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@PHDTHESIS{Xiao:826219,
      author       = {Xiao, Bin},
      title        = {{T}he crystal chemistry of novel thorium and uranium
                      compounds with oxo-anions from group {VI} of periodic table
                      ({S}, {S}e, {T}e, {C}r, {M}o and {W})},
      school       = {RWTH-Aachen},
      type         = {Dr.},
      reportid     = {FZJ-2017-00465},
      pages        = {179},
      year         = {2016},
      note         = {RWTH-Aachen, Diss., 2016},
      abstract     = {This dissertation focus on the synthesis, phase studies and
                      physicochemical properties of novel thorium and uranium
                      compounds with the Group VI (S, Se, Te, Cr, Mo, W) of the
                      Periodic Table. All the studied compounds are listed in
                      Table 2.2 from the page 15. I subdivided all the newly
                      synthesized compounds into several chapters according to
                      their structural and topological differences.First, for
                      thorium molybdates and tungstates, almost all of these
                      compounds are based on corner-sharing of ThOx (x = 6, 8 and
                      9) and MoO4 or WOx (x = 4, 5, 6) polyhedra. Interestingly,
                      all these compounds can be seen as derived from a pure
                      thorium molybdate compound (ThMo2O8) which was isolated from
                      high-temperature solid-state synthesis method. Therefore,
                      the polymorphs of this most basic ThMo2O8 compound is
                      firstly introduced (see Chapter 3.1 from page 18). The
                      thermodynamic, electronic and vibrational properties of all
                      investigated ThMo2O8 polymorphs were studied using ab initio
                      calculations. Then, two subfamilies of thorium molybdates,
                      that is, rubidium thorium molybdate and cesium thorium
                      molybdate and their thermal and vibrational behaviors were
                      discussed in details in Chapter 4.1 from page 37 and Chapter
                      4.2 from page 50, respectively.Moreover, some new insights
                      about the complexity of thorium tungstates were also
                      discussed (Chapter 4.3 from page 59). Some novel thorium
                      molybdate and chromate compounds synthesized from aqueous
                      condition are discussed in Chapter 5 from page 71.In the
                      Chapter 8.2.4, the stereochemistry for thorium and uranium
                      compounds are introduced, especially thorium selinites and
                      uranyl tellurites (see Chapter 6.1 from page 82), thorium
                      tellurites (Chapter 6.2 from page 93), and uranyl tellurites
                      (Chapter 6.3 from page 99 for sodium uranyl tellurium and
                      Chapter 6.4 from page 110 for potassium uranyl tellurium,
                      respectively). In the actinide tellurium systems, additional
                      MoO3/WO3 were also used as the flux for the high-temperature
                      synthesis method to decrease the crystal growth temperature.
                      This also gives an opportunity to allow Te4+ anion to
                      interact with anion of Mo6+ or W6+, leading to a more
                      complex mixed oxo-anion system, which is reported in Chapter
                      7 from page 122.Last, some attractive features of structural
                      chemistry of actinides, such as cation-cation interaction of
                      uranyl groups(Chapter 8.1 from page 136), and the first
                      thorium compounds containing alkaline-earth or rare earth
                      metals (Chapter 8.2 from page 145) are discussed in Chapter
                      8.},
      cin          = {IEK-6},
      cid          = {I:(DE-Juel1)IEK-6-20101013},
      pnm          = {161 - Nuclear Waste Management (POF3-161) / Helmholtz Young
                      Investigators Group: Energy (HGF-YIG-Energy) / HITEC -
                      Helmholtz Interdisciplinary Doctoral Training in Energy and
                      Climate Research (HITEC) (HITEC-20170406)},
      pid          = {G:(DE-HGF)POF3-161 / G:(DE-HGF)HGF-YIG-Energy /
                      G:(DE-Juel1)HITEC-20170406},
      typ          = {PUB:(DE-HGF)11},
      urn          = {urn:nbn:de:hbz:82-rwth-2016-012628},
      url          = {https://juser.fz-juelich.de/record/826219},
}