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85409714木蟲 (小有名氣)
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[求助]
薄膜禁帶寬度計算
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1. 由透過率得到吸收系數(shù)：α=（-1/d）*ln(T) （d是樣品厚度，單位取cm，T是透過率（無量綱），就是透射譜的縱坐標數(shù)值，最大是100%） 2. 將波長換為能量 hv(eV)=1240/wavelength(nm) 3. 確定半導體帶隙類型，如果是直接帶隙： 計算出(α*hv)2(平方) 4. 畫出以hv為X軸，(α*hv)2(平方)為Y軸，畫出曲線，在函數(shù)曲線單調(diào)上升的區(qū)域，找到接近直線的地方（即斜率最大的地方），作切線 5. 將切線外推和X軸相交，交點即為帶隙寬度 但是我的origin圖做出來很有問題，完全沒有切線可言，不知道怎么回事，請高手指教，薄膜厚度0.00003cm Wavelength nm. T% 300 6.139 300.5 6.035 301 7.256 301.5 6.763 302 6.432 302.5 6.905 303 5.446 303.5 4.803 304 5.383 304.5 4.646 305 5.379 305.5 5.099 306 6.932 306.5 7.463 307 5.246 307.5 4.614 308 4.955 308.5 5.969 309 6.107 309.5 6.165 310 5.318 310.5 5.45 311 6.073 311.5 5.508 312 6.027 312.5 5.064 313 5.605 313.5 5.739 314 5.756 314.5 6.198 315 5.669 315.5 6.163 316 6.233 316.5 5.954 317 6.718 317.5 6.512 318 6.482 318.5 6.201 319 6.265 319.5 6.114 320 6.078 320.5 6.079 321 6.201 321.5 6.711 322 6.035 322.5 6.259 323 5.916 323.5 5.759 324 6.577 324.5 6.491 325 6.308 325.5 6.743 326 5.914 326.5 6.306 327 6.122 327.5 6.638 328 5.928 328.5 6.352 329 6.593 329.5 6.36 330 6.415 330.5 6.538 331 6.789 331.5 6.569 332 6.789 332.5 6.302 333 6.255 333.5 6.409 334 6.427 334.5 6.647 335 6.253 335.5 6.485 336 6.653 336.5 6.464 337 6.732 337.5 6.541 338 6.799 338.5 6.268 339 6.297 339.5 6.607 340 6.442 340.5 6.714 341 6.714 341.5 6.786 342 6.679 342.5 6.911 343 6.293 343.5 6.216 344 6.927 344.5 6.467 345 6.998 345.5 6.696 346 6.375 346.5 6.471 347 6.209 347.5 6.067 348 7.098 348.5 6.49 349 6.453 349.5 6.143 350 6.129 350.5 6.804 351 6.625 351.5 6.271 352 6.563 352.5 6.978 353 6.868 353.5 6.688 354 6.592 354.5 6.703 355 6.677 355.5 6.425 356 6.451 356.5 6.308 357 6.456 357.5 6.929 358 6.372 358.5 6.241 359 6.66 359.5 6.929 360 6.516 360.5 6.956 361 6.805 361.5 7.083 362 7.082 362.5 7.111 363 7.433 363.5 7.642 364 7.896 364.5 7.887 365 8.272 365.5 8.554 366 8.592 366.5 8.879 367 9.167 367.5 9.459 368 9.995 368.5 10.252 369 11.089 369.5 11.229 370 11.954 370.5 12.598 371 13.432 371.5 14.304 372 15.039 372.5 15.819 373 17.189 373.5 18.604 374 19.354 374.5 20.744 375 21.883 375.5 23.52 376 24.91 376.5 26.292 377 28.087 377.5 29.105 378 31.044 378.5 32.433 379 33.905 379.5 35.625 380 37.244 380.5 38.536 381 40.137 381.5 41.135 382 42.642 382.5 44.603 383 45.673 383.5 46.213 384 47.928 384.5 48.817 385 50.317 385.5 51.726 386 51.904 386.5 53.125 387 53.578 387.5 54.43 388 54.915 388.5 56.067 389 56.847 389.5 58.055 390 58.138 390.5 59.291 391 59.547 391.5 60.275 392 61.201 392.5 61.749 393 61.827 393.5 62.721 394 63.622 394.5 64.34 395 65.305 395.5 65.761 396 65.372 396.5 66.235 397 66.458 397.5 67.39 398 67.662 398.5 68.819 399 68.417 399.5 69.449 400 69.649 400.5 69.696 401 70.926 401.5 70.81 402 71.434 402.5 71.194 403 71.497 403.5 72.072 404 72.591 404.5 72.551 405 72.832 405.5 73.12 406 73.405 406.5 73.19 407 74.28 407.5 74.423 408 74.506 408.5 75.201 409 75.525 409.5 75.174 410 75.99 410.5 76.303 411 76.436 411.5 76.932 412 77.783 412.5 77.155 413 77.458 413.5 77.911 414 77.734 414.5 78.021 415 78.363 415.5 78.313 416 78.137 416.5 79.057 417 79.199 417.5 78.954 418 79.14 418.5 79.697 419 79.872 419.5 