366 6.87961E-6 -4.8526E-6 -6.4032 8.78264E-6 -5.73349E-6 -6.2698 8.71688E-6 -5.47566E-6 -6.1364 6.42241E-6 -4.20102E-6 -6.003 2.24218E-6 -2.19242E-6 -5.8696 -2.89335E-6 1.6791E-7 -5.7362 -7.66867E-6 2.45401E-6 -5.6028 -1.07306E-5 4.24522E-6 -5.4694 -1.10858E-5 5.17595E-6 -5.336 -8.42736E-6 4.99405E-6 -5.2026 -3.28301E-6 3.62622E-6 -5.0692 3.07683E-6 1.23505E-6 -4.9358 8.95833E-6 -1.75851E-6 -4.8024 1.27087E-5 -4.7142E-6 -4.669 1.31936E-5 -6.8867E-6 -4.5356 1.01445E-5 -7.60369E-6 -4.4022 4.26965E-6 -6.46838E-6 -4.2688 -2.91388E-6 -3.52627E-6 -4.1354 -9.4829E-6 6.66932E-7 -4.002 -1.36348E-5 5.11917E-6 -3.8686 -1.41881E-5 8.6217E-6 -3.7352 -1.09152E-5 1.00703E-5 -3.6018 -4.61268E-6 8.80333E-6 -3.4684 3.10708E-6 4.85419E-6 -3.335 1.02442E-5 -9.7245E-7 -3.2016 1.4938E-5 -7.2449E-6 -3.0682 1.59491E-5 -1.22512E-5 -2.9348 1.29715E-5 -1.44649E-5 -2.8014 6.69968E-6 -1.30014E-5 -2.668 -1.35692E-6 -7.92882E-6 -2.5346 -9.2536E-6 -3.29418E-7 -2.4012 -1.50826E-5 7.92618E-6 -2.2678 -1.74208E-5 1.46453E-5 -2.1344 -1.56514E-5 1.79015E-5 -2.001 -1.00946E-5 1.65843E-5 -1.8676 -1.93092E-6 1.07507E-5 -1.7342 7.05718E-6 1.67333E-6 -1.6008 1.48641E-5 -8.44446E-6 -1.4674 1.96838E-5 -1.70169E-5 -1.334 2.02959E-5 -2.1748E-5 -1.2006 1.6344E-5 -2.12482E-5 -1.0672 8.45181E-6 -1.54283E-5 -0.9338 -1.85111E-6 -5.56185E-6 -0.8004 -1.23953E-5 6.00553E-6 -0.667 -2.0794E-5 1.64292E-5 -0.5336 -2.49538E-5 2.30751E-5 -0.4002 -2.35747E-5 2.41863E-5 -0.2668 -1.65268E-5 1.93374E-5 -0.1334 -4.99917E-6 9.56235E-6 0 8.64676E-6 -2.8756E-6 0.1334 2.13247E-5 -1.50172E-5 0.2668 2.99012E-5 -2.39141E-5 0.4002 3.19626E-5 -2.73402E-5 0.5336 2.64845E-5 -2.43382E-5 0.667 1.42205E-5 -1.54717E-5 0.8004 -2.32627E-6 -2.72007E-6 0.9338 -1.93832E-5 1.09605E-5 1.0672 -3.27615E-5 2.23159E-5 1.2006 -3.88905E-5 2.8557E-5 1.334 -3.57766E-5 2.80347E-5 1.4674 -2.36253E-5 2.06655E-5 1.6008 -4.93636E-6 8.00287E-6 1.7342 1.59913E-5 -7.07538E-6 1.8676 3.40532E-5 -2.10066E-5 2.001 4.45995E-5 -3.03718E-5 2.1344 4.46453E-5 -3.27257E-5 2.2678 3.37117E-5 -2.72295E-5 2.4012 1.40598E-5 -1.49247E-5 2.5346 -9.76981E-6 1.43841E-6 2.668 -3.20177E-5 1.79993E-5 2.8014 -4.71162E-5 3.06867E-5 2.9348 -5.10956E-5 3.62149E-5 3.0682 -4.26283E-5 3.29319E-5 3.2016 -2.34344E-5 2.13011E-5 3.335 2.06812E-6 3.87607E-6 3.4684 2.77942E-5 -1.52477E-5 3.6018 4.74587E-5 -3.13927E-5 3.7352 5.61197E-5 -4.04444E-5 3.8686 5.14166E-5 -3.98997E-5 4.002 3.41943E-5 -2.95504E-5 4.1354 8.35398E-6 -1.16144E-5 4.2688 -2.00419E-5 9.73692E-6 4.4022 -4.41999E-5 2.93556E-5 4.5356 -5.8221E-5 4.23656E-5 4.669 -5.85327E-5 4.53772E-5 4.8024 -4.4783E-5 3.73626E-5 4.9358 -1.99783E-5 1.99656E-5 5.0692 1.01776E-5 -2.84073E-6 5.2026 