Vibrational Spectroscopy of Ca2LnTaO6 (Ln= lanthanides, Y, and In

Dec 8, 2010 - †Departamento de Quımica, Universidade Federal de Ouro Preto, Campus Morro do Cruzeiro, ICEB II, Ouro. Preto-MG, 35400-000, Brazil, ...
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Supporting Information Table 1: Phonon wavenumbers (cm-1) obtained from the adjustment of the Raman spectra by Lorentzian lines for the CRT ceramics Bands

InNb

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

77.7 85.8 95.8 113.8 148.8 158.2 197.3 219.1 245.1 259.5 263.8 321.0 358.2 376.5 394.5 431.0 440.8 449.0 476.6 579.2 596.3 762.5 784.9 796.4

InTa 73.9 83.8 96.5 108.9 149.8 159.4 197.7 220.1 246.1 260.2 263.9 322.0 361.9 378.0 388.6 429.1 441.3 450.7 479.1 577.7 591.5 736.7 784.5 795.2

Er

Y

Ho

Tb

Gd

Eu

Sm

Nd

La

72.7 84.7 97.2 118.3 145.2 150.6 157.6 223.9 254.3 263.1 266.8 324.9 357.3 385.4 399.5 408.2 446.9 452.5 480.0 576.8 646.7 709.2 792.7 800.3

92.8 108.0 113.7 121.2 131.5 144.6 149.5 222.4 230.6 260.7 266.2 323.8 362.4 386.9 407.3 418.6 444.7 449.6 480.6 554.4 679.4 715.7 786.9 795.8

94.1 108.6 116.8 124.7 131.8 138.8 153.5 220.2 232.7 257.6 268.7 316.8 369.2 391.8 409.1 426.4 441.9 454.1 473.2 556.3 671.9 700.7 778.9 784.9

81.7 97.8 -116.7 140.1 -172.3 217.0 255.6 271.4 303.0 321.2 -376.5 405.7 418.0 440.4 457.3 462.1 555.5 675.2 699.0 767.2 774.7

100.8 110.6 111.2 113.8 -157.4 -215.2 246.0 263.3 309.4 314.3 372.2 382.4 400.5 417.2 438.3 455.3 479.4 549.4 648.2 764.1 768.0 792.5

80.0 105.8 -118.5 -157.8 165.2 213.3 251.2 261.7 303.8 320.1 369.0 379.9 399.8 424.8 437.5 453.7 489.1 571.6 657.6 768.3 773.7 816.3

81.5 101.9 -120.8 -150.1 172.1 209.1 245.3 265.9 300.7 317.7 362.5 379.5 394.2 418.8 437.8 453.0 476.9 548.8 665.3 760.8 769.0 797.0

94.0 104.8 114.8 124.5 139.5 150.0 160.7 213.9 237.5 260.3 292.1 321.7 367.4 384.0 403.0 411.3 444.9 453.0 476.5 532.3 618.4 709.0 770.6 785.1

96.2 104.8 112.9 121.7 140.1 149.5 156.8 215.3 241.3 260.5 283.3 324.6 368.1 378.7 402.5 409.1 446.0 453.9 477.4 533.9 625.8 732.2 772.7 809.9

2

Table 2: FTIR phonon wavenumbers (ΩTO and ΩLO) and widths (γTO and γLO) for the CRT samples (cm-1) obtained from the semi-quantum model1 # Mode 1

