Pengaruh Temperatur Pemanasan pada Superkonduktor Magnesium Diboride (MgB2)

(1)

1. Bahan Penelitian

Serbuk MgB

2

Komersil

Sampel dalam Tube

Sampel siap untuk diuji

Preparasi sampel uji

Cryogenic

(2)

2. Alat Penelitian

Neraca Digital Kern EW

220-3NM

Spatula

SS304

Tube

Jangka Sorong

(3)

Mesin

Press

Hidrolik

Muffle Furnace

Alat uji DTA/TGA

Auto Fine Coater

(4)

Cryogenic Magnet

Circulatiom Pump

Compressor

gas Helium

Temperature and Magnet Controller

(5)

(6)

LAMPIRAN 2

(7)

(8)

Coefficient

Temperatur

0

_C)

_{Rel. mass change (%)}

_{Heat flow (Mw)}

40 1.4770

-1.6895

50 1.8393

-0.5566

60 2.1077

0.5667

70 2.2806

1.4860

80 2.3614

2.5153

90 2.2805

3.6522

100 1.6317

5.0779

110 1.9218

6.3887

120 1.9044

7.4662

130 1.7752

8.8301

140 1.8608

10.0585

150 1.7095

11.0338

160 1.7809

12.2108

170 1.8939

13.1219

180 2.0385

13.8059

190 1.9805

14.3299

200 2.1959

14.7144

210 2.0548

14.8797

220 2.2430

15.4169

230 2.3178

16.1119

240 2.2784

16.5881

250 2.4240

16.9586

260 2.5986

17.6185

270 2.5807

17.9631

280 2.6452

18.8508

290 2.6787

19.5533

300 2.9619

21.0117

310 2.7525

21.8036

320 3.0309

23.1975

(9)

340 3.0209

26.0184

350 3.0786

27.2933

360 3.0283

28.8938

370 3.0831

30.2873

380 3.0071

31.8247

390 3.1327

33.3545

400 3.2092

34.8348

410 3.1398

36.2978

420 3.3989

37.5204

430 3.2024

38.5090

440 3.4897

39.7111

450 3.3208

40.4935

460 3.4941

41.0530

470 3.5312

41.8646

480 3.8039

42.6736

490 3.7600

43.1559

500 3.7313

43.2322

510 3.8353

42.9747

520 3.7573

42.8942

530 3.9604

43.0470

540 4.1583

42.7631

550 3.9751

42.1667

560 4.3172

42.0288

570 4.4968

41.4787

580 4.3763

41.2319

590 4.6096

40.2213

600 4.6227

39.4112

610 4.8626

38.8176

620 4.9512

37.7002

630 5.0216

36.7547

640 5.1939

35.3661

(10)

660 5.6535

33.4306

670 5.8574

32.8004

680 6.0579

32.3899

690 6.4175

31.7342

700 6.6705

30.6334

710 6.8740

29.3946

720 7.3315

28.6399

730 7.8647

27.9309

740 8.1848

27.1170

750 9.0063

26.8579

760 9.6467

26.8443

770 10.3384

27.3428

780 11.2869

27.7066

790 12.1212

27.8825

800 12.9602

28.0397

810 14.2119

27.8019

820 15.2567

27.2207

830 16.4746

25.8721

840 17.7224

24.2014

850 18.8497

22.0245

860 19.8812

19.1937

870 21.0250

17.1923

880 22.2482

16.9149

890 23.3280

18.2395

900 24.4826

22.4316

910 25.7979

27.3652

920 27.0660

30.8920

930 28.4397

34.2750

940 29.8792

37.8309

950 31.0229

43.0673

960 32.5844

48.7970

(11)

980 35.3592

60.8807

990 36.7630

67.6390

1000

38.3097

74.0435

1010

39.7312

77.5121

1020

41.3296

78.0544

1030

42.8376

77.2370

1040

44.3071

76.4849

1050

45.9954

76.0177

1060

47.3504

74.9828

1070

48.9722

73.9994

1080

50.4446

73.4988

1090

52.1065

72.5987

1100

53.7226

72.1208

1110

55.0668

70.7375

1120

56.8689

69.7677

1130

58.5210

68.7437

1140

60.0677

67.0920

1150

61.7661

66.1807

1160

63.4522

65.1780

1170

65.0653

64.2197

1180

66.5990

62.9771

(12)

LAMPIRAN 3

HASIL XRD MATCH DAN PERHITUNGAN KRISTALIN

1. Hasil XRD Sampel MgB

2

Komersil Tanpa Pemanasan

Puncak-puncak difraksi sinar-X

Pos.

