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@ARTICLE{MichalskaWalkowiak:906127,
      author       = {Michalska-Walkowiak, Joanna and Förster, Beate and
                      Hauschild, Stephan and Förster, Stephan},
      title        = {{B}istability, {R}emanence, {R}ead/write‐memory and
                      {L}ogic {G}ate {F}unction via {A} {S}timuli {R}esponsive
                      {P}olymer},
      journal      = {Advanced materials},
      volume       = {34},
      number       = {13},
      issn         = {0935-9648},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2022-01243},
      pages        = {2108833 -},
      year         = {2022},
      abstract     = {Stimuli-responsive materials change their state in response
                      to external triggers. Switching between different states
                      enables information to be written, stored, and read, if the
                      transition between the states exhibits hysteresis. Thermally
                      responsive polymers exhibit an intrinsic hysteresis for the
                      volume phase transition between the swollen and de-swollen
                      solution state. Here, it is shown that this hysteresis can
                      be used to realize bistability, remanence, and reversible
                      write/read information storage. This is demonstrated for the
                      simplest and most widely used thermoresponsive polymer,
                      poly(N-isopropylacrylamide) (PNIPAM), as well as for PNIPAM
                      block copolymers, which widens the hysteresis window. The
                      hysteresis is shown to be related to cluster domain
                      assembly/disassembly during the phase transition.
                      Information can be written thermally using a laser, or using
                      heated or cooled pen tips on a thin-film backscattering
                      display. The bistable state can additionally be switched by
                      pH, enabling an AND logic gate function. Furthermore, an
                      unusual memory state is discovered, where information is
                      visible in the hysteresis window and invisible at higher
                      temperatures, allowing encoded information to be hidden.
                      Since hysteresis is a very common intrinsic phenomenon for
                      responsive materials, this principle to encode and store
                      information is potentially applicable to a broad range of
                      responsive materials.},
      cin          = {ER-C-1 / JCNS-1},
      ddc          = {660},
      cid          = {I:(DE-Juel1)ER-C-1-20170209 / I:(DE-Juel1)JCNS-1-20110106},
      pnm          = {5351 - Platform for Correlative, In Situ and Operando
                      Characterization (POF4-535)},
      pid          = {G:(DE-HGF)POF4-5351},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:35040531},
      UT           = {WOS:000758579400001},
      doi          = {10.1002/adma.202108833},
      url          = {https://juser.fz-juelich.de/record/906127},
}