Phonon parameters InNb InTa Er Y Ho Tb 100\102 101\103 92\94 92\97 75\78 66\90 ΩTO/ΩLO 18\10 21\15 18\10 45\16 23\33 48\31 γTO/γLO 113\122 122\124 112\120 109\117 88\93 90\110 ΩTO/ΩLO 2 30\24 41\35 30\24 49\22 33\29 30\67 γTO/γLO 126\129 129\133 137\138 119\130 97\98 110\113 ΩTO/ΩLO 3 25\32 19\19 25\32 15\19 28\29 31\49 γTO/γLO 146\152 160\167 138\158 145\163 146\155 147\158 Ω /Ω 4 TO LO 16\19 28\25 16\19 35\26 48\43 43\61 γTO/γLO 178\200 190\194 159\163 176\197 205\216 210\220 ΩTO/ΩLO 5 12\10 40\26 12\24 38\29 82\39 70\54 γTO/γLO 208\231 203\238 187\216 210\240 251\258 247\258 ΩTO/ΩLO 6 25\34 30\37 25\34 33\33 83\31 66\33 γTO/γLO 262\262 248\270 238\244 250\272 258\290 258\288 ΩTO/ΩLO 7 23\19 31\34 23\19 41\42 40\39 33\46 γTO/γLO 289\300 272\280 264\279 293\303 306\309 308\308 ΩTO/ΩLO 8 25\23 27\40 25\23 34\27 40\36 40\32 γTO/γLO 315\315 292\292 307\311 308\326 309\334 314\333 ΩTO/ΩLO 9 30\50 45\71 30\50 35\55 59\33 50\38 γTO/γLO 334\361 339\361 324\350 344\365 337\363 343\366 ΩTO/ΩLO 10 22\25 46\31 22\25 41\24 27\24 35\21 γTO/γLO 364\395 365\397 355\378 369\390 365\377 368\380 ΩTO/ΩLO 11 23\20 29\29 23\20 27\24 26\15 25\17 γTO/γLO 401\434 402\447 383\428 393\446 379\438 381\465 Ω /Ω 12 TO LO 20\20 28\34 20\20 27\38 18\46 22\67 γTO/γLO 451\468 467\479 459\471 468\481 466\470 472\477 ΩTO/ΩLO 13 36\31 34\30 36\31 60\26 33\25 36\55 γTO/γLO 517\528 501\502 524\541 508\529 477\478 512\513 ΩTO/ΩLO 14 26\46 68\78 26\46 33\95 65\82 35\76 γTO/γLO 528\597 586\657 541\594 531\588 517\574 553\582 ΩTO/ΩLO 15 31\49 51\55 31\49 44\47 97\64 79\69 γTO/γLO 599\648 657\691 599\649 592\680 585\666 602\650 ΩTO/ΩLO 16 48\82 44\89 48\82 52\78 86\56 78\67 γTO/γLO 654\733 702\744 659\722 687\720 696\698 674\700 ΩTO/ΩLO 17 88\27 61\32 88\27 78\41 89\22 81\37 γTO/γLO 1 F. Gervais, in Infrared and Millimeter Waves, edited by K. J. Button (Academic Press, New York, 1983), Vol. 8.

Gd 56\82 34\39 82\107 25\48 110\124 29\63 149\165 38\47 203\219 61\51 252\258 57\45 258\284 51\35 307308 44\33 311\332 57\32 339\370 35\36 376\428 52\29 428\448 26\65 483\491 54\33 507\512 34\79 538\579 79\71 592\652 78\67 675\696 81\30

Eu 61\65 29\28 86\103 32\35 113\119 18\39 153\161 28\38 224\225 23\15 244\258 63\46 261\283 33\25 299\308 39\25 314\330 27\37 344\364 22\14 365\383 16\17 386\455 17\30 463\480 32\30 483\484 41\79 520\605 33\86 605\643 56\89 670\703 92\41

Sm 69\72 29\24 97\99 29\24 114\130 46\39 156\170 47\45 224\224 22\16 249\250 73\54 270\281 69\27 304\305 79\45 305\337 73\22 339\387 19\45 395\411 33\54 435\450 79\31 484\486 79\33 487\488 78\32 491\578 34\66 581\672 71\71 690\698 69\34

Nd 66\79 29\28 83\87 25\55 116\134 43\60 156\164 23\26 223\225 22\14 254\260 61\27 261\280 30\21 299\302 35\19 308\327 37\33 341\359 34\34 361\363 39\30 363\451 51\32 459\460 38\82 472\474 32\18 529\584 71\74 595\648 78\67 669\698 81\36

La 97\98 25\22 118\118 47\25 127\136 45\25 140\149 34\30 165\194 49\54 207\229 36\41 239\257 35\38 259\285 37\68 316\324 57\58 352\386 51\34 388\410 33\64 428\445 60\28 459\478 58\40 509\510 33\90 563\585 78\55 586\655 41\69 655\758 53\36