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@ARTICLE{Zhang:625357,
      author       = {Zhang, Pengju and Roth, Stephan and Mueller-Buschbaum,
                      Peter and He, Tian-Bai},
      title        = {{D}irect {O}bservation of {E}arly-{S}tage {P}olymer
                      {C}rystallization {D}riven by {S}urface {W}rinkling and
                      {C}ompressive {S}tress in {T}hin {F}ilms},
      journal      = {Chinese journal of polymer science},
      volume       = {43},
      number       = {2},
      issn         = {0256-7679},
      address      = {Heidelberg [u.a.]},
      publisher    = {Springer},
      reportid     = {PUBDB-2025-01114},
      pages        = {360 - 367},
      year         = {2025},
      note         = {Waiting for fulltext},
      abstract     = {The early stages of crystallization and occurrence of
                      surface wrinkling were investigated using
                      poly(butadiene)-block-poly(ε-caprolactone) with an ordered
                      lamellar structure. Direct evidence has demonstrated that
                      surface wrinkling precedes nucleation and crystal growth.
                      This study examined the relationship between surface
                      wrinkling, nucleation, and the formation of crystalline
                      supramolecular structures using atomic force microscopy
                      (AFM) and X-ray scattering measurements. Surface wrinkling
                      is attributed to curving induced by accumulated stresses,
                      including residual stress from the sample preparation and
                      thermal stress during cooling. These stresses cause
                      large-scale material flow and corresponding changes in the
                      molecular conformations, potentially reducing the nucleation
                      barrier. This hypothesis is supported by the rapid crystal
                      growth observed following the spread of surface wrinkles.
                      Additionally, the surface curving of the polymer thin film
                      creates local minima of the free energy, facilitating
                      nucleation. The nuclei subsequently grow into crystalline
                      supramolecular structures by incorporating polymer molecules
                      from the melt. This mechanism highlights the role of
                      localized structural inhomogeneity in the early stages of
                      crystallization and provides new insights into structure
                      formation processes.},
      cin          = {DOOR ; HAS-User / FS-SMA},
      ddc          = {670},
      cid          = {I:(DE-H253)HAS-User-20120731 / I:(DE-H253)FS-SMA-20220811},
      pnm          = {632 - Materials – Quantum, Complex and Functional
                      Materials (POF4-632) / 6G3 - PETRA III (DESY) (POF4-6G3)},
      pid          = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G3},
      experiment   = {EXP:(DE-H253)P-P03-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001401093700001},
      doi          = {10.1007/s10118-025-3264-3},
      url          = {https://bib-pubdb1.desy.de/record/625357},
}