Weight (g)

Pr doped Samples

Sr(NO₃)₂

Pr (NO₃)₃∙6H₂O

Fe(NO₃)₃∙9H₂O

Al(NO₃)₃∙9H₂O

Citric Acid

Sr_0.82Pr_0.18Fe₁₂O₁₉

0.16116

0.05684

4.5173

0.000

2.5454

Sr_0.82Pr_0.18Fe_11.5Al_0.5O₁₉

0.16391

0.05761

4.3854

0.1772

2.5803

Sr_0.82Pr_0.18Fe₁₁Al₁O₁₉

0.16618

0.05842

4.2558

0.3592

2.6162

Sr_0.82Pr_0.18Fe_10.5Al_1.5O₁₉

0.16853

0.05924

4.1195

0.5465

2.6528

Sr_0.82Pr_0.18Fe₁₀Al₂O₁₉

0.1706

0.05997

3.9716

0.7376

2.6856

Sm doped Samples

Sr(NO₃)₂

Sm(NO₃)₃∙6H₂O

Fe(NO₃)₃∙9H₂O

Al(NO₃)₃∙9H₂O

Citric Acid

Sr_0.82Sm_0.18Fe₁₂O₁₉

0.1618

0.07461

4.5226

0.000

2.5484

Sr_0.82Sm_0.18Fe_11.5Al_0.5O₁₉

0.1641

0.07565

4.3933

0.1774

2.5832

Sr_0.82Sm_0.18Fe₁₁Al₁O₁₉

0.1663

0.07669

4.2605

0.3596

2.6189

Sr_0.82Sm_0.18Fe_10.5Al_1.5O₁₉

0.1687

0.07777

4.1238

0.5471

2.6557

Sr_0.82Sm_0.18Fe₁₀Al₂O₁₉

0.1712

0.07896

3.9874

0.7405

2.6963

Gd doped Samples

Sr(NO₃)₂

Gd(NO₃)₃∙6H₂O

Fe(NO₃)₃∙9H₂O

Al(NO₃)₃∙9H₂O

Citric Acid

Sr_0.82Gd_0.18Fe₁₂O₁₉

0.1615

0.07562

4.5124

0.000

2.5427

Sr_0.82Gd_0.18Fe_11.5Al_0.5O₁₉

0.1637

0.07655

4.3833

0.1769

2.5773

Sr_0.82Gd_0.18Fe₁₁Al₁O₁₉

0.1659

0.07771

4.2506

0.3588

2.6129

Sr_0.82Gd_0.18Fe_10.5Al_1.5O₁₉

0.1683

0.07879

4.1142

0.5457

2.6495

Sr_0.82Gd_0.18Fe₁₀Al₂O₁₉

0.1707

0.07991

3.9739

0.7379

2.6872