<!DOCTYPE html><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body><div dir="ltr" style="outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-family: irans;">Greetings All,<br></div><div dir="ltr" style="outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-family: irans;">My student is struggling with NEB calculations, and i will be glad if someone could be of help. This is his request:<br></div><div dir="ltr" style="outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-family: irans;"><br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'>I'm trying to do NEB for my system(Cobalt oxide) which contains 140 atoms in the case of CO oxidation.<br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'>Unfortunately, the NEB calculation is not converging, error(ev/A) goes up and down with iterations and does not have a stable downward value.<br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'>I would be grateful if someone could help me(Calculation time is important for me).<br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'>I used this input file:<br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'><br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'>&PATH<br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'> ci_scheme = "no-CI"<br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'> ds = 1.0<br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'> first_last_opt = .FALSE.<br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'> k_max = 0.6<br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'> k_min = 0.4<br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'> nstep_path = 250<br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'> num_of_images = 9<br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'> opt_scheme = "broyden"<br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'> path_thr = 0.05<br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'> string_method = "neb"<br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'> use_freezing = .FALSE.<br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'><br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'>&CONTROL<br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'> forc_conv_thr = 0.005<br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'> tprnfor = .TRUE.<br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'> verbosity = "low"<br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'><br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'>&ELECTRONS<br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'> conv_thr = 1.0e-6<br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'> diagonalization = "david"<br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'> electron_maxstep = 135<br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'> mixing_beta = 0.2<br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'> mixing_mode = "local-TF"<br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'> startingpot = "atomic"<br></div><div style='outline: 0px; -webkit-tap-highlight-color: transparent; box-sizing: unset; color: rgb(51, 51, 51); font-family: irans, "DejaVu Sans", Verdana, "Bitstream Vera Sans", "DejaVu LGC Sans", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'> startingwfc = "atomic+random"<br></div><br><br><div class="rl-signature"><div><b>Cavus Falamaki, PhD</b><br></div><div><br></div><div><b>Full Professor of Chemical Engineering</b><br></div><div>Chemical Engineering Department<br></div><div>Amirkabir University of Technology<br></div><div>P.O. Box 15875-4413, Tehran, Iran<br></div><div>tel: +98 21 64 54 31 60<br></div><div>fax: +98 21 66 40 58 47<br></div><div><a href="mailto:c.falamaki@aut.ac.ir">c.falamaki@aut.ac.ir</a><br></div><div><br></div><div><b>Head of X-Ray Laboratory</b><br></div><div>Central Laboratory<br></div><div>Amirkabir University of Technology<br></div><div>P.O. Box 15875-4413, Tehran, Iran<br></div><div>tel: +98 21 64 54 57 00<br></div></div><div><br></div><div><br></div></body></html>