[°2Th.]

Height

[cts]

FWHM Left

[°2Th.]

d-spacing

[Å]

Rel. Int.

[%]

Phase

Name

25.4866

798.27 0.1535

3.49499

3.38 33.7178

7523.79

0.1791

2.65826

31.85 MgB

2

35.7504

641.83 0.1279

2.51165

2.72 MgB

4

38.9227

255.11 0.1791

2.31394

1.08 39.9934

81.72 0.3070

2.25443

0.35 41.0004

120.27 0.5117

2.20135

0.51 42.6215

23619.91

0.2558

2.12130

100.00 MgB

2

(13)

46.2954

185.32 0.2047

1.96116

0.78 48.0868

57.65 0.3070

1.89220

0.24 48.9839

95.99 0.2558

1.85963

0.41 52.0839

2647.43

0.1791

1.75600

11.21 56.3140

70.57 0.3070

1.63372

0.30 60.0676

4513.92

0.1560

1.53902

19.11 MgB

2

60.2574

2462.71

0.1248

1.53844

10.43 62.4500

475.09 0.2184

1.48592

2.01 63.3925

1406.49

0.2496

1.46607

5.95 66.2126

588.28 0.1872

1.41030

2.49 70.5719

510.12 0.2496

1.33349

2.16 76.2797

1919.57

0.2184

1.24728

8.13 76.5509

1021.53

0.1248

1.24662

4.32

(14)

2. Hasil XRD Sampel MgB

2

Komersil Pemanasan 400

0

C

Puncak-puncak difraksi sinar-X

Pos.

[°2Th.]

Height

[cts]

FWHM Left

[°2Th.]

d-spacing [Å]

Rel. Int.

[%]

Phase

Name

25.2310

32.43 0.1574

3.52982

3.66 33.4895

290.41 0.0886

2.67585

32.75 MgB

2

35.5281

34.81 0.1574

2.52685

3.93 MgB

4

38.7698

14.14 0.2362

2.32271

1.59 42.4181

886.80 0.0689

2.13101

100.00 MgB

2

42.8937

81.55 0.1968

2.10847

9.20 MgO

(15)

59.8789

150.29 0.1378

1.54470

16.95 MgB

2

62.2850

30.02 0.2362

1.49069

3.39 63.2185

44.94 0.3542

1.47091

5.07 66.0305

16.85 0.3149

1.41492

1.90 70.4418

13.26 0.3149

1.33674

1.49 76.0790

55.32 0.1574

1.25111

6.24 83.1950

50.87 0.4723

1.16124

5.74

3. Hasil XRD Sampel MgB

2

Komersil Pemanasan 750

0

C

Puncak-puncak difraksi sinar-X

Pos.

[°2Th.]

Height

[cts]

FWHM Left

[°2Th.]

d-spacing [Å]

Rel. Int.

[%]

Phase

Name

25.2959

50.79 0.1771

3.52090

3.06 33.5129

526.96 0.1574

2.67404

31.74 MgB

2

(16)

36.8866

8.55 0.4723

2.43685

0.51 38.1040

11.65 0.2362

2.36175

0.70 38.7359

20.29 0.1968

2.32467

1.22 42.4337 1660.40

0.1968

2.13025

100.00 MgB

2

42.9346

140.83 0.1574

2.10656

8.48 MgO

46.0396

7.39 0.4723

1.97146

0.45 51.8668

187.67 0.1574

1.76284

11.30 59.8781

271.15 0.1181

1.54472

16.33 MgB

2

62.2559

56.73 0.1181

1.49132

3.42 63.1817

95.61 0.2755

1.47167

5.76 66.0485

42.13 0.1968

1.41458

2.54 70.4348

31.84 0.3936

1.33685

1.92 76.1027

111.98 0.1968

1.25078

6.74 78.7017

8.82 0.3936

1.21586

0.53 83.1608

118.26 0.1574

1.16163

7.12

4. Hasil XRD Sampel MgB

2

Komersil Pemanasan 880

0

(17)

