Metal-Rich Compounds of the Early Transition Metals

在含或不含后过渡金属或后过渡金属的稀土金属硫系化合物中，将寻求新的视野和意想不到的化学和材料的合成探索和物理表征。三元凝聚的团簇相似乎特别稳定，强结合的后过渡金属作为早期金属标称团簇中的间隙。一些团簇-间隙组合也提供了对神秘的金属间化合物和纯金属系统中存在的杂质周围的局部相互作用的洞察。开创性地探索非周期性准晶及其晶体近似物的新的和决定性的例子，将利用合成和团簇化学方面的专业知识和经验。通过能带计算对它们的组成和电子稳定性的新见解将被发掘。新材料的物理性质将通过晶体结构研究、电子传导性和磁化率测量以及并行扩展休克尔或DFT(带)计算来定义。这些研究为所有级别的学生提供了关于固体化学中新材料、结构和性能研究前沿的高级培训。在过去的几年里，60%的研究人员是女性。这个项目在发现和开发新材料方面处于固态化学的前沿，利用创造性的合成探索来发现全新的、史无前例的固体化合物、结构和潜在的性质。这些富有洞察力的研究为化学中可能发生的事情提供了新的视野，后来又提供了关于性质和应用的新视野。目前的工作是以硫化物(硫、硒、碲)等高度还原的混合金属化合物为特色，以及新准晶相及其近亲的合成和结构。后者有序有序，但缺乏常规的周期性。成功的发现往往涉及高度专业化的技术、条件和奇异的容器，而这些并不广泛使用。因此，参与的本科生、研究生和博士后学生可以获得宝贵的培训、经验和对固态化学中的先进方法和概念的见解。近年来，其中60%是女性。受过这些新材料合成和表征领域培训的学生在就业市场上竞争非常有利，因为他们与电子和光子学等先进技术相关。

Synthetic explorations together with physical characterization will be pursued for new horizons and unexpected chemistry and materials among the chalcogenides of the lanthanide metals with or without either late transition or post-transition metals. The ternary condensed cluster phases appear to be especially stabilized by strongly bound, late transition metals as interstitials within nominal clusters of the early metals. Some of the cluster-interstitial combinations also afford insights into local interactions present around impurities in enigmatic intermetallic and pure metal systems. Pioneering explorations for new and defining examples of aperiodic quasicrystals and their crystalline approximants will utilize expertise and experience in synthesis and cluster chemistry. New insights into their compositions and electronic stabilities via band calculations will be exploited. Physical properties of the new materials will be defined by crystal structure studies, electronic conductivity, and magnetic susceptibility measurements coupled with parallel extended-Huckel or DFT (band) calculations. These studies afford advanced training for students at all levels on the frontiers of research in new materials, structures and properties in solid-state chemistry. Sixty percent of the researchers in the last few years have been women. %%%This program, at the forefront of solid-state chemistry in the discovery and development of new materials, utilizes creative synthetic explorations to uncover totally new and unprecedented solid compounds, structures and, potentially, properties. These insightful studies provide new horizons for what is possible in chemistry, and, later, regarding properties and applications. Present efforts feature highly reduced mixed metal compounds as chalcogenides (Sulfur, Selenium, Tellurium) as well as the syntheses and structures of new quasicrystalline phases and their close relatives. The latter are well ordered but lack conventional periodicity. Successful discoveries often involve highly specialized techniques, conditions, and exotic containers that are not widely employed. Participating undergraduate, graduate, and postdoctoral students thus get valuable training, experience, and insights into advanced methods and concepts in solid-state chemistry. Sixty percent of these in recent years have been women. Students trained in these areas of synthesis and characterization of new materials exhibiting new phenomena compete very favorably in the job market because of relevance to advanced technologies such as electronics and photonics.