@article{
 title = {Non-Topotactic Phase Transformations in Single Crystals of beta-Glycine},
 type = {article},
 year = {2015},
 identifiers = {[object Object]},
 pages = {2568-2573},
 volume = {15},
 month = {6},
 publisher = {AMER CHEMICAL SOC},
 city = {1155 16TH ST, NW, WASHINGTON, DC 20036 USA},
 id = {24eee937-2bb3-3a65-8b09-cd824fbf32f6},
 created = {2015-12-14T19:51:26.000Z},
 file_attached = {false},
 profile_id = {3187ec9d-0fcc-3ba2-91e0-3075df9b18c3},
 group_id = {d75e47fd-ff52-3a4b-bf1e-6ebc7e454352},
 last_modified = {2017-04-18T19:34:34.336Z},
 read = {false},
 starred = {false},
 authored = {false},
 confirmed = {true},
 hidden = {false},
 citation_key = {ISI:000355890400004},
 source_type = {article},
 user_context = {Article},
 private_publication = {false},
 abstract = {The metastable beta polymorph of glycine exhibits a
single-crystal-to-single-crystal transformation (SCSCT) to either the
alpha or gamma phase with retention of the crystal habit of the parent
beta phase. X-ray diffraction and optical microscopy reveal that of 51
single crystals of the beta parent phase, 24 form single domain crystals
of alpha or gamma with a single orientation matrix, confirming an SCSCT.
The remaining 27 beta parent crystals transform to crystals with a few
domains of either alpha and/or gamma, each domain arising from a single
nucleation event. In three cases the beta -> alpha and beta -> gamma
transformations occurred within the same glycine single crystal. In all
cases, regardless of the number of domains, the transformation occurred
with retention of the original habit of the parent phase. Both beta ->
alpha and beta -> gamma transformations proceed in a non-topotactic
manner, as evident from the random orientations of the daughter phases
in the crystallographic reference frame of the parent beta phase. The
transformation rates, as measured by advancement of the growth front
with polarized optical microscopy, vary from crystal to crystal as well
as for different regions within the same crystal. Moreover, the
transformation rate increases substantially with relative humidity, and
at a relative humidity of 90% alpha-glycine was observed as the only
product.},
 bibtype = {article},
 author = {Jiang, Qi and Shtukenberg, Alexander G and Ward, Michael D and Hu, Chunhua},
 journal = {CRYSTAL GROWTH & DESIGN},
 number = {6}
}

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X-ray diffraction and optical microscopy reveal that of 51\nsingle crystals of the beta parent phase, 24 form single domain crystals\nof alpha or gamma with a single orientation matrix, confirming an SCSCT.\nThe remaining 27 beta parent crystals transform to crystals with a few\ndomains of either alpha and/or gamma, each domain arising from a single\nnucleation event. In three cases the beta -> alpha and beta -> gamma\ntransformations occurred within the same glycine single crystal. In all\ncases, regardless of the number of domains, the transformation occurred\nwith retention of the original habit of the parent phase. Both beta ->\nalpha and beta -> gamma transformations proceed in a non-topotactic\nmanner, as evident from the random orientations of the daughter phases\nin the crystallographic reference frame of the parent beta phase. The\ntransformation rates, as measured by advancement of the growth front\nwith polarized optical microscopy, vary from crystal to crystal as well\nas for different regions within the same crystal. Moreover, the\ntransformation rate increases substantially with relative humidity, and\nat a relative humidity of 90% alpha-glycine was observed as the only\nproduct.","bibtype":"article","author":"Jiang, Qi and Shtukenberg, Alexander G and Ward, Michael D and Hu, Chunhua","journal":"CRYSTAL GROWTH & DESIGN","number":"6","bibtex":"@article{\n title = {Non-Topotactic Phase Transformations in Single Crystals of beta-Glycine},\n type = {article},\n year = {2015},\n identifiers = {[object Object]},\n pages = {2568-2573},\n volume = {15},\n month = {6},\n publisher = {AMER CHEMICAL SOC},\n city = {1155 16TH ST, NW, WASHINGTON, DC 20036 USA},\n id = {24eee937-2bb3-3a65-8b09-cd824fbf32f6},\n created = {2015-12-14T19:51:26.000Z},\n file_attached = {false},\n profile_id = {3187ec9d-0fcc-3ba2-91e0-3075df9b18c3},\n group_id = {d75e47fd-ff52-3a4b-bf1e-6ebc7e454352},\n last_modified = {2017-04-18T19:34:34.336Z},\n read = {false},\n starred = {false},\n authored = {false},\n confirmed = {true},\n hidden = {false},\n citation_key = {ISI:000355890400004},\n source_type = {article},\n user_context = {Article},\n private_publication = {false},\n abstract = {The metastable beta polymorph of glycine exhibits a\nsingle-crystal-to-single-crystal transformation (SCSCT) to either the\nalpha or gamma phase with retention of the crystal habit of the parent\nbeta phase. X-ray diffraction and optical microscopy reveal that of 51\nsingle crystals of the beta parent phase, 24 form single domain crystals\nof alpha or gamma with a single orientation matrix, confirming an SCSCT.\nThe remaining 27 beta parent crystals transform to crystals with a few\ndomains of either alpha and/or gamma, each domain arising from a single\nnucleation event. In three cases the beta -> alpha and beta -> gamma\ntransformations occurred within the same glycine single crystal. In all\ncases, regardless of the number of domains, the transformation occurred\nwith retention of the original habit of the parent phase. Both beta ->\nalpha and beta -> gamma transformations proceed in a non-topotactic\nmanner, as evident from the random orientations of the daughter phases\nin the crystallographic reference frame of the parent beta phase. The\ntransformation rates, as measured by advancement of the growth front\nwith polarized optical microscopy, vary from crystal to crystal as well\nas for different regions within the same crystal. Moreover, the\ntransformation rate increases substantially with relative humidity, and\nat a relative humidity of 90% alpha-glycine was observed as the only\nproduct.},\n bibtype = {article},\n author = {Jiang, Qi and Shtukenberg, Alexander G and Ward, Michael D and Hu, Chunhua},\n journal = {CRYSTAL GROWTH & DESIGN},\n number = {6}\n}","author_short":["Jiang, Q.","Shtukenberg, A., G.","Ward, M., D.","Hu, C."],"bibbaseid":"jiang-shtukenberg-ward-hu-nontopotacticphasetransformationsinsinglecrystalsofbetaglycine-2015","role":"author","urls":{},"downloads":0},"search_terms":["non","topotactic","phase","transformations","single","crystals","beta","glycine","jiang","shtukenberg","ward","hu"],"keywords":[],"authorIDs":[]}