79.596 420 80.722 420.5 80.223 421 81.496 421.5 81.183 422 81.099 422.5 81.25 423 81.531 423.5 81.409 424 82.217 424.5 82.188 425 82.135 425.5 82.471 426 82.405 426.5 82.648 427 82.637 427.5 82.405 428 82.828 428.5 83.289 429 83.136 429.5 82.884 430 83.559 430.5 84.013 431 83.752 431.5 83.699 432 83.804 432.5 84.248 433 83.917 433.5 83.887 434 84.85 434.5 84.267 435 84.65 435.5 85.202 436 85.6 436.5 86.002 437 85.591 437.5 85.716 438 85.405 438.5 85.976 439 86.037 439.5 86.05 440 85.963 440.5 86.203 441 86.369 441.5 86.485 442 86.69 442.5 87.39 443 87.265 443.5 87.395 444 87.584 444.5 88.246 445 87.508 445.5 87.901 446 87.889 446.5 88.347 447 87.894 447.5 88.139 448 88.271 448.5 88.171 449 88.373 449.5 88.255 450 88.838 450.5 88.603 451 87.907 451.5 88.554 452 88.788 452.5 88.612 453 89.183 453.5 88.812 454 89.218 454.5 88.875 455 88.676 455.5 88.922 456 89.348 456.5 89.691 457 89.682 457.5 90.111 458 90.744 458.5 90.274 459 90.167 459.5 90.279 460 89.989 460.5 90.915 461 90.677 461.5 90.437 462 90.733 462.5 90.195 463 90.512 463.5 91.135 464 90.663 464.5 90.898 465 90.887 465.5 90.913 466 91.515 466.5 91 467 91.248 467.5 91.576 468 91.324 468.5 91.808 469 91.982 469.5 92.032 470 91.927 470.5 92.133 471 92.419 471.5 92.125 472 92.229 472.5 92.798 473 92.574 473.5 92.41 474 92.805 474.5 93.123 475 92.662 475.5 92.848 476 93.243 476.5 92.802 477 93.405 477.5 93.095 478 93.269 478.5 92.94 479 92.964 479.5 93.169 480 93.024 480.5 92.899 481 93.338 481.5 93.521 482 93.626 482.5 93.849 483 93.726 483.5 93.446 484 93.542 484.5 93.056 485 93.79 485.5 93.066 486 93.964 486.5 93.828 487 93.938 487.5 93.17 488 93.993 488.5 94.113 489 94.398 489.5 94.742 490 94.669 490.5 94.583 491 94.4 491.5 94.81 492 94.53 492.5 94.826 493 94.888 493.5 94.656 494 94.276 494.5 94.223 495 94.275 495.5 95.377 496 95.749 496.5 94.916 497 95.343 497.5 94.937 498 94.576 498.5 95.329 499 95.171 499.5 95.456 500 95.345 500.5 95.535 501 95.915 501.5 95.541 502 94.904 502.5 94.676 503 94.933 503.5 95.49 504 95.769 504.5 95.326 505 95.268 505.5 95.259 506 95.819 506.5 95.61 507 95.9 507.5 95.467 508 95.778 508.5 96.037 509 95.702 509.5 96.033 510 96.999 510.5 96.129 511 96.399 511.5 96.178 512 95.943 512.5 95.958 513 96.104 513.5 96.281 514 95.802 514.5 96.352 515 95.935 515.5 96.553 516 96.396 516.5 95.879 517 96.257 517.5 96.117 518 95.94 518.5 96.275 519 96.437 519.5 96.301 520 96.123 520.5 96.289 521 95.801 521.5 96.312 522 95.442 522.5 96.12 523 96.283 523.5 95.88 524 96.629 524.5 96.471 525 96.625 525.5 96.725 526 97.226 526.5 97.137 527 97.458 527.5 96.992 528 96.619 528.5 96.614 529 96.553 529.5 97.618 530 97.026 530.5 97.27 531 96.931 531.5 97.008 532 96.967 532.5 96.585 533 96.848 533.5 96.881 534 96.947 534.5 97.131 535 97.026 535.5 96.982 536 96.855 536.5 97.919 537 97.789 537.5 97.861 538 98.019 538.5 98.326 539 98.396 539.5 98.238 540 97.783 540.5 97.327 541 97.43 541.5 97.319 542 97.192 542.5 98.055 543 97.679 543.5 98.007 544 97.705 544.5 97.473 545 97.234 545.5 97.749 546 97.316 546.5 97.842 547 97.107 547.5 97.548 548 97.902 548.5 97.685 549 97.728 549.5 98.264 550 97.893 550.5 98.843 551 97.83 551.5 98.325 552 98.073 552.5 98.615 553 97.745 553.5 97.925 554 98.163 554.5 98.508 555 97.862 555.5 98.795 556 98.326 556.5 