(18)

78.5692

11.62 0.4723

1.21758

0.75 83.1343

106.58 0.2755

1.16193

6.89

5. Gabungan Hasil Karakterisasi

X-Ray Diffraction

MgB

2

Komersil Dengan

Pemanasan

10 20 30 40 50 60 70 80 90

MgB2 400C

Mgb2 750C Mgb2 880C

Int

en

si

ta

s

(a

rb

it

ra

ry

u

ni

t

(a

.u)

)

Sudut 2-theta

Keterangan :

(19)

LAMPIRAN 4

HASIL SEM

–

EDS SAMPEL MgB

2

KOMERSIL

1. Hasil SEM-EDS Sampel MgB

2

Komersil Tanpa Pemanasan (Perbesaran

500x dan 1000x)

0.00 3.00 6.00 9.00 12.00 15.00 18.00 21.00

keV

ZAF Method Standardless Quantitative Analysis

Fitting Coefficient : 0.3750

Element (keV) Mass% Error% Atom% Compound Mass% Cation K

Probe Current: 1.00000 nA

PHA mode : T3

Real Time : 37.96 sec

Live Time : 30.00 sec

Dead Time : 20 %

Counting Rate: 4344 cps

Energy Range : 0 - 20 keV

(20)

2. Hasil SEM-EDS Sampel MgB

2

Komersil Pemanasan 400

0

C dengan 3 spot

0.00 3.00 6.00 9.00 12.00 15.00 18.00 21.00

keV

PHA mode : T3

Dead Time : 13 %

(21)

0.00 3.00 6.00 9.00 12.00 15.00 18.00 21.00

PHA mode : T3

Dead Time : 12 %

(22)

0.00 3.00 6.00 9.00 12.00 15.00 18.00 21.00

PHA mode : T3

Dead Time : 14 %

(23)

3. Hasil SEM-EDS Sampel MgB

2

Komersil Pemanasan 750

0

C dengan 3 spot

0.00 3.00 6.00 9.00 12.00 15.00 18.00 21.00

keV

PHA mode : T3

Dead Time : 26 %

(24)

0.00 3.00 6.00 9.00 12.00 15.00 18.00 21.00

PHA mode : T3

Dead Time : 22 %

(25)

0.00 3.00 6.00 9.00 12.00 15.00 18.00 21.00

PHA mode : T3

Dead Time : 23 %

(26)

4. Hasil SEM-EDS Sampel MgB

2

Komersil Pemanasan 880

0

C dengan 3 spot

0.00 3.00 6.00 9.00 12.00 15.00 18.00 21.00

keV

PHA mode : T3

Dead Time : 27 %

(27)

0.00 3.00 6.00 9.00 12.00 15.00 18.00 21.00

PHA mode : T3

Dead Time : 27 %

(28)

0.00 3.00 6.00 9.00 12.00 15.00 18.00 21.00

PHA mode : T3

Dead Time : 28 %

(29)

LAMPIRAN 5

HASIL

CRYOGENIC MAGNET

–

KALEIDAGRAPH

1. Hasil

Cryogenic Magnet

Sampel MgB

2

Komersil Tanpa Pemanasan

2. Hasil

Cryogenic Magnet

Sampel MgB

2

Komersil Pemanasan 400

0

(30)

3. Hasil

Cryogenic Magnet

Sampel MgB

2

Komersil Pemanasan 880

0

C

4. Gabungan Hasil Karakterisasi

Cryogenic Magnet

pada Sampel MgB

2

Komersil

-0.2 0 0.2 0.4 0.6 0.8 1 1.2

10 15 20 25 30 35 40 45

MgB2 tanpa pemanasan

MgB2 880C MgB2 400C

Re

sis

tiv

it

y