Synthesis and characterization of aluminum diboride products using Al-27, B-11 NMR and ab initio studies
Turner, Christopher L.1; Koumoulis, Dimitrios2; Li, Gang2; Zujovic, Zoran3; Taylor, R. E.1; Kaner, Richard B.1,4,5
2018-03
Source PublicationJOURNAL OF MATERIALS SCIENCE
ISSN0022-2461
Volume53Issue:5Pages:3309-3322
Status已发表
DOI10.1007/s10853-017-1727-9
AbstractUnderstanding different bonding environments in various metal borides provides insight into their structures and physical properties. Polycrystalline aluminum diboride (AlB2) samples have been synthesized and compared both with a commercial sample and with the literature. One issue that arose is the relative ease with which boron-rich and aluminum deficient phases of aluminum borides can be presented in AlB2. Here, we report Al-27, B-11 nuclear magnetic resonance (NMR) spectroscopy and first-principles calculations on AlB2 in order to shed light on these different bonding environments at the atomic level and compare the structural and electronic properties of the products of different preparations. Along with the aforementioned, the present study also takes an in-depth look at the nature of the B-11 and Al-27 nuclear spin-lattice relaxation recovery data for the AlB2 and other superhard materials. The nuclear spin-lattice relaxation has been measured for a static sample and with magic-angle spinning. The combination of NMR and band structure calculations highlights the synthetic challenges with superhard materials.
Indexed BySCI
Language英语
Funding ProjectNational Science Foundation[DMR-9975975] ; National Science Foundation[DMR-1506860]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000417731300017
PublisherSPRINGER
WOS KeywordSPIN-LATTICE-RELAXATION ; NUCLEAR-MAGNETIC-RESONANCE ; TEMPERATURE-DEPENDENCE ; QUADRUPOLAR NUCLEI ; KNIGHT-SHIFT ; MAS ; SUPERCONDUCTIVITY ; SPECTROSCOPY ; THERMOMETER ; EXCITATION
Original Document TypeArticle
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttps://kms.shanghaitech.edu.cn/handle/2MSLDSTB/14305
Collection物质科学与技术学院_PI研究组_Dimitrios Koumoulis组
物质科学与技术学院_PI研究组_李刚组
Corresponding AuthorKoumoulis, Dimitrios; Taylor, R. E.
Affiliation1.Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USA
2.ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China
3.Univ Auckland, Sch Chem Sci, NMR Ctr, Private Bag 92019, Auckland, New Zealand
4.Univ Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA
5.Univ Calif Los Angeles, Calif NanoSyst Inst, Los Angeles, CA 90095 USA
Corresponding Author AffilicationSchool of Physical Science and Technology
Recommended Citation
GB/T 7714
Turner, Christopher L.,Koumoulis, Dimitrios,Li, Gang,et al. Synthesis and characterization of aluminum diboride products using Al-27, B-11 NMR and ab initio studies[J]. JOURNAL OF MATERIALS SCIENCE,2018,53(5):3309-3322.
APA Turner, Christopher L.,Koumoulis, Dimitrios,Li, Gang,Zujovic, Zoran,Taylor, R. E.,&Kaner, Richard B..(2018).Synthesis and characterization of aluminum diboride products using Al-27, B-11 NMR and ab initio studies.JOURNAL OF MATERIALS SCIENCE,53(5),3309-3322.
MLA Turner, Christopher L.,et al."Synthesis and characterization of aluminum diboride products using Al-27, B-11 NMR and ab initio studies".JOURNAL OF MATERIALS SCIENCE 53.5(2018):3309-3322.
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