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In curve b and c, CuGa0.5In0.5Se2 existed in the samples according to the standard JCPDS (Card No.40-1488).
In curve d, CuGa0.3 In0.7Se2 according to the standard JCPDS (Card No. 35-1102) and a small amount of CuGaSe2 according to the standard JCPDS (Card No. 65-2735) coexisted in the sample.
Curve f indicated that CuInSe2 formed in the sample according to the standard JCPDS (Card No. 40-1487).In curve g CuGa0.3In0.7Se2 existed in the samples according to the standard JCPDS (Card No.35-1102).
In curve h CuGa0.5In0.5Se2 existed in the samples according to the standard JCPDS (Card No.40-1488).In curve i, CuGa0.3 In0.7Se2 according to the standard JCPDS (Card No. 35-1102) and a small amount of CuGaSe2 according to the standard JCPDS (Card No. 65-2735) coexisted in the sample.
In curve j, CuGaSe2 crystals are formed according to the standard JCPDS (Card No. 31-0456) and a small amount of Cu7Se4existed in the samples according to the standard JCPDS (Card No. 26-0551).

In this work, SiC phase presented the stacking faults in the structure, being not possible to calculate the unit cell size, symmetry and bond lengths but it seem equal card number 29-1129 of JCPDS.
These crystals are not different in the number of Si and C atoms, but in the arrangement of the atomic layers.
SiC with cubic structure was identified and indexed with parameters corresponding to the card number 29-1129 of Joint Committee on Powder Diffraction Standards (JCPDS)[10]. 30 32 34 36 38 40 0 200 400 Stacking Faults Intensity (CPS) 2θ(degree) SiCf/SiC Composite Refinement Rietveld Fig. 4: Zoomed main peak showing the shoulder.
The observed SiC single phase was 3C phase (β phase) with parameters corresponding to the SiC card number 29-1129 (JCPDS).
[10] JCPDS number 29-1129

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The raw ZNSS sample, which was characterized with x-ray diffraction and were seen that the raw ZNSS composed of calcium carbonate (aragonite) (JCPDS card no: 00-041-1475).
The sample sintered at 865°C are strongest reflection of HA phase (JCPDS card number 98-006-0431), whitlockite (JCPDS card number 98-000-5830), dolomite (JCPDS card no: 98-008-5907), monetite (JCPDS card no:98-000-5562) and tricalcium bis (phosphate(V)) (JCPDS card number 98-007-8499).
At 885 0C sintered sample were found following phases as the major phases are whitlockite (JCPDS card number 98-000-5830), hydroxylapatite (JCPDS card number 98-006-0431) and tricalcium bis (phosphate (V)).
The minor phase obsess magnetite (JCPDS card number 98-002-1960) at 885 0C sintered sample (Fig.3).

All peaks in the diffraction pattern of pure WO3 were assigned to the stoichiometric monoclinic phase (JCPDS card no. 1-072-0677).
There were minimal changes observed upon addition of cerium to WO3 which displays of new peaks at 2ϴ= 25-30º as cerium tungsten oxide, Ce2WO6 (JCPDS card no. 25-1445), cerium oxide CeO1.87, (JCPDS 1-078-6854) and cerium, Ce (JCPDS card no. 31-0325).
XRD analysis of reduced pure WO3 shows formation of sub-oxide W18O49 (JCPDS card no. 01-084-1516), small amount WO2 (JCPDS card no. 01-0871-0614), and some unreduced WO3 (JCPDS card no. 01-075-2072) phases.
Moreover, new peak of Ce2O3 (JCPDS card no. 01-076-744) were also detected.
The major product of the reduction of Ce/WO3 sample was high intensity of W phase and small amount of non-stoichiometric of W5O14 (JCPDS card no. 41-0745) and W3O5 (JCPDS card no. 1-081-2262) phases.

X-Ray diffraction of Co NPs using Allium cativum with polycrystalline as compared to specification (JCPDS Card no. 030-0443) and the structure is cubic phase and showed nothing at any article than to extract used as search (chemical) method with the outfit that successful chemical picas distinct and no trace of moisture dust concentrations are enlargement were appropriate for the sample.
XRD of Fe NPs using Allium cativum is polycrystalline depend on (JCPDS Card no. 052-0513) with peaks (111, 200, 220) and 2θ(42.7, 49.7, 73.1).
Then, the extract was filtered by Whitman's number (1) candidate sheet.
Fig. 1 reveal X-Ray diffraction of Co NPs using Allium cativum with polycrystalline as compared to specification (JCPDS Card no. 030-0443) and the structure is cubic phase and showed nothing at any article than to extract used as search (chemical) method with the outfit that successful chemical picas distinct and no trace of moisture dust concentrations are enlargement were appropriate for the sample.
The average crystallite sizes are in the range of (9-48 nm), XRD of Fe NPs using Allium cativum is polycrystalline depend on (JCPDS Card no. 052-0513) with peaks (111, 200, 220) and 2θ(42.7, 49.7, 73.1) as shown in Fig.2.