98.431 557 98.485 557.5 98.642 558 99.249 558.5 98.55 559 98.218 559.5 98.532 560 98.967 560.5 98.399 561 98.84 561.5 98.735 562 98.177 562.5 98.575 563 98.338 563.5 98.586 564 98.578 564.5 98.447 565 98.895 565.5 98.378 566 98.596 566.5 99.132 567 97.896 567.5 99.01 568 99.182 568.5 99.136 569 98.81 569.5 99.15 570 99.03 570.5 99.35 571 98.694 571.5 98.859 572 98.753 572.5 98.543 573 98.897 573.5 98.311 574 98.613 574.5 98.964 575 98.627 575.5 98.686 576 98.439 576.5 98.482 577 99.03 577.5 98.744 578 98.814 578.5 98.824 579 99.055 579.5 98.714 580 99.339 580.5 98.471 581 98.535 581.5 98.75 582 98.669 582.5 98.947 583 99.063 583.5 98.665 584 99.438 584.5 98.991 585 98.959 585.5 98.676 586 99.092 586.5 98.775 587 99.051 587.5 99.181 588 99.345 588.5 99.091 589 99.295 589.5 99.727 590 99.492 590.5 98.782 591 98.965 591.5 99.054 592 99.825 592.5 99.899 593 100.023 593.5 99.826 594 99.802 594.5 99.908 595 99.672 595.5 99.48 596 99.814 596.5 99.361 597 99.406 597.5 99.373 598 99.229 598.5 98.988 599 99.599 599.5 99.329 600 99.329 600.5 99.533 601 99.179 601.5 100.044 602 99.661 602.5 99.4 603 99.374 603.5 99.561 604 99.237 604.5 99.545 605 100.2 605.5 99.814 606 100.308 606.5 99.355 607 99.507 607.5 100.113 608 99.632 608.5 100.14 609 99.925 609.5 100.137 610 100.279 610.5 100.307 611 100.311 611.5 99.794 612 100.174 612.5 99.957 613 100.494 613.5 100.278 614 99.979 614.5 100.343 615 100.676 615.5 100.772 616 100.928 616.5 100.175 617 99.956 617.5 100.862 618 100.345 618.5 100.667 619 100.7 619.5 100.548 620 100.81 620.5 100.32 621 101.083 621.5 100.525 622 100.348 622.5 100.253 623 100.346 623.5 100.179 624 100.62 624.5 100.497 625 100.661 625.5 101.184 626 100.14 626.5 100.571 627 100.256 627.5 100.002 628 99.82 628.5 99.991 629 99.983 629.5 99.982 630 100.714 630.5 100.157 631 100.685 631.5 100.22 632 100.262 632.5 100.157 633 100.165 633.5 100.362 634 100.844 634.5 100.543 635 100.177 635.5 100.104 636 100.569 636.5 100.998 637 101.021 637.5 101.521 638 100.36 638.5 100.436 639 99.973 639.5 99.77 640 100.522 640.5 100.224 641 100.49 641.5 100.081 642 100.644 642.5 100.652 643 99.973 643.5 100.623 644 100.58 644.5 100.209 645 100.156 645.5 99.216 646 100.549 646.5 100.742 647 101.376 647.5 100.372 648 100.764 648.5 101.041 649 100.317 649.5 100.299 650 101.518 650.5 100.966 651 100.774 651.5 99.95 652 101.103 652.5 100.15 653 99.986 653.5 100.81 654 100.342 654.5 101.631 655 101.202 655.5 101.195 656 101.378 656.5 101.505 657 101.588 657.5 100.873 658 101.074 658.5 101.767 659 101.436 659.5 101.387 660 101.941 660.5 100.711 661 100.49 661.5 100.621 662 100.734 662.5 100.813 663 100.365 663.5 101.23 664 100.11 664.5 100.932 665 100.641 665.5 100.4 666 100.325 666.5 100.163 667 100.661 667.5 101.108 668 100.752 668.5 100.153 669 101.256 669.5 100.41 670 100.571 670.5 100.659 671 101.422 671.5 100.189 672 100.401 672.5 100.949 673 100.74 673.5 101.476 674 100.829 674.5 100.378 675 99.504 675.5 101.283 676 100.937 676.5 101.14 677 100.998 677.5 100.145 678 100.935 678.5 100.397 679 100.606 679.5 101.567 680 100.504 680.5 101.257 681 100.714 681.5 101.74 682 100.832 682.5 101.947 683 100.914 683.5 100.665 684 100.301 684.5 100.488 685 101.376 685.5 101.471 686 102.26 686.5 101.712 687 102.286 687.5 101.541 