3.85945E-5 -2.56753E-5 5.336 5.84579E-5 -4.30304E-5 5.4694 6.48534E-5 -5.06036E-5 5.6028 5.59715E-5 -4.63567E-5 5.7362 3.36003E-5 -3.10418E-5 5.8696 2.77545E-6 -8.06416E-6 6.003 -2.9346E-5 1.72893E-5 6.1364 -5.51408E-5 3.90773E-5 6.2698 -6.8324E-5 5.20982E-5 6.4032 -6.54774E-5 5.31242E-5 6.5366 -4.69324E-5 4.16854E-5 6.67 -1.67789E-5 2.02191E-5 6.8034 1.80261E-5 -6.45699E-6 6.9368 4.92597E-5 -3.22286E-5 7.0702 6.93792E-5 -5.10851E-5 7.2036 7.33516E-5 -5.85151E-5 7.337 5.99218E-5 -5.25784E-5 7.4704 3.19952E-5 -3.44029E-5 7.6038 -3.97895E-6 -7.98131E-6 7.7372 -3.94989E-5 2.06989E-5 7.8706 -6.60309E-5 4.5007E-5 8.004 -7.70774E-5 5.92003E-5 8.1374 -6.97848E-5 5.97851E-5 8.2708 -4.56901E-5 4.63845E-5 8.4042 -1.04064E-5 2.18962E-5 8.5376 2.76913E-5 -8.11786E-6 8.671 5.94707E-5 -3.66879E-5 8.8044 7.72528E-5 -5.70596E-5 8.9378 7.66876E-5 -6.43064E-5 9.0712 5.78309E-5 -5.6543E-5 9.2046 2.51525E-5 -3.54349E-5 9.338 -1.35318E-5 -5.86201E-6 9.4714 -4.89456E-5 2.52043E-5 9.6048 -7.25965E-5 5.03554E-5 9.7382 -7.88296E-5 6.35345E-5 9.8716 -6.61903E-5 6.15253E-5 10.005 -3.7765E-5 4.47631E-5 10.1384 -4.21566E-7 1.72591E-5 10.2718 3.68618E-5 -1.43571E-5 10.4052 6.51679E-5 -4.24484E-5 10.5386 7.77847E-5 -6.02393E-5 10.672 7.18021E-5 -6.34777E-5 10.8054 4.87843E-5 -5.14752E-5 10.9388 1.43602E-5 -2.72632E-5 11.0722 -2.31572E-5 3.17148E-6 11.2056 -5.47832E-5 3.23783E-5 11.339 -7.30172E-5 5.3286E-5 11.4724 -7.3624E-5 6.09341E-5 11.6058 -5.66174E-5 5.36634E-5 11.7392 -2.62197E-5 3.34756E-5 11.8726 1.01845E-5 5.48697E-6 12.006 4.38416E-5 -2.3376E-5 12.1394 6.67333E-5 -4.61007E-5 12.2728 7.34883E-5 -5.73006E-5 12.4062 6.2644E-5 -5.44929E-5 12.5396 3.69628E-5 -3.86417E-5 12.673 2.73454E-6 -1.38484E-5 12.8064 -3.17616E-5 1.37113E-5 12.9398 -5.82595E-5 3.73273E-5 13.0732 -7.04897E-5 5.13868E-5 13.2066 -6.5667E-5 5.27015E-5 13.34 -4.51277E-5 4.12188E-5 13.4734 -1.39691E-5 1.99638E-5 13.6068 2.02148E-5 -5.75432E-6 13.7402 4.91873E-5 -2.96645E-5 13.8736 6.60607E-5 -4.6055E-5 14.007 6.69413E-5 -5.11285E-5 14.1404 5.18316E-5 -4.38735E-5 14.2738 2.45798E-5 -2.62532E-5 14.4072 -8.10157E-6 -2.68363E-6 14.5406 -3.82963E-5 2.10662E-5 14.674 -5.88132E-5 3.92783E-5 14.8074 -6.49087E-5 4.76567E-5 14.9408 -5.53876E-5 4.43397E-5 15.0742 -3.28256E-5 3.03135E-5 15.2076 -2.87464E-6 9.13595E-6 15.341 2.71613E-5 -1.39568E-5 15.4744 5.01197E-5 -3.3341E-5 15.6078 6.06974E-5 -4.43765E-5 15.7412 5.66802E-5 -4.45238E-5 15.8746 3.93955E-5 -3.39368E-5 16.008 1.33018E-5 -1.53893E-5 16.1414 -1.5165E-5 6.4427E-6 16.2748 -3.91872E-5 2.61595E-5 16.4082 -5.32057E-5 3.89803E-5 16.5416 -5.42096E-5 4.19146E-5 16.675 -4.23755E-5 3.44711E-5 16.8084 -2.09234E-5 1.87324E-5 16.9418 