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Showing 1 to 12 of 220 entries
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Transdisciplinary case studies as a means of sustainability learning: Historical framework and theory

case studies

Scholz RW, Lang DJ, Wiek A.
GSID: aioHECqhiq0J
RW Scholz, DJ Lang, A Wiek, AI Walter… - International Journal of …, 2006 - emerald.com

… case study, as in holistic case studies, the starting and ending point is the case as a whole in its real‐world context. However, in contrast to holistic case studies, in embedded case studies the case is … Moreover,...

Many-Body Localization Implies that Eigenvectors are Matrix-Product States.

Physical review letters

Friesdorf M, Werner AH, Brown W, Scholz VB, Eisert J.
PMID: 25978216
Phys Rev Lett. 2015 May 01;114(17):170505. doi: 10.1103/PhysRevLett.114.170505. Epub 2015 May 01.

The phenomenon of many-body localization has received a lot of attention recently, both for its implications in condensed-matter physics of allowing systems to be an insulator even at nonzero temperature as well as in the context of the foundations...

Scanning electron microscopy with energy dispersive spectroscopy and Raman and infrared spectroscopic study of tilleyite Ca5Si2O7(CO3)(2-)Y.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy

Frost RL, López A, Scholz R, de Oliveira FA.
PMID: 25965517
Spectrochim Acta A Mol Biomol Spectrosc. 2015 Oct 05;149:333-7. doi: 10.1016/j.saa.2015.04.015. Epub 2015 Apr 23.

The mineral tilleyite-Y, a carbonate-silicate of calcium, has been studied by scanning electron microscopy with chemical analysis using energy dispersive spectroscopy (EDX) and Raman and infrared spectroscopy. Multiple carbonate stretching modes are observed and support the concept of non-equivalent...

An SEM-EDX and Raman spectroscopic study of the fibrous arsenate mineral liskeardite and in comparison with other arsenates kaňkite, scorodite and yvonite.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy

Frost RL, Scholz R, Jirásek J, Belotti FM.
PMID: 26162345
Spectrochim Acta A Mol Biomol Spectrosc. 2015 Dec 05;151:566-75. doi: 10.1016/j.saa.2015.07.005. Epub 2015 Jul 03.

The mineral liskeardite, an arsenate mineral with major cations of iron and aluminium, has been studied by a combination of scanning electron microscopy with energy dispersive spectroscopy and Raman spectroscopy. The mineral shows a fibrous nature. Semi-quantitative chemical analysis...

Band structure engineering in organic semiconductors.

Science (New York, N.Y.)

Schwarze M, Tress W, Beyer B, Gao F, Scholz R, Poelking C, Ortstein K, Günther AA, Kasemann D, Andrienko D, Leo K.
PMID: 27313043
Science. 2016 Jun 17;352(6292):1446-9. doi: 10.1126/science.aaf0590.

A key breakthrough in modern electronics was the introduction of band structure engineering, the design of almost arbitrary electronic potential structures by alloying different semiconductors to continuously tune the band gap and band-edge energies. Implementation of this approach in...

Continuous variable quantum key distribution: finite-key analysis of composable security against coherent attacks.

Physical review letters

Furrer F, Franz T, Berta M, Leverrier A, Scholz VB, Tomamichel M, Werner RF.
PMID: 23005270
Phys Rev Lett. 2012 Sep 07;109(10):100502. doi: 10.1103/PhysRevLett.109.100502. Epub 2012 Sep 05.

We provide a security analysis for continuous variable quantum key distribution protocols based on the transmission of two-mode squeezed vacuum states measured via homodyne detection. We employ a version of the entropic uncertainty relation for smooth entropies to give...

Seismotectonics of mid-ocean ridge propagation in Hess Deep.

Science (New York, N.Y.)

Floyd JS, Tolstoy M, Mutter JC, Scholz CH.
PMID: 12459584
Science. 2002 Nov 29;298(5599):1765-8. doi: 10.1126/science.1077950.

Hydroacoustic data from the eastern equatorial Pacific reveal low-magnitude seismicity concentrated at the propagating tip of the Galapagos Rise in Hess Deep. The patterns of seismicity and faulting are similar to those observed in the process zone of laboratory-scale...

Discovery of High Proper-Motion Ancient White Dwarfs: Nearby Massive Compact Halo Objects?.

The Astrophysical journal

Ibata R, Irwin M, Bienaymé O, Scholz R, Guibert J.
PMID: 10702128
Astrophys J. 2000 Mar 20;532(1):L41-L45. doi: 10.1086/312566.

We present the discovery and spectroscopic identification of two very high proper-motion ancient white dwarf stars, found in a systematic proper-motion survey. Their kinematics and apparent magnitude clearly indicate that they are halo members, while their optical spectra are...

Low lake stands in lakes Malawi and tanganyika, East Africa, delineated with multifold seismic data.

Science (New York, N.Y.)

Scholz CA, Rosendahl BR.
PMID: 17745221
Science. 1988 Jun 17;240(4859):1645-8. doi: 10.1126/science.240.4859.1645.

Seismic data reveal that water level in Lake Malawi, East Africa, was 250 to 500 meters lower before about 25,000 years ago. Water levels in Lake Tanganyika at that time were more than 600 meters below the current lake...

Theoretical investigation of excited states of C(3).

The Journal of chemical physics

Terentyev A, Scholz R, Schreiber M, Seifert G.
PMID: 15367001
J Chem Phys. 2004 Sep 22;121(12):5767-76. doi: 10.1063/1.1786291.

In this work, we present ab initio calculations for the potential energy surfaces of C(3) in different electronic configurations, including the singlet ground state [X (1)Sigma(g) (+),((1)A(1))], the triplet ground state [a (3)Pi(u),((3)B(1), (3)A(1))], and some higher excited states....

Reconstructing current distributions from biomagnetic measurements under large external noise disturbances.

IEEE transactions on medical imaging

Sekihara K, Scholz B, Bruder H.
PMID: 18218492
IEEE Trans Med Imaging. 1994;13(1):144-51. doi: 10.1109/42.276153.

External noise fields cause spatially coherent noise in the biomagnetic data measured by a multichannel magnetometer. The authors propose a method of incorporating this spatial coherence into current-density reconstruction. This method can reconstruct current distributions from biomagnetic measurements affected...

Manipulating feature sizes in Si-based grating structures by thermal oxidation.

Nanotechnology

Chen X, Ji R, Dai N, Scholz R, Steinhart M, Nielsch K, Gösele U.
PMID: 21828812
Nanotechnology. 2008 Aug 13;19(32):325305. doi: 10.1088/0957-4484/19/32/325305. Epub 2008 Jul 02.

We report a method for manipulating feature sizes in Si-based grating structures by thermal oxidation, which allows the realization of fin width/period ratios not directly accessible by laser interference lithography. Taking advantage of the expansion in volume associated with...

Showing 1 to 12 of 220 entries