What is Xrd: Definition and 65 Discussions

Guilty Gear Xrd (Japanese: ギルティギア イグザード, Hepburn: Giruti Gia Iguzādo) is a fighting video game sub-series by Arc System Works and part of the Guilty Gear series. Guilty Gear Xrd was developed using Unreal Engine 3, with cel-shaded graphics in place of the series traditional hand drawn sprites. Following the storyline of the last game in the series, Guilty Gear 2: Overture, it introduced seven new characters.
The first Xrd game, Guilty Gear Xrd -SIGN-, was released in arcades on February 20, 2014 as the 5th main installment, and for the PlayStation 3 and PlayStation 4 in Japan and North America in December of the same year. A digital-only release happened in Europe in June 2015, and it was brought to Microsoft Windows via Steam on December 9, 2015. The game has been praised for its cel-shaded graphics and approachable gameplay, but criticized for its non-interactive story mode and smaller roster of characters.
A sequel follow-up, titled Guilty Gear Xrd -REVELATOR-, was released on consoles in May 2016 in Japan and June 2016 elsewhere as the 6th main installment. An update title to -REVELATOR- titled Guilty Gear Xrd REV 2 was announced at Arc System Works Fighting Game Award 2016 on January 14, 2017 and released for Arcades in March 2017, while PS3, PS4 and PC versions were released worldwide at the end of May 2017. The REV 2 update patch for those who bought -REVELATOR- on PlayStation Store or Steam was released as a paid DLC. The PS4 also received an exclusive physical disc version.

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  1. G

    Engineering Bravais lattice from lattice points

    I am confused on how to use these translations to tell what type of unit cell I have. I know that this is not a face centered unit cell because you need 4 total atoms and I only have two. From what I understand, to apply a body centering translation you add or subtract it from the lattice point...
  2. S

    XRD Result Analysis on Polymer

    So i just have my XRD result (Polymer Specimen) which i use to determine crystallinity of my material, and it turns out that my material has no obvious peak, and have a broad peak which usually associated with amorphous material. I added some filler to my material and it became more and more...
  3. Dario56

    How to Determine the Unit Cell Type From the XRD Data?

    Hey guys, I got an XRD data for my sample and want to determine its density. This requires finding lattice parameters. However, I'm not certain about the crystallographic system of my sample. How can I determine the type of the unit cell my sample has from XRD data (I can use GSAS II if...
  4. C

    A Negative slope in Williamson-Hall model

    Good afternoon, I am analyzing a diffraction diagram (XRD) corresponding to a powder diffraction experiment , and I have obtained a negative slope value when plotting ##\left(\beta_{exp}-\beta_{inst}\right)\cos\theta## vs ##\sin\theta##. This implies that the strain coefficient is negative for...
  5. X

    A Question about crystal structure of long chain fatty acids (XRD)

    Hello, we are studying potato periderm before/after digestion and dewaxing and native vs wounded. One of the techniques is XRD, hence my user name. Among other things we are trying to use XRD to determine the arrangement of fatty acids, esters, and other long-chain aliphatics that are present...
  6. Livio Arshavin Leiva

    I What explains the sharpness of XRD peaks?

    I was reviewing an old topic for me that's x-ray diffraction, and one doubt I always had in my mind arised again. When introducing the Bragg's law, the typical explanation is that the x-ray waves reflecting in two adjacent planes interfere with each other, leading to a fully constructive...
  7. X

    A Powder XRD sample prep question

    Hello, I have an unusual case in that I am using XRD to study plant skins before and after certain chemical treatments. So the resulting pattern will have a lot of amorphous regions but also some characteristic peaks showing the presence of fatty acids, etc. Basically I grind everything to a...
  8. A

    A What is the best free software for analyzing powder XRD data?

    I studied an elementary course as an introduction to Solid State Physics. Now I have powder XRD data to practice crystal structure determination. I am going to do this alone in my computer. I want to know what software to use (free software) with manual of course. Any help please?
  9. B

    I What does peak intensity mean in qualitative XRD?

    If diffraction angle 2θ represents Miller indices, what does intensity represent particularly in the context of quantitative XRD?
  10. S

    What causes color change in powders during XRD testing?

