The fact that magnetite (Fe304) was already known in the Greek era as a peculiar mineral is indicative of the long history of transition metal oxides as useful materials. The discovery of high-temperature superconductivity in 1986 has renewed interest in transition metal oxides. High-temperature su perconductors are all cuprates. Why is it? To answer to this question, we must understand the electronic states in the cuprates. Transition metal oxides are also familiar as magnets. They might be found stuck on the door of your kitchen refrigerator. Magnetic materials are valuable not only as magnets but as electronics materials. Manganites have received special attention recently because of their extremely large magnetoresistance, an effect so large that it is called colossal magnetoresistance (CMR). What is the difference between high-temperature superconducting cuprates and CMR manganites? Elements with incomplete d shells in the periodic table are called tran sition elements. Among them, the following eight elements with the atomic numbers from 22 to 29, i. e. , Ti, V, Cr, Mn, Fe, Co, Ni and Cu are the most im portant. These elements make compounds with oxygen and present a variety of properties. High-temperature superconductivity and CMR are examples. Most of the textbooks on magnetism discuss the magnetic properties of transition metal oxides. However, when one studies magnetism using tradi tional textbooks, one finds that the transport properties are not introduced in the initial stages.
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
The fact that magnetite (Fe304) was already known in the Greek era as a peculiar mineral is indicative of the long history of transition metal oxides as useful materials. The discovery of high-temperature superconductivity in 1986 has renewed interest in transition metal oxides. High-temperature su perconductors are all cuprates. Why is it? To answer to this question, we must understand the electronic states in the cuprates. Transition metal oxides are also familiar as magnets. They might be found stuck on the door of your kitchen refrigerator. Magnetic materials are valuable not only as magnets but as electronics materials. Manganites have received special attention recently because of their extremely large magnetoresistance, an effect so large that it is called colossal magnetoresistance (CMR). What is the difference between high-temperature superconducting cuprates and CMR manganites? Elements with incomplete d shells in the periodic table are called tran sition elements. Among them, the following eight elements with the atomic numbers from 22 to 29, i. e. , Ti, V, Cr, Mn, Fe, Co, Ni and Cu are the most im portant. These elements make compounds with oxygen and present a variety of properties. High-temperature superconductivity and CMR are examples. Most of the textbooks on magnetism discuss the magnetic properties of transition metal oxides. However, when one studies magnetism using tradi tional textbooks, one finds that the transport properties are not introduced in the initial stages.
Kierkegaard has long been known as a philosopher and theologian, but his contributions to psychology, anthropology and sociology have also made an important impact on these fields. In many of the works of his complex authorship, Kierkegaard presents his intriguing and unique vision of the nature and mental life of human beings individually and collectively. The articles featured in the present volume explore the reception of Kierkegaard's thought in the social sciences. Of these fields Kierkegaard is perhaps best known in psychology, where The Concept of Anxiety and The Sickness unto Death have been the two most influential texts. With regard to the field of sociology, social criticism, or social theory, Kierkegaard's Literary Review of Two Ages has also been regarded as offering valuable insights about some important dynamics of modern society..
The remarkable lectures that Hegel gave in Berlin in the 1820s generated an exciting intellectual atmosphere which lasted for decades. From the 1830s, many students flocked to Berlin to study with people who had studied with Hegel, and both his original students, such as Feuerbach and Bauer, and later arrivals including Kierkegaard, Engels, Bakunin, and Marx, evolved into leading nineteenth-century thinkers. Jon Stewart's panoramic study of Hegel's deep influence upon the nineteenth century in turn reveals what that century contributed to the wider history of philosophy. It shows how Hegel's notions of 'alienation' and 'recognition' became the central motifs for the era's thinking; how these concepts spilled over into other fields – like religion, politics, literature, and drama; and how they created a cultural phenomenon so rich and pervasive that it can truly be called 'Hegel's century.' This book is required reading for historians of ideas as well as of philosophy.
This 400+ page book is an ADDENDUM to the main book (History of Hillsborough Town Lots 700+ pgs.) - adding more historical and town-lot deed information. This book contains more county history, including copies of the original petition to form the town of Corbinton (Hillsborough) which includes many original county residents. More deed records (modern) for town lots, many new plats and drawings to clarify several key town blocks and their respective development (division and subdivision). New information on the Margaret Lane Cemetery (black), special emphasis on 1854 town-expansion, and the Town Hall (Roulhac/Ruffin). New appendix sections for, County Fair, quarries, town-clock, brickyards, ordinaries and taverns, county formation, and town meeting minutes. Pictures of the town clock, and new information on the Market House. Also the Towns 1890s expansion is included (Lots 239-292). If you have and enjoy the main book, then this addendum is a must have companion. Updated December 2016.
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