Newly found works of C. P. E. Bach

Wade, Rachel W.

doi:10.1093/earlyj/xvi.4.523

Cited by 3 publications

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“…While CVD has been used to deposit films of both Ru and RuO 2 , the identification of suitable ruthenium precursors, acceptable process methodologies, and film quality remain significant issues. The precursor systems studied to date have been almost exclusively based on cyclopentadiene − (or ethyl derivatives − ), carbonyl, − β-diketonate − ligands, or combinations of various mixed ligand systems. − Work has also been carried out using highly toxic RuO 4 species. , Typically, CVD depositions employ an oxidizing environment, which can prove to be problematic for some substrates such as Ta 39 and can lead to unacceptable levels of oxygen contamination in the film. Film purity has also been an issue due to carbon contamination from ligand decomposition products.…”

Section: Introductionmentioning

confidence: 99%

Reactive Deposition of Conformal Ruthenium Films from Supercritical Carbon Dioxide

O'Neil

Watkins

2006

Chem. Mater.

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High-purity Ru films were deposited from supercritical carbon dioxide onto the native oxide of Si wafers and onto Ta films supported on Si wafers using a batch, cold wall deposition reactor. Ru(0) and Ru(II) precursors were effective at substrate temperatures between 175 and 300 °C and pressures between 20 and 25 MPa. Hydrogen-assisted deposition of Ru from triruthenium dodecacarbonyl (Ru3(CO)12), tris(2,2,6,6-tetramethyl-heptane-3,5-dionato)ruthenium (Ru(tmhd)3), and bis(2,2,6,6-tetramethyl heptane-3,5-dionato)(1,5-cyclooctadiene)ruthenium (Ru(tmhd)2cod) proceeded readily to yield highly reflective thin films with resistivities as low as 22 μΩ-cm for a 33 nm thick film. H2-assisted depositions using ruthenocene were not successful on oxide surfaces at temperatures up to 300 °C, but proceeded readily on Au. Thermal depositions from (Ru3(CO)12) yielded reflective, but highly resistive, films. Excellent step coverage of high-purity films was achieved within 200 nm × 300 nm trenches on patterned tantalum-coated surfaces and within 2 μm × 30 μm and 300 nm × 1.2 μm via structures on etched silicon wafers by H2-assisted deposition using Ru3(CO)12 and Ru(tmhd)2cod, respectively. Analysis by X-ray diffraction and X-ray photoelectron spectroscopy indicated that the films were polycrystalline and free of oxygen contamination.

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Section: Introductionmentioning

confidence: 99%

Reactive Deposition of Conformal Ruthenium Films from Supercritical Carbon Dioxide

O'Neil

Watkins

2006

Chem. Mater.

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Anmerkungen zu Einigen Berliner Kopisten im Umkreis der Amalien-Bibliothek

Wollny¹

1998

Jahrbuch Des Staatlichen Instituts Für Musikforschung Preußischer Kulturbesitz

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C. P. E. Bach's Sonatas for Solo Flute

Miller¹

1993

Journal of Musicology

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JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact support@jstor.org. This content downloaded from 130.Considering the singular importance of the flute at the court of Frederick the Great (the King himself was an accomplished flutist who employed Quantz as his instructor) and C. P. E. Bach's position as Frederick's accompanist for over a quarter century, it seems at first quite surprising that Bach composed only eighteen sonatas for the instrument.' Explanations, however, have been readily proffered: the King's conservative musical taste, his unbridled admiration for Graun and Quantz, his less than enthusiastic reception of Emanuel Bach's experimental style. Bach's disdain for the King's musical talents-particularly Frederick's erratic rhythm-is no less legendary. Perhaps, then, the appropriate query is precisely the opposite: given Frederick's indifference to Bach's music and Bach's deprecation of the King's performance, what prompted the composition of so many flute sonatas?Why, too, are these works not concentrated exclusively in Bach's early years at the court, in the first bloom of a potentially harmonious relationship with one of Europe's most powerful monarchs? For indeed, Bach's Berlin flute sonatas span nearly his entire residency at Frederick's court (1738-68). Additional sonatas for the instrument pre-date his association with Frederick, and Bach's final work in this genre was composed in 1786, long after he had left Berlin for Hamburg. Although in numbers EmanuelBach's flute sonatas are dwarfed by his hundreds of keyboard sonatas and vast output of concerti, the excellence of the compositions themselves places them among his There are also four flute concerti (discussed below) and a few minor works. The concerti are listed in E. Eugene Helm, Thematic Catalogue of the Works of Carl Philipp Emanuel Bach (New Haven and London: Yale University Press, 1989), nos. 431, 435, 438, and 445. 203 This content downloaded from 130.237.29.138 on Fri, 01 Jan 2016 08:00:09 UTC All use subject to JSTOR Terms and Conditions 2 Most notably, works by Rachel Wade on the keyboard concerti, Darrell Berg on the keyboard sonatas, and Stephen Clark on the choral works. For a bibliography of secondary literature on C. P. E. Bach, see Stephen L. Clark, "C. P. E. Bach in Literature: A Bibliography," in C. P. E. Bach Studies, ed. Stephen L. Clark (Oxford: Clarendon Press, 1988), pp. 315-35. FLUTE SONATAShere; suffice it to note that study of C. P. E. Bach's flute sonatas supports his hypothesis. There remains, then, the G-minor sonata, BWV 1020, which even Marshall postulates to have been composed by Emanuel Bach. Nevertheless, serious questions about the authorship of this work persist, and the possibility that the sonata was composed by J. S. Bach cannot be wholly ...

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Newly found works of C. P. E. Bach

Cited by 3 publications

References 0 publications

Reactive Deposition of Conformal Ruthenium Films from Supercritical Carbon Dioxide

Reactive Deposition of Conformal Ruthenium Films from Supercritical Carbon Dioxide

Anmerkungen zu Einigen Berliner Kopisten im Umkreis der Amalien-Bibliothek

C. P. E. Bach's Sonatas for Solo Flute

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