Search Results - "Hellberg, C S"
-
1
Nanoscale control of an interfacial metal-insulator transition at room temperature
Published in Nature materials (01-04-2008)“…Experimental and theoretical investigations have demonstrated that a quasi-two-dimensional electron gas (q-2DEG) can form at the interface between two…”
Get full text
Journal Article -
2
In‐situ measurements of lattice expansion related to defect generation during flash sintering
Published in Journal of the American Ceramic Society (01-11-2017)“…We report results from in‐situ measurements of lattice expansion during flash sintering of 3 mol% yttria stabilized tetragonal zirconia taken at the Advanced…”
Get full text
Journal Article -
3
A group-IV ferromagnetic semiconductor: MnxGe1-x
Published in Science (American Association for the Advancement of Science) (25-01-2002)“…We report on the epitaxial growth of a group-IV ferromagnetic semiconductor, Mn(x)Ge(1-x), in which the Curie temperature is found to increase linearly with…”
Get full text
Journal Article -
4
Optically mapping the electronic structure of coupled quantum dots
Published in Nature physics (01-04-2008)“…In a network of quantum dots embedded in a semiconductor structure, no two are the same, and so their individual and collective properties must be measured…”
Get full text
Journal Article -
5
High room temperature optical polarization due to spin-valley coupling in monolayer WS2
Published in AIP advances (01-05-2016)“…We prepare single-layer WS2 films such that the photoluminescence is from either the neutral exciton or the negatively charged trion. While the neutral exciton…”
Get full text
Journal Article -
6
Solid phase epitaxial growth of 3C–SiC thin film on Si and annihilation of nanopores
Published in Acta materialia (15-02-2014)“…The solid phase epitaxial growth of 3C–SiC, 2–5nm thick, on (001) Si by annealing 1–2nm carbon overlayers has been investigated by transmission electron…”
Get full text
Journal Article -
7
Photoluminescence spectroscopy of the molecular biexciton in vertically stacked InAs-GaAs quantum dot pairs
Published in Physical review letters (09-11-2007)“…We present photoluminescence studies of the molecular neutral biexciton-exciton spectra of individual vertically stacked InAs/GaAs quantum dot pairs. We tune…”
Get full text
Journal Article -
8
Density functional studies of single molecule magnets
Published in Polyhedron (15-07-2003)Get full text
Journal Article -
9
Sickle cell disease caused by heterozygosity for Hb S and novel LCR deletion: Report of two patients
Published in American journal of hematology (01-09-2009)“…The b-globin gene LCR is located approximately 6 kb upstream of the embryonic epsilon-globin gene, and is made up of five DNase I hypersensitive sites (HSs),…”
Get full text
Journal Article -
10
What superconducts in sulfur hydrides under pressure, and why
Published 31-12-2014“…Phys. Rev. B 91, 060511 (2015) The recent discovery of superconductivity at 190~K in highly compressed H$_{2}$S is spectacular not only because it sets a…”
Get full text
Journal Article -
11
Ab initio calculation of spin gap behavior in CaV4O9
Published in Journal of the Physical Society of Japan (01-11-1999)“…Second neighbor dominated exchange coupling in CaV4O9 has been obtained from ab initio density functional (DF) calculations. A DF-based self-consistent atomic…”
Get full text
Journal Article -
12
Hamiltonian of the V15 spin system from first-principles density-functional calculations
Published in Physical review letters (09-04-2001)“…We report first-principles all-electron density-functional-based studies of the electronic structure, magnetic ordering, and anisotropy for the V15 molecular…”
Get full text
Journal Article -
13
Electrical spin injection into the InAs∕GaAs wetting layer
Published in Applied physics letters (24-12-2007)“…We have used transport measurements, transmission electron microscopy, and polarization dependent photo- and electroluminescence to characterize the…”
Get full text
Journal Article -
14
Photoluminescence Spectroscopy of the Molecular Biexciton in Vertically Stacked Quantum Dot Pairs
Published 08-11-2007“…Phys. Rev. Lett. 99, 197402 (2007) We present photoluminescence studies of the molecular neutral biexciton-exciton spectra of individual vertically stacked…”
Get full text
Journal Article -
15
Domain ordering of strained 5 ML SrTi O 3 films on Si(001)
Published in Applied physics letters (30-05-2007)“…High resolution x-ray diffraction data indicate ordered square shaped coherent domains, ∼ 1200 Å in length, coexisting with longer, ∼ 9500 Å correlated regions…”
Get full text
Journal Article -
16
Electrical spin injection into the In As ∕ Ga As wetting layer
Published in Applied physics letters (26-12-2007)“…We have used transport measurements, transmission electron microscopy, and polarization dependent photo- and electroluminescence to characterize the In As ∕ Ga…”
Get full text
Journal Article -
17
Domain ordering of strained 5 ML SrTiO3 films on Si(001)
Published in Applied physics letters (28-05-2007)“…High resolution x-ray diffraction data indicate ordered square shaped coherent domains, ∼1200Å in length, coexisting with longer, ∼9500Å correlated regions in…”
Get full text
Journal Article -
18
Composite-fermion theory for the strongly correlated Hubbard model
Published in Physical review. B, Condensed matter (15-07-1991)Get full text
Journal Article -
19
Quantum-dot cluster-state computing with encoded qubits
Published in Physical review. A, Atomic, molecular, and optical physics (01-08-2005)“…A class of architectures is advanced for cluster-state quantum computation using quantum dots. These architectures include using single and multiple dots as…”
Get full text
Journal Article -
20
Entanglement generation of nearly random operators
Published in Physical review letters (15-07-2005)“…We study the entanglement generation of operators whose statistical properties approach those of random matrices but are restricted in some way. These include…”
Get full text
Journal Article