X-ray diffraction analyses of the raw plate limpet samples showed calcium magnesium carbonate (JCPDS card number 00-060-0473).
The sample sintered at 835 0C in air for 4 hours is revealed a major phase consists of following phases (Fig. 3); hydroxyapatite (JCPDS card number 98-004-0602) and portlandite (JCPDS card no: 98-006-3140).
The minor phase is shown calcite (JCPDS card no: 98-002-1954).
The major phases, which were sintered at 855 0C are the followings (Fig. 3): hydroxyapatite (JCPDS card number 98-004-0602), brucite (JCPDS card number 98-005-6733) and monetite (JCPDS card number 98-000-5364).
The minor phase is detected as calcite (JCPDS card no: 98-002-1954).

The vertical lines correspond to the standard Mn3O4 powder from JCPDS card #24-0734.
The vertical lines correspond to the standard LiMn2O4 powder from JCPDS card #35-0782. 0 1 2 3 4 5 6 * * * * # ## 1100 oC 1000 oC 900 oC 800 oC x=3 Intensity (a. u.) 2θ 10 20 30 40 50 60 70 * * **** * ** Journal Title and Volume Number (to be inserted by the publisher) 3 with x = 2.0, prepared at temperatures of 800, 900, 1000 and 1100 oC.
The vertical lines correspond to the standard LiMn2O4 powder from JCPDS card #35-0782
The vertical lines correspond to the standard Mn3O4 powder from JCPDS card #24-0734.
The vertical lines correspond to the standard Mn3O4 powder from JCPDS card #24-0734.

Four peaks at 2θ of 26.02°, 32°, 33.14° and 33.94° correspond to (111), (200), (121), (002) of orthorhombic YFeO3(JCPDS Card No.39-1489).
The peak at 2θ of 29.2° may attribute to cubic Y2O3(JCPDS Card No.65-3178) and the peak at 2θ of 30.32° may attribute to tetragonal Fe5Y3O12(JCPDS Card No. 21-1450).
Lower temperature has led to impurity of Y2O3 (JCPDS Card No. 43-1026) and Y3Fe5O12 (JCPDS Card No. 46-0891) in XRD patterns.
After calcination at 800°C(fig 2d), phase pure YFeO3, which is in excellent accord with the powder data of JCPDS Card No. 39-1489, was obtained.
The band-gap values fall in the range of a number of absorption features observed in the magneto-optic spectra of single crystals of orthoferrites and it can be attributed to the charge transfer or charge transfer enhanced crystal field transitions associated with the octahedrally co-ordinated Fe 3+ ions[9].

Confirmation structure of TiO2 powder was obtained by comparison with the Joint Committee on Powder Diffraction Standards (JCPDS) Card File No.21-1272 [8] and 21-1276 [9].
At 80 °C for 3h, Fig.1 (a), multiphase of anatase and rutile structure of TiO2 powder were obtained by comparison with the Joint Committee on Powder Diffraction Standards (JCPDS) Card File No.21-1272 [8] and No.21-1276 [9].
At 100 °C for 3h, Fig.1 (b), single phase of anatase structure of TiO2 powder was obtained by comparison with the Joint Committee on Powder Diffraction Standards (JCPDS) Card File No.21-1272 [8].
Powder Diffraction File, Card No. 21-1272, Swarthmore, PA
Powder Diffraction File, Card No. 21-1276, Swarthmore, PA

In general, the strongest reflections apparent in patterns could be matched with a JCPDS file number 74-1504.
It was found that, the samples sintered at 1450 and 1500 oC gave rise to high purity ZT ceramics and the peaks matched well with ZrTiO4 phase in a JCPDS file number 74-1504.
In general, the strongest reflections apparent in patterns could be matched with a JCPDS file number 74-1504 [6] as shown in Fig.2.
The samples sintered at 1450 and 1500 oC gives rise to high purity ZT ceramics, the peaks matched well with ZrTiO4 phase in a JCPDS file number 74-1504 [6].
[6] Powder Diffraction File, Card No.74-1504.