    I was performing XRD earlier, and I came across this odd occurrence in the powders that were being inspected - After it was performed, the crystalline powder I had been testing had gone off color into this yellowish appearance (Originally was white). Upon disturbance, the powder become white...
  11. B

    How to convert XRD results in .txt format to .dat or others?

    I had some precipitate samples analyzed for XRD and the operator sent me the results in .txt format containing the 2θ and intensity data. I want to plug the data to QualX software but apparently it cannot read data in that format. Is there any way to convert the data to compatible formats (e.g...
  12. P

    How to Identify Fluorapatite in XRD Analysis?

    I have a sample that was analyzed with x-ray diffraction, the graph had several peaks at different 2θ degrees, how to know if this sample has fluorapatite? I need the answer ASAP please..
  13. W

    Graphene-Epoxy XRD: Investigating Dispersion Results

    I'm trying to find out how well graphene nanoplatelets have dispersed into epoxy resin through plasma functionalisation. I've performed XRD upon a sample containing 1.0 wt% of graphene-epoxy and of neat epoxy. This is the first time I've used XRD so I'm unsure what conclusions can be drawn, I...
  14. B

    XRD Sample Prep: Pulverization w/o Affecting Crystallinity?

    I have some precipitate samples that I wish to analyze for XRD. I collected them by filtration of a slurry. Through the filtration, the precipitates "cemented" on the surface of the filter pad so the samples I collected are not exactly in powdered form, which I believe is the ideal form to do...
  15. B

    Do Different Peak Heights in XRD Analysis Indicate a Different Substance?

    The major diffraction peaks of my sample have essentially the same 2θ values as the reference (graphically), but have different heights. Can it still count as conclusive evidence that my sample matches the reference? Or does it suggest that my sample is a different substance? Also, as a side...
  16. S

    WAXS - XRD, calculating the degree of crystalinity

    Homework Statement Hello, I have done WAXS measurement on 3 samples of PP(Polypropylene). These samples are from plates processed by hydraulic pressing, it is the exact same material and the only difference is in postprocessing. 1st. Was immediately cooled in water 2 nd. Was put into another...
  17. C

    Identifying Broad Reflections in XRD Patterns

    Hello, everyone! Let's say I have an XRD pattern which has broad reflections. I don't know what material it is (don't know what temperature and conditions it is made). How to know whether those broad reflections are from nanomaterial or amorphous material?
  18. hkazmi25

    In bcc lattice why XRD 100 peak is not observed ?

    Can someone tell me that in bcc lattice why xrd 100 peak does not appear?
  19. R

    XRD for grain size measurement

    Hello, Could you explain or prompt me to an article or source that mentions the advantages/setbacks from measuring the grain size of materials using X-Ray Diffraction (XRD)?
  20. madhusoodan

    XRD peak position near 32 degree

    Why almost every crystal system has peak around 32 degree (2 theta) ?
  21. R

    Determine the lattice parameter of Tetragonal system

    As a part of our exercise we need to determine the lattice parameter of the given xrd peaks (http://bama.ua.edu/~mweaver/courses/MTE481/Lab2_PP.pdf . the last page of the link), here's the peak data: 2theta 23.73 39.23 46.36 56.69 62.31 71.1 76.15 84.35 89.2 97.29 102.21 110.83 115.9 luckily...
  22. H

    PXRD Pattern Analysis of Metal Oxide Samples

    What benefit is gained for doing more than one measurement on a metal oxide sample with a beamline set up so that the wavelength from a Si 111 monochromator was 0.7 A to obtain a PXRD pattern and then changing the wavelength to 0.8 A to obtain a second PXRD pattern?
  23. V

    Understanding FWHM in XRD Analysis of Powder Patterns

    Why is FWHM taken for calculations in XRD analysis of powder pattern? I mean, why don't we take the full peak value?
  24. R

    Determine Crystal structure of non-cubic crystal in XRD plot

    Given only 2theta and intensity, how to know the crystal structure (except cubic) of non cubic crystals, and also determine their lattice parametera,b,and c, if there's a link or website discussing techniques to determine crystal structure of all crystals, please don't hesitate to put it here...
  25. C

    X-Ray Diffraction peak width due to micro-strain

    I understand that the peak-width of diffraction data increases with increasing amounts of heterogeneous, localized (AKA "micro-") strain. So, if you have a single crystal with atomic impurities in it that each create micro-strain in the lattice, you would expect the amount of peak-broadening...
  26. Luck0

    Does anyone have experience with DBWS software for Rietveld refinement?

