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Showing 1 to 12 of 1262 entries
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Strongly spin-orbit coupled two-dimensional electron gas emerging near the surface of polar semiconductors.

Physical review letters

Sakano M, Bahramy MS, Katayama A, Shimojima T, Murakawa H, Kaneko Y, Malaeb W, Shin S, Ono K, Kumigashira H, Arita R, Nagaosa N, Hwang HY, Tokura Y, Ishizaka K.
PMID: 23521291
Phys Rev Lett. 2013 Mar 08;110(10):107204. doi: 10.1103/PhysRevLett.110.107204. Epub 2013 Mar 07.

We investigate the two-dimensional highly spin-polarized electron accumulation layers commonly appearing near the surface of n-type polar semiconductors BiTeX (X=I, Br, and Cl) by angular-resolved photoemission spectroscopy. Because of the polarity and the strong spin-orbit interaction built in the...

Charge-order domain walls with enhanced conductivity in a layered manganite.

Nature communications

Ma EY, Bryant B, Tokunaga Y, Aeppli G, Tokura Y, Shen ZX.
PMID: 26139185
Nat Commun. 2015 Jul 03;6:7595. doi: 10.1038/ncomms8595.

Interfaces and boundaries in condensed-matter systems often have electronic properties distinct from the bulk material and thus have become a topic of both fundamental scientific interest and technological importance. Here we identify, using microwave impedance microscopy, enhanced conductivity of...

RIFM fragrance ingredient safety assessment, 3-methyl-2-pentylcyclopentan-1-one, CAS Registry Number 13074-63-0.

Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association

Api AM, Belsito D, Botelho D, Browne D, Bruze M, Burton GA, Buschmann J, Dagli ML, Date M, Dekant W, Deodhar C, Francis M, Fryer AD, Joshi K, La Cava S, Lapczynski A, Liebler DC, O'Brien D, Parakhia R, Patel A, Penning TM, Ritacco G, Romine J, Salvito D, Schultz TW, Sipes IG, Thakkar Y, Theophilus EH, Tiethof AK, Tokura Y, Tsang S, Wahler J.
PMID: 28851608
Food Chem Toxicol. 2017 Dec;110:S447-S454. doi: 10.1016/j.fct.2017.08.035. Epub 2017 Aug 26.

No abstract available.

Evidence for Weakly Correlated Oxygen Holes in the Highest-T_{c} Cuprate Superconductor HgBa_{2}Ca_{2}Cu_{3}O_{8+δ}.

Physical review letters

Chainani A, Sicot M, Fagot-Revurat Y, Vasseur G, Granet J, Kierren B, Moreau L, Oura M, Yamamoto A, Tokura Y, Malterre D.
PMID: 28949729
Phys Rev Lett. 2017 Aug 04;119(5):057001. doi: 10.1103/PhysRevLett.119.057001. Epub 2017 Jul 31.

We study the electronic structure of HgBa_{2}Ca_{2}Cu_{3}O_{8+δ} (Hg1223; T_{c}=134  K) using photoemission spectroscopy (PES) and x-ray absorption spectroscopy (XAS). Resonant valence band PES across the O K edge and Cu L edge identifies correlation satellites originating in O 2p...

RIFM fragrance ingredient safety assessment, 1-methyl-3-methoxy-4-isopropylbenzene, CAS Registry Number 1076-56-8.

Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association

Api AM, Belsito D, Botelho D, Browne D, Bruze M, Burton GA, Buschmann J, Dagli ML, Date M, Dekant W, Deodhar C, Francis M, Fryer AD, Joshi K, La Cava S, Lapczynski A, Liebler DC, O'Brien D, Parakhia R, Patel A, Penning TM, Ritacco G, Romine J, Salvito D, Schultz TW, Sipes IG, Thakkar Y, Theophilus EH, Tiethof AK, Tokura Y, Tsang S, Wahler J.
PMID: 28864296
Food Chem Toxicol. 2017 Dec;110:S462-S470. doi: 10.1016/j.fct.2017.08.042. Epub 2017 Aug 31.

No abstract available.

Bottom-Up Fabrication of Nanopatterned Polymers on DNA Origami by In Situ Atom-Transfer Radical Polymerization.

Angewandte Chemie (International ed. in English)

Tokura Y, Jiang Y, Welle A, Stenzel MH, Krzemien KM, Michaelis J, Berger R, Barner-Kowollik C, Wu Y, Weil T.
PMID: 27058968
Angew Chem Int Ed Engl. 2016 May 04;55(19):5692-7. doi: 10.1002/anie.201511761. Epub 2016 Apr 05.