4.7491E-6 -1.21575E-6 17.0752 2.84249E-5 -2.03454E-5 17.2086 4.4575E-5 -3.39622E-5 17.342 4.96512E-5 -3.88694E-5 17.4754 4.2862E-5 -3.4127E-5 17.6088 2.62644E-5 -2.12229E-5 17.7422 4.17294E-6 -3.6282E-6 17.8756 -1.79497E-5 1.41342E-5 18.009 -3.48381E-5 2.76571E-5 18.1424 -4.26766E-5 3.37479E-5 18.2758 -3.99611E-5 3.11835E-5 18.4092 -2.77778E-5 2.0942E-5 18.5426 -9.44833E-6 5.87252E-6 18.676 1.03514E-5 -1.00904E-5 18.8094 2.67714E-5 -2.29522E-5 18.9428 3.59712E-5 -2.96538E-5 19.0762 3.60196E-5 -2.87913E-5 19.2096 2.7299E-5 -2.08916E-5 19.343 1.23297E-5 -8.19808E-6 19.4764 -4.92651E-6 5.95755E-6 19.6098 -2.00965E-5 1.80213E-5 19.7432 -2.94961E-5 2.50977E-5 19.8766 -3.10242E-5 2.56293E-5 20.01 -2.46326E-5 1.97206E-5 20.1434 -1.22665E-5 9.04586E-6 20.2768 2.69617E-6 -3.61768E-6 20.4102 1.6349E-5 -1.51015E-5 20.5436 2.52669E-5 -2.26239E-5 20.677 2.73604E-5 -2.44467E-5 20.8104 2.23619E-5 -2.02615E-5 20.9438 1.18293E-5 -1.12246E-5 21.0772 -1.31797E-6 3.57401E-7 21.2106 -1.35964E-5 1.16065E-5 21.344 -2.18731E-5 1.97761E-5 21.4774 -2.41582E-5 2.29094E-5 21.6108 -2.00738E-5 2.02999E-5 21.7442 -1.08916E-5 1.26477E-5 21.8776 8.55227E-7 1.87622E-6 22.011 1.20692E-5 -9.34468E-6 22.1444 1.99024E-5 -1.82543E-5 22.2778 2.2473E-5 -2.26772E-5 22.4112 1.93059E-5 -2.15558E-5 22.5446 1.13954E-5 -1.52066E-5 22.678 8.93158E-7 -5.23777E-6 22.8114 -9.48208E-6 5.8557E-6 22.9448 -1.71504E-5 1.53176E-5 23.0782 -2.0308E-5 2.08216E-5 23.2116 -1.83394E-5 2.10518E-5 23.345 -1.19158E-5 1.60262E-5 23.4784 -2.77052E-6 7.07833E-6 23.6118 6.77447E-6 -3.49553E-6 23.7452 1.44001E-5 -1.3032E-5 23.8786 1.83504E-5 -1.91826E-5 24.012 1.78278E-5 -2.05043E-5 24.1454 1.3138E-5 -1.68065E-5 24.2788 5.56421E-6 -9.16724E-6 24.4122 -2.98293E-6 3.76891E-7 24.5456 -1.04462E-5 9.37992E-6 24.679 -1.51129E-5 1.56235E-5 24.8124 -1.60023E-5 1.76728E-5 24.9458 -1.30637E-5 1.52093E-5 25.0792 -7.14913E-6 9.06211E-6 25.2126 2.23352E-7 9.43295E-7 25.346 7.25239E-6 -7.02991E-6 25.4794 1.22884E-5 -1.28915E-5 25.6128 1.42178E-5 -1.53134E-5 25.7462 1.27091E-5 -1.39009E-5 25.8796 8.26637E-6 -9.23413E-6 26.013 2.08184E-6 -2.6614E-6 26.1464 -4.27221E-6 4.08586E-6 26.2798 -9.23663E-6 9.34585E-6 26.4132 -1.16465E-5 1.19291E-5 26.5466 -1.10075E-5 1.13751E-5 26.68 -7.6011E-6 8.01249E-6 26.8134 -2.39364E-6 2.82424E-6 26.9468 3.22445E-6 -2.83248E-6 27.0802 7.80235E-6 -7.5732E-6 27.2136 1.0201E-5 -1.0313E-5 27.347 9.87795E-6 -1.04999E-5 27.4804 7.01273E-6 -8.21039E-6 27.6138 2.44172E-6 -4.09547E-6 27.7472 -2.57683E-6 7.97965E-7 27.8806 -6.70335E-6 5.28451E-6 28.014 -8.87102E-6 8.31554E-6 28.1474 -8.55938E-6 9.21294E-6 28.2808 -5.91679E-6 7.81277E-6 28.4142 -1.70267E-6 4.49095E-6 28.5476 