    I'm analyzing data from XRD on a FeSeTe sample, and can't figure out how to match the calculated intensities with the observed ones. I'm having a hard time with this program, can someone help me?
  27. M

    Fluctuating XRD Sapphire Intensity

    A few months back my colleagues and I are facing a problem where the intensity of our sapphire peak fluctuates every time an XRD phase analysis was done, even when the scan was done on the same sample. By accident, I found that the orientation of the sapphire substrate with respect to phi...
  28. F

    Troubleshooting XRD Image Analysis on PZT Thin Film

    I have the XRD image of a PZT thin film. While trying to analyze it with JADE software I can not find the proper space group.So it is not giving me the answer I am looking for. I assumed the crystal system to be cubic.
  29. Q

    What is sin[itex]_{2}[/itex][itex]\theta[/itex]min in regards to XRD

    Hi i have 2\theta and have found sin_{2}\theta from that but what does sin_{2}\thetamin refer to? i attached the graph I'm trying to fill out, the information i have is; the peak list with 2\theta the height of the peak in counts, FWHM Left, d-spacing and the relative intensities of the peaks...
  30. S

    Calculating 2θ for XRD Pattern of a FCC Lattice

    Homework Statement A wavelength of 0.7107 Angstroms is used to analyse a polycrystalline sample with a known FCC lattice structure. The interplanar spacing of the first peak is 0.3 A. Calculate 2θ for the first 3 peaks on the XRD pattern. First 3 peaks occur at (111), (200) and (220)...
  31. M

    XRD limitation in detection of a second phase with low amount

    I have performed heat treatment (aging) on my alloy. In this process fine precipitates form in the matrix of the alloy, which strengthen the alloy. However, XRD spectrum could not show the peaks related to the fine precipitates. 1- Why the peaks are not detectable? Is it because of the...
  32. Y

    Difference between SAED pattern and XRD Pattern

    Hello every one! Why in SAED pattern some reflection are present but not in the powder XRD pattern? For example in my particular experiment FeCo bcc alloy nano structures, the XRD pattern contains only three reflection (110), (200) and (211). But in SAED pattern there are , reflection of...
  33. M

    Powder XRD FCC spirals explanation

    Hello All, I've been reading about XRD and found this picture online: http://en.wikipedia.org/wiki/File:Aluminumpowderpattern.png My question, which might be due to the lack of background as I'm an ECE guy, is why are the FCC lattice vectors depicted of Spirals whose minima lie on the...
  34. F

    XRD Structure Factor: Primitive Unit Cell vs Convention Unit Cell

    Hi all, structure factor is 2πi(hx+ky+lz), (hkl)is plane index, and (xyz) is index within a unit cell of real lattice. For example, we are now calculating FCC's structure factor. In general, textbook taught us using convention unit cell of FCC( that is FCC in form of cubic) to index...
  35. C

    XRD Analysis of Copper Nanopowder: Details & Info

    What are the various details and information (like particle size, crystal structure) that can be obtained and infered from xrd analysis of a copper nanopowder.
  36. M

    XRD Data Assistance: Miller Indices | Help with YBCO

    Hi, Im new to this forum. I was hoping someone could suggest a free program or how I could determine the miller index's from XRD data. I know roughly what they should be by knowing the material we fabricated, YBCO a = 3.82, b = 3.89, and c = 11.68 Å. Many thanks in advance
  37. A

    XRD of spinel and inverse spinel structure

    Hi everyone, I have a question. Can we use XRD to tell if a material has a spinel or inverse structure? If yes, how should we identify it. If not, what are the ways to differentate spinel and inverse spinel structure. I a newbie in XRD analysis. Please kindly advise. Thanks.
  38. H