Bottom-up strategies to fabricate patterned polymers at the nanoscale represent an emerging field in the development of advanced nanodevices, such as biosensors, nanofluidics, and nanophotonics. DNA origami techniques provide access to distinct architectures of various sizes and shapes and...

Screening for hemostatic activities of popular Chinese medicinal herbs in vitro.

Journal of intercultural ethnopharmacology

Ohkura N, Yokouchi H, Mimura M, Nakamura R, Atsumi G.
PMID: 26401379
J Intercult Ethnopharmacol. 2015 Jan-Mar;4(1):19-23. doi: 10.5455/jice.20141128032845. Epub 2015 Jan 03.

AIMS: This study aimed to identify new hemostyptics by assessing the coagulation enhancing activity of 114 Chinese herbal extracts in vitro.METHODS: Herbs were boiled in water for 30 min, filtered and then lyophilized filtrates (10 mg/mL) were dissolved in...

Optical Magnetoelectric Resonance in a Polar Magnet (Fe,Zn)_{2}Mo_{3}O_{8} with Axion-Type Coupling.

Physical review letters

Kurumaji T, Takahashi Y, Fujioka J, Masuda R, Shishikura H, Ishiwata S, Tokura Y.
PMID: 28949678
Phys Rev Lett. 2017 Aug 18;119(7):077206. doi: 10.1103/PhysRevLett.119.077206. Epub 2017 Aug 18.

We report the polarization rotation of terahertz light resonant with the magnetoelectric (ME) spin excitation in the multiferroic (Fe,Zn)_{2}Mo_{3}O_{8}. This resonance reflects the frequency dispersion of the diagonal ME susceptibility (axion term), with which we quantitatively reproduce the thermal...

Gene expression in hepatomas.

Journal of gastroenterology and hepatology

Kokura K, Nakadai T, Kishimoto T, Makino Y, Muramatsu M, Tamura TA.
PMID: 28976702
J Gastroenterol Hepatol. 1998 Sep;13:S132-S141. doi: 10.1111/jgh.1998.13.s1.132.

Gene expression changes in accordance with cell growth, differentiation and carcinogenesis. To elucidate the molecular mechanisms for hepatocarcinogenesis as well as maintenance of normal hepatocytes, it is important to identify the genes that have altered expression with carcinogenesis. We...

Critical phenomena of emergent magnetic monopoles in a chiral magnet.

Nature communications

Kanazawa N, Nii Y, Zhang XX, Mishchenko AS, De Filippis G, Kagawa F, Iwasa Y, Nagaosa N, Tokura Y.
PMID: 27181484
Nat Commun. 2016 May 16;7:11622. doi: 10.1038/ncomms11622.

Second-order continuous phase transitions are characterized by symmetry breaking with order parameters. Topological orders of electrons, characterized by the topological index defined in momentum space, provide a distinct perspective for phase transitions, which are categorized as quantum phase transitions...

A top-down methodology for ultrafast tuning of nanosized zeolites.

Chemical communications (Cambridge, England)

Liu Z, Nomura N, Nishioka D, Hotta Y, Matsuo T, Oshima K, Yanaba Y, Yoshikawa T, Ohara K, Kohara S, Takewaki T, Okubo T, Wakihara T.
PMID: 26154841
Chem Commun (Camb). 2015 Aug 14;51(63):12567-70. doi: 10.1039/c5cc04542h.

We herein present a top-down methodology to prepare nanosized zeolites with tunable size by combining post-synthesis milling and fast recrystallization of several minutes (10 min for SSZ-13 and 5 min for AlPO4-5). A continuous-flow recrystallization process is demonstrated to...

Elastic stiffness of a Skyrmion crystal.

Physical review letters

Nii Y, Kikkawa A, Taguchi Y, Tokura Y, Iwasa Y.
PMID: 25615379
Phys Rev Lett. 2014 Dec 31;113(26):267203. doi: 10.1103/PhysRevLett.113.267203. Epub 2014 Dec 30.

We observe the elastic stiffness and ultrasonic absorption of a Skyrmion crystal in the chiral-lattice magnet MnSi. The Skyrmion crystal lattice exhibits a stiffness 3 orders of magnitude smaller than that of the atomic lattice of MnSi, being as...

Showing 1 to 12 of 1262 entries