2.93005E-6 6.73778E-8 28.681 6.74995E-6 -4.38947E-6 28.8144 8.77278E-6 -7.81412E-6 28.9478 8.51128E-6 -9.39536E-6 29.0812 6.08575E-6 -8.76906E-6 29.2146 2.17186E-6 -6.10583E-6 29.348 -2.19375E-6 -2.07004E-6 29.4814 -5.89287E-6 2.34288E-6 29.6148 -8.01372E-6 6.05303E-6 29.7482 -8.07278E-6 8.16589E-6 29.8816 -6.1174E-6 8.19638E-6 30.015 -2.68985E-6 6.18803E-6 30.1484 1.32986E-6 2.69474E-6 30.2818 4.95581E-6 -1.37093E-6 30.4152 7.34059E-6 -4.98231E-6 30.5486 7.97184E-6 -7.26892E-6 30.682 6.77667E-6 -7.73862E-6 30.8154 4.11504E-6 -6.39093E-6 30.9488 6.7143E-7 -3.69273E-6 31.0822 -2.72308E-6 -4.2731E-7 31.2156 -5.29238E-6 2.53606E-6 31.349 -6.49254E-6 4.48317E-6 31.4824 -6.12541E-6 5.03697E-6 31.6158 -4.36634E-6 4.23149E-6 31.7492 -1.70411E-6 2.46285E-6 31.8826 1.18918E-6 3.39979E-7 32.016 3.62535E-6 -1.51303E-6 32.1494 5.0644E-6 -2.64004E-6 32.2828 5.23735E-6 -2.86706E-6 32.4162 4.19936E-6 -2.31835E-6 32.5496 2.30157E-6 -1.33851E-6 32.683 8.99765E-8 -3.53634E-7 32.8164 -1.84276E-6 2.78494E-7 32.9498 -3.01391E-6 3.79811E-7 33.0832 -3.175E-6 -7.53882E-9 33.2166 -2.37062E-6 -6.58372E-7 33.35 -9.16039E-7 -1.25986E-6 33.4834 7.0045E-7 -1.52829E-6 33.6168 1.96309E-6 -1.30673E-6 33.7502 2.48095E-6 -6.12965E-7 33.8836 2.10298E-6 3.73122E-7 34.017 9.62177E-7 1.37316E-6 34.1504 -5.64593E-7 2.09924E-6 34.2838 -1.96997E-6 2.33779E-6 34.4172 -2.76944E-6 2.0033E-6 34.5506 -2.64949E-6 1.15048E-6 34.684 -1.56654E-6 -5.18978E-8 34.8174 2.32722E-7 -1.37042E-6 34.9508 2.27565E-6 -2.56111E-6 35.0842 3.99373E-6 -3.41294E-6 35.2176 4.8805E-6 -3.7742E-6 35.351 4.63205E-6 -3.56405E-6 35.4844 3.23143E-6 -2.7766E-6 35.6178 9.55451E-7 -1.48429E-6 35.7512 -1.69487E-6 1.58012E-7 35.8846 -4.11793E-6 1.91387E-6 36.018 -5.75464E-6 3.48111E-6 36.1514 -6.2143E-6 4.53118E-6 36.2848 -5.35539E-6 4.77302E-6 36.4182 -3.30806E-6 4.03112E-6 36.5516 -4.40976E-7 2.31656E-6 36.685 2.71367E-6 -1.34428E-7 36.8184 5.55783E-6 -2.87585E-6 36.9518 7.53033E-6 -5.32884E-6 37.0852 8.20139E-6 -6.90906E-6 37.2186 7.35001E-6 -7.17484E-6 37.352 5.01691E-6 -5.95592E-6 37.4854 1.52467E-6 -3.4232E-6 37.6188 -2.54497E-6 -7.38611E-8 37.7522 -6.4253E-6 3.37093E-6 37.8856 -9.29132E-6 6.13314E-6 38.019 -1.04265E-5 7.56753E-6 38.1524 -9.40021E-6 7.32346E-6 38.2858 -6.21306E-6 5.43529E-6 38.4192 -1.36301E-6 2.31691E-6 38.5526 4.20319E-6 -1.33776E-6 38.686 9.26337E-6 -4.72135E-6 38.8194 1.25923E-5 -7.10309E-6 38.9528 1.32727E-5 -7.99415E-6 39.0862 1.0963E-5 -7.24927E-6 39.2196 6.03972E-6 -5.08423E-6 39.353 -4.40438E-7 -2.01059E-6 39.4864 -6.96734E-6 1.29079E-6 39.6198 -1.19458E-5 4.12451E-6 39.7532 -1.41122E-5 5.92739E-6 39.8866 -1.28841E-5 6.37753E-6 40.02 -8.53885E-6 5.44676E-6