    Determining Uncertainty in XRD

    I am new to XRD and want to know the best way to measure uncertainty. Any help would be greatly appreciated.
  39. Z

    Grain size estimation in glacing angle XRD

    Hello everyone, I met a problem in XRD. Using theta-2theta mode I can not find crystalline peaks in my thin film sample because most within it is amorphous phase. However, I get three clear peaks using the glacing mode,i.e. theta-theta mode. Now i want to calculate the grain size in terms...
  40. A

    Why the term diffraction in XRD

    Why the term "diffraction" in XRD When there is selective reflection of x-rays from crystals, why the phenomena is called "diffraction"? As we know that diffraction is associated with the bending of waves at the corners of any obstacle, here there does not seem to be any bending around the...
  41. Z

    XRD Burnishing: Investigating Residual Stress Measurements

    I am doing a research project on measurement of residual stresses for Ti-6Al-4V that has been burnished. I did the first scan to get my peaks, and selected the last peak (the highest 2 theta value) for the stress scan (sin^2 PSI method). The problem is that the value I got for 3 samples (that...
  42. O

    How to get / present the results for XRD and XRF

    I am doing XRF analyses and in situ HTXRD, there is Topas available. Actually the experiment it is not done by me because I was told only one person should run the instrument in order to not damage it. I asked - to have 2 theta but the person told to me “no. all the people get results in...
  43. A

    Incorporation of ZnO2 into Polyaniline: XRD Issues

    i have reacted zno2 wth Dodecyl benezene sulphonic acid and aniline for the incorporation of zno2 in the matrix of polyaniline.after xrd i m nt getting the exact peaks of zno2 in my composite..can u tell me why? is it forming any complex or wat? please reply soon its urgent Thanks
  44. N

    Thin film asymmetrical grazing angle XRD

    Hi guys I wanted to know if somebody can guide me on how to run a symmetrical grazing angle XRD on carbon thin films. I have been doing asymmetric grazing angle which predominantely measures diffraction pattern which is out of plane (normal) to the substrate. Now, I want to do an in-plane...
  45. S

    Determine crystal lattice structure from powder XRD

    Homework Statement Using the powder XRD data below, show that the substance has a face centred cubic structure. (xray lamda = 0.154056 nm) Peak No.------2(theta) 1 -------------38.06 2 -------------44.24 3 -------------64.34 4 -------------68.77 5 -------------73.07 Homework...
  46. P

    Analyse XRD Data to Find Lattice Constant & Crystal Structure

    Hello, I have X-Ray Diffraction Data: Intensity versus angle 2 \Theta and shall find out the lattice constant and even better the crystal structure. The Data is from a \Theta-\ThetaDiffractometer. \lambda = 1,54 \cdot 10^{-10}m I know that I have to find the peaks and can calculate d from...
  47. K

    Xrd- thickness of sample?how?

    In XRD, to examine the diffraction pattern and the determine the elemental structure, a thin layer of sample is deposit on a substrate. since x ray penetrate deeper than electron, how the thickness of the sample will affect the XRD result? how do know what is the appropriate thickness to...
  48. M

    Why Does XRD Show Amorphous Spectrum in Crystalline Hydroxyapatite Nanopowder?

    Hello! I would like to ask your help in the interpretation of Xrd data from hydroxyapatite nanopowder. I know from the start that powders which I am analysing are already crystalline (another techniques were used to confirme that) but I keep having a characteristic spectrum of amorphous...
  49. A

    How to determine relative 2theta peak in XRD analysis?

    Hope somebody can help me. I`m currently doing analysis of determining single crystal of Zr2Cu on a surface of bulk metal. Through XRD, i determine the peak and compared it with data from JCPDS card. My problem is I don`t know the correct way to compare the theoritical 2theta peak(from...
  50. drizzle

    In any XRD pattern, the intensity unit considered as [a.u.] which

    In any XRD pattern, the intensity unit considered as [a.u.] which stands for arbitary unit [I guess], can anyone tell me what does it mean, I get confused especially with the range of intensity values one material may have, i.e. 0-200 ~0-5000! is it just an arbitary value or what?
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