688 101.143 688.5 100.229 689 100.983 689.5 99.838 690 100.482 690.5 100.005 691 100.635 691.5 100.409 692 100.655 692.5 101.23 693 101.929 693.5 101.442 694 100.537 694.5 100.54 695 100.314 695.5 100.929 696 101.144 696.5 101.537 697 100.439 697.5 100.136 698 100.417 698.5 100.237 699 101.067 699.5 100.624 700 101.041 700.5 100.276 701 101.587 701.5 101.228 702 101.544 702.5 101.128 703 101.357 703.5 99.95 704 100.038 704.5 100.421 705 99.512 705.5 99.132 706 99.911 706.5 100.848 707 99.924 707.5 101.266 708 99.614 708.5 100.171 709 100.189 709.5 101.094 710 100.351 710.5 100.941 711 99.907 711.5 100.841 712 100.133 712.5 100.046 713 99.239 713.5 100.394 714 100.377 714.5 99.15 715 99.664 715.5 99.364 716 99.658 716.5 100.867 717 101.79 717.5 102.422 718 100.877 718.5 100.31 719 100.661 719.5 102.058 720 101.97 720.5 99.67 721 99.927 721.5 101.23 722 100.4 722.5 100.426 723 99.889 723.5 101.52 724 100.781 724.5 100.801 725 101.007 725.5 99.741 726 100.079 726.5 100.307 727 100.273 727.5 101.045 728 100.278 728.5 101.027 729 100.06 729.5 100.836 730 101.358 730.5 99.3 731 99.292 731.5 99.152 732 101.39 732.5 100.642 733 101.68 733.5 100.327 734 100.555 734.5 101.619 735 100.107 735.5 100.186 736 101.544 736.5 99.707 737 100.061 737.5 100.809 738 102.115 738.5 102.066 739 103.706 739.5 102.173 740 100.656 740.5 99.324 741 99.413 741.5 100.093 742 103.412 742.5 100.116 743 98.656 743.5 99.759 744 98.181 744.5 101.889 745 101.118 745.5 101.886 746 101.494 746.5 98.984 747 98.135 747.5 99.728 748 102.286 748.5 102.867 749 102.46 749.5 102.194 750 103.178 750.5 103.529 751 100.354 751.5 101.079 752 99.751 752.5 105.186 753 102.661 753.5 104.185 754 104.837 754.5 104.39 755 103.056 755.5 105.698 756 102.664 756.5 102.141 757 101.743 757.5 102.011 758 100.696 758.5 100.027 759 100.54 759.5 100.41 760 98.685 760.5 104.33 761 102.153 761.5 105.292 762 103.555 762.5 103.517 763 100.533 763.5 100.928 764 98.837 764.5 100.812 765 103.246 765.5 101.898 766 104.015 766.5 104.782 767 103.357 767.5 100.439 768 101.701 768.5 100.206 769 101.633 769.5 99.954 770 101.718 770.5 99.782 771 98.03 771.5 96.625 772 100.444 772.5 102.402 773 101.796 773.5 102.444 774 103.113 774.5 105.937 775 102.4 775.5 101.898 776 103.127 776.5 107.05 777 105.522 777.5 105.927 778 102.202 778.5 102.65 779 100.468 779.5 104.123 780 101.787 780.5 99.437 781 99.849 781.5 103.548 782 100.65 782.5 101.399 783 102.481 783.5 101.276 784 98.404 784.5 101.604 785 103.508 785.5 102.269 786 104.277 786.5 101.598 787 102.089 787.5 99.988 788 99.457 788.5 99.188 789 101.334 789.5 99.023 790 102.846 790.5 98.885 791 103.088 791.5 102.986 792 104.323 792.5 102.28 793 97.827 793.5 96.608 794 96.773 794.5 99.03 795 102.602 795.5 98.894 796 102.261 796.5 99.538 797 99.776 797.5 100.389 798 103.377 798.5 99.062 799 98.917 799.5 99.03 800 95.728 |
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bill_shark
銀蟲 (小有名氣)
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【答案】應(yīng)助回帖
85409714(金幣+98, 博學EPI+1): 非常感謝 2011-11-30 09:29:30
|
帶隙3.25？ 你有可能透過率沒除100。origin文件：https://115.com/file/cl1cn7ih |
2樓2011-11-29 22:43:33
qfw_68
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3樓2011-